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Regulatory Matters (Tables) | 12 Months Ended
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Dec. 31, 2022
Regulated Operations [Abstract] |
Summary of Utilities Rate Plans | The following tables contain a summary of the Utilities’ rate plans:
CECONY – Electric |  |  |  |  |  |
Effective period |  |  |  | January 2020 – December 2022 (a) |  | January 2023 – December 2025 (l)
Base rate changes |  |  |  | Yr. 1 – $113 million (b) Yr. 2 – $370 million (b) Yr. 3 – $326 million (b) |  | Yr. 1 – $442 million (d) Yr. 2 – $518 million (d) Yr. 3 – $382 million (d)
Amortizations to income of net regulatory (assets) and liabilities |  |  |  | Yr. 1 – $267 million (c) Yr. 2 – $269 million (c) Yr. 3 – $272 million (c) |  | Yr. 1 – $104 million (k) Yr. 2 – $49 million (k) Yr. 3 – $-205 million (k)
Other revenue sources |  |  |  | Retention of $75 million of annual transmission congestion revenues. Potential earnings adjustment mechanism incentives for energy efficiency and other potential incentives of up to: Yr. 1 - $69 million Yr. 2 - $74 million Yr. 3 - $79 million In 2020, 2021 and 2022, the company recorded $34 million, $64 million and $33 million primarily related to earnings adjustment mechanism incentives for energy efficiency, respectively. In 2022, the company recorded a positive incentive of $4 million. |  | Retention of $75 million of annual transmission congestion revenues. Potential earnings adjustment mechanism incentives for energy efficiency and other potential incentives of up to: Yr. 1 - $70 million Yr. 2 - $75 million Yr. 3 - $79 million
Revenue decoupling mechanisms |  |  |  | Continuation of reconciliation of actual to authorized electric delivery revenues. In 2020, 2021 and 2022, the company deferred for recovery from customers $242 million, $226 million and $90 million of revenues, respectively. |  | Continuation of reconciliation of actual to authorized electric delivery revenues.
Recoverable energy costs |  |  |  | Continuation of current rate recovery of purchased power and fuel costs. |  | Continuation of current rate recovery of purchased power and fuel costs.
Negative revenue adjustments |  |  |  | Potential charges if certain performance targets relating to service, reliability, safety and other matters are not met: Yr. 1 - $450 million Yr. 2 - $461 million Yr. 3 - $476 million In 2020, the company recorded negative revenue adjustments of $5 million. In 2021, the company did not record any negative revenue adjustments. In 2022, the company recorded negative revenue adjustments of $3 million. |  | Potential charges if certain performance targets relating to service, reliability, safety and other matters are not met: Yr. 1 - $516 million Yr. 2 - $557 million Yr. 3 - $597 million
Regulatory reconciliations |  |  |  | Continuation of reconciliation of expenses for pension and other postretirement benefits, variable-rate debt, major storms, property taxes (e), municipal infrastructure support costs (f), the impact of new laws and environmental site investigation and remediation to amounts reflected in rates (g). In 2020 and 2021, the company deferred $288 million and $191 million of net regulatory assets, respectively. In 2022, the company deferred $138 million of net regulatory liabilities. |  | Reconciliation of late payment charges (j) and expenses for uncollectibles, pension and other postretirement benefits, variable-rate debt, major storms, property taxes (e), municipal infrastructure support costs (f), the impact of new laws and environmental site investigation and remediation to amounts reflected in rates (g).
Net utility plant reconciliations |  |  |  | Target levels reflected in rates: Electric average net plant target excluding advanced metering infrastructure (AMI): Yr. 1 - $24,491 million Yr. 2 - $25,092 million Yr. 3 - $25,708 million AMI (h): Yr. 1 - $572 million Yr. 2 - $740 million Yr. 3 - $806 million In 2020, the company deferred $4.1 million as a regulatory asset. In 2021 and 2022, the company deferred $3.2 million and $1.8 million, as a regulatory liability, respectively. |  | Target levels reflected in rates: Electric average net plant target excluding advanced metering infrastructure (AMI) and Customer Service System (CSS) for Yr. 1: Yr. 1 - $27,847 million Yr. 2 - $29,884 million Yr. 3 - $31,026 million AMI (h): Yr. 1 - $744 million CSS: Yr. 1 - $11 million
Average rate base |  |  |  | Yr. 1 - $21,660 million Yr. 2 - $22,783 million Yr. 3 - $23,926 million |  | Yr. 1 - $26,095 million Yr. 2 - $27,925 million Yr. 3 - $29,362 million
Weighted average cost of capital (after-tax) |  |  |  | Yr. 1 to Yr. 3 – 6.61 percent |  | Yr. 1 - 6.75 percent Yr. 2 - 6.79 percent Yr. 3 - 6.85 percent
Authorized return on common equity |  |  |  | 8.8 percent |  | 9.25 percent
Actual return on common equity (i) (j) |  |  |  | Yr. 1 – 8.5 percent Yr. 2 – 8.03 percent Yr. 3 – 8.41 percent |  |
Earnings sharing |  |  |  | Most earnings above an annual earnings threshold of 9.3 percent are to be applied to reduce regulatory assets for environmental remediation and other costs accumulated in the rate year. In 2020, 2021 and 2022, the company had no earnings sharing above the threshold. A reserve of $4.3 million was recorded in 2021 related to a potential adjustment to the excess earnings sharing amount for 2016. |  | Most earnings above an annual earnings threshold of 9.75 percent are to be applied to reduce regulatory assets for environmental remediation and other costs accumulated in the rate year.
Cost of long-term debt |  |  |  | Yr. 1 to Yr. 3 – 4.63 percent |  | Yr. 1 – 4.46 percent Yr. 2 – 4.54 percent Yr. 3 – 4.64 percent
Common equity ratio |  |  |  | 48 percent |  | 48 percent
(a)In January 2020, the NYSPSC approved the October 2019 Joint Proposal for CECONY's electric rate plan for January 2020 through December 2022. If at the end of any semi-annual period ending June 30 and December 31, Con Edison’s investments in its non-utility businesses exceed 15 percent of its total consolidated revenues, assets or cash flow, or if the ratio of holding company debt to total consolidated debt rises above 20 percent, CECONY is required to notify the NYSPSC and submit a ring-fencing plan or a demonstration why additional ring-fencing measures (see Note U) are not necessary. (b)Base rates reflect recovery by the company of certain costs of its energy efficiency, demonstration projects, non-wire alternative projects (including the Brooklyn Queens demand management program), and off-peak electric vehicle charging programs (Yr. 1 - $206 million; Yr. 2 - $245 million; and Yr. 3 - $251 million) over a 10-year period, including the overall pre-tax rate of return on such costs. (c)Amounts reflect amortization of the 2018 tax savings under the federal Tax Cuts and Jobs Act of 2017 (TCJA) allocable to CECONY’s electric customers ($377 million) over a three-year period ($126 million annually), the protected portion of the regulatory liability for excess deferred income taxes allocable to CECONY’s electric customers ($1,663 million) over the remaining lives of the related assets ($49 million in Yr. 1, $50 million in Yr. 2, and $53 million in Yr. 3) and the unprotected portion of the net regulatory liability ($784 million) over five years ($157 million annually). Amounts also reflect amortization of the regulatory asset for deferred MTA power reliability costs ($238 million) over a five-year period ($48 million annually). (d)The electric base rate increases shown above will be implemented with increases of $457 million in Yr. 1; $457 million in Yr. 2; and $457 million in Yr. 3 in order to levelize the customer bill impact. New rates will be effective as of January 1, 2023. CECONY will begin billing customers at the new levelized rate once the Joint Proposal is approved by the NYSPSC. Any shortfall in revenues due to the timing of billing to customers will be collected throu gh a surcharge billed through 2024, includin g a carrying charge on the outstanding balance. Base rates reflect recovery by the company of certain costs of its energy efficiency, demonstration projects, non-wire alternative projects (including the Brooklyn Queens demand management program), and off-peak electric vehicle charging programs (Yr. 1 - $244 million; Yr. 2 - $237 million; and Yr. 3 - $281 million) over periods varying between seven and fifteen years, including the overall pre-tax rate of return on such costs. (e)Deferrals for property taxes are limited to 90 percent of the difference from amounts reflected in rates, subject to an annual maximum for the remaining difference of not more than a maximum number of basis points impact on return on common equity: reflected in the January 2020 - December 2022 rate plan Yr 1 - 10.0 basis points; Yr 2 - 7.5 basis points; and Yr 3 - 5.0 basis points; reflected in the January 2023 - December 2025 Yr 1 - 10.0 basis points; Yr 2 - 5.0 basis points; and Yr 3 - 5.0 basis points, (f)In general, if actual expenses for municipal infrastructure support (other than company labor) are below the amounts reflected in rates the company will defer the difference for credit to customers, and if the actual expenses are above the amount reflected in rates the company will defer for recovery from customers 80 percent of the difference subject to a maximum deferral, subject to certain conditions, of 15 percent of the amount reflected in the rate plans. (g)In addition, the NYSPSC staff continues its focused operations audit to investigate CECONY's income tax accounting. Any NYSPSC ordered adjustment to CECONY’s income tax accounting is expected to be refunded to or collected from customers, as determined by the NYSPSC. See "Other Regulatory Matters," below. (h)Reconciliation of net utility plant for AMI will be done on a combined basis for electric and gas. (i)Calculated in accordance with the earnings calculation method prescribed in the rate order. (j)In November 2021, the NYSPSC issued an order that allowed CECONY to recover $43 million of late payment charges and fees that were not billed for the year ended December 31, 2020. The recalculated return on equity for 2020 which reflects the recovery of these fees is 8.81 percent. (k)Amounts reflect amortization of the 2018 tax savings under the federal Tax Cuts and Jobs Act of 2017 (TCJA) allocable to CECONY’s electric customers ($256 million) over a two-year period ($128 million in Yr. 1 and Yr. 2), the protected portion of the regulatory liability for excess deferred income taxes allocable to CECONY’s electric customers ($1,512 million) over the remaining lives of the related assets ($34 million in Yr. 1, $63 million in Yr. 2, and $34 million in Yr. 3) and the unprotected portion of the net regulatory liability ($306 million) over two years ($153 million annually). Amounts also reflect amortization of the regulatory asset for deferred MTA power reliability costs ($93 million) over a three-year period ($31 million annually). (l)The February 2023 Joint Proposal is subject to NYSPSC approval.
CECONY – Gas |  |  |  |
Effective period |  | January 2020 – December 2022 (a) |  | January 2023 – December 2025 (l)
Base rate changes |  | Yr. 1 – $84 million (b) Yr. 2 – $122 million (b) Yr. 3 – $167 million (b) |  | Yr. 1 – $217 million (d) Yr. 2 – $173 million (d) Yr. 3 – $122 million (d)
Amortizations to income of net regulatory (assets) and liabilities |  | Yr. 1 – $45 million (c) Yr. 2 – $43 million (c) Yr. 3 – $10 million (c) |  | Yr. 1 – $31 million (k) Yr. 2 – $24 million (k) Yr. 3 – $(11) million (k)
Other revenue sources |  | Retention of annual revenues from non-firm customers of up to $65 million and 15 percent of any such revenues above $65 million. Potential incentives if performance targets related to gas leak backlog, leak prone pipe and service terminations are met: Yr. 1 – $20 million Yr. 2 – $22 million Yr. 3 – $25 million In 2020, 2021 and 2022, the company recorded $3 million, $26 million and $8 million of earnings adjustment mechanism incentives for energy efficiency, respectively. In 2020, 2021 and 2022, the company recorded positive incentives of $13 million, $7 million, and $9 million respectively. In 2021, the company reversed $6 million of positive incentives recorded in 2020 pursuant to an order issued by the NYSPSC in December 2021. |  | Retention of annual revenues from non-firm customers of up to $65 million and 15 percent of any such revenues above $65 million. Potential earnings adjusted mechanism incentives for energy efficiency and other potential incentives of up to: Yr. 1 - $18 million Yr. 2 - $20 million Yr. 3 - $21 million
Revenue decoupling mechanisms |  | Continuation of reconciliation of actual to authorized gas delivery revenues, modified to be calculated based upon revenue per customer class instead of revenue per customer. In 2020, 2021 and 2022, the company deferred for recovery from customers $27 million, $100 million and $141 million of revenues, respectively. |  | Continuation of reconciliation of actual to authorized gas delivery revenues, modified to be calculated based upon revenue per customer class instead of revenue per customer.
Recoverable energy costs |  | Continuation of current rate recovery of purchased gas costs. |  | Continuation of current rate recovery of purchased gas costs.
Negative revenue adjustments |  | Potential charges if performance targets relating to service, safety and other matters are not met: Yr. 1 – $81 million Yr. 2 – $88 million Yr. 3 – $96 million In 2020 and 2021, the company did not record any negative revenue adjustments. In 2022, the company recorded negative revenue adjustments of $8 million |  | Potential charges if performance targets relating to service, safety and other matters are not met: Yr. 1 - $107 million Yr. 2 - $119 million Yr. 3 - $130 million
Regulatory reconciliations |  | Continuation of reconciliation of expenses for pension and other postretirement benefits, variable-rate tax-exempt debt, major storms, property taxes (e), municipal infrastructure support costs (f), the impact of new laws and environmental site investigation and remediation to amounts reflected in rates (g). In 2020 and 2021, the company deferred $91 million and $14 million of net regulatory assets, respectively. In 2022, the company deferred $70 million of net regulatory liabilities. |  | Reconciliation of late payment charges (j) and expenses for uncollectibles, pension and other postretirement benefits, variable-rate debt, major storms, property taxes (e), municipal infrastructure support costs (f), the impact of new laws and environmental site investigation and remediation to amounts reflected in rates (g).
Net utility plant reconciliations |  | Target levels reflected in rates: Gas average net plant target excluding AMI: Yr. 1 – $8,108 million Yr. 2 – $8,808 million Yr. 3 – $9,510 million AMI (h): Yr. 1 – $142 million Yr. 2 – $183 million Yr. 3 – $211 million In 2020 and 2021, the company deferred $24.7 million and $26 million, as a regulatory liability, respectively. In 2022, the company deferred $10.8 million as a regulatory asset. |  | Target levels reflected in rates: Gas average net plant target excluding AMI and CSS for Yr. 1: Yr. 1 - $10,466 million Yr. 2 - $11,442 million Yr. 3 - $12,142 million AMI (h): Yr. 1 - $234 million CSS: Yr. 1 - $2 million
Average rate base |  | Yr. 1 – $7,171 million Yr. 2 – $7,911 million Yr. 3 – $8,622 million |  | Yr. 1 - $9,647 million Yr. 2 - $10,428 million Yr. 3 - $11,063 million
Weighted average cost of capital (after-tax) |  | Yr. 1 – Yr. 3 - 6.61 percent |  | Yr. 1 – 6.75 percent Yr. 2 – 6.79 percent Yr. 3 – 6.85 percent
Authorized return on common equity |  | 8.8 percent |  | 9.25 percent
Actual return on common equity (i) (j) |  | Yr. 1 – 8.4 percent Yr. 2 – 8.48 percent Yr. 3 – 8.93 percent |  |
Earnings sharing |  | Most earnings above an annual earnings threshold of 9.3 percent are to be applied to reduce regulatory assets for environmental remediation and other costs accumulated in the rate year. In 2020, 2021 and 2022, the company had no earnings above the threshold. |  | Most earnings above an annual earnings threshold of 9.75 percent are to be applied to reduce regulatory assets for environmental remediation and other costs accumulated in the rate year.
Cost of long-term debt |  | Yr. 1 – Yr. 3 - 4.63 percent |  | Yr. 1 – 4.46 percent Yr. 2 – 4.54 percent Yr. 3 – 4.64 percent
Common equity ratio |  | 48 percent |  | 48 percent
(a)In January 2020, the NYSPSC approved the October 2019 Joint Proposal for CECONY's gas rate plan for January 2020 through December 2022. If at the end of any semi-annual period ending June 30 and December 31, Con Edison’s investments in its non-utility businesses exceed 15 percent of its total consolidated revenues, assets or cash flow, or if the ratio of holding company debt to total consolidated debt rises above 20 percent, CECONY is required to notify the NYSPSC and submit a ring-fencing plan or a demonstration why additional ring-fencing measures (see Note U) are not necessary. (b)The gas base rate increases shown above will be implemented with increases of $47 million in Yr. 1; $176 million in Yr. 2; and $170 million in Yr. 3 in order to levelize customer bill impacts. Base rates reflect recovery by the company of certain costs of its energy efficiency program (Yr. 1 - $30 million; Yr. 2 - $37 million; and Yr. 3 - $40 million) over a ten-year period, including the overall pre-tax rate of return on such costs. (c) Amounts reflect amortization of t he remaining 2018 TCJA tax savings allocable to CECONY’s gas customers ($63 million) over a two year period ($32 million annually), the protected portion of the regulatory liability for excess deferred income taxes allocable to CECONY’s gas customers ($725 million) over the remaining lives of the related assets ($14 million in Yr. 1, $14 million in Yr. 2, and $12 million in Yr. 3) and the unprotected portion of the net regulatory liability ($107 million) over five years ($21 million annually) (d) The gas base rate increases shown above will be implemented with increases of $187 million in Yr. 1; $187 million in Yr. 2; and $187 million in Yr. 3 in order to levelize the customer bill impact. New rates will be effective as of January 1, 2023. CECONY will begin billing customers at the new levelized rate once the Joint Proposal is approved by the NYSPSC. Any shortfall in revenues due to the timing of billing to customers will be collected th rough a surcharge billed through 2025, including a carrying charge on the outstanding balance. Base rates reflect recovery by the company of certain costs of its energy efficiency programs (Yr. 1 - $45 million; Yr. 2 - $78 million; and Yr. 3 - $62 million) over a fifteen-year period, including the overall pre-tax rate of return on such costs. (e)-(i) See footnotes (e) - (i) to the table under “CECONY Electric,” above. (j) In November 2021, the NYSPSC issued an order that allowed CECONY to recover $7 million of late payment charges and fees that were not billed for the year ended December 31, 2020. The recalculated return on equity for 2020 which reflects the recovery of these fees is 8.56 percent. (k) Amounts reflect amortization of the 2018 tax savings under the federal Tax Cuts and Jobs Act of 2017 (TCJA) allocable to CECONY’s gas customers ($32 million) over a two-year period ($16 million in Yr. 1 and Yr. 2), the protected portion of the regulatory liability for excess deferred income taxes allocable to CECONY’s gas customers ($679 million) over the remaining lives of the related assets ($9 million in Yr. 1, $10 million in Yr. 2, and $10 million in Yr. 3) and the unprotected portion of the net regulatory liability ($42 million) over two years ($21 million annually). (l) The February 2023 Joint Proposal is subject to NYSPSC approval.
CECONY – Steam |  |  |  |
Effective period |  | January 2014 – December 2016 (a) |  |
Base rate changes |  | Yr. 1 – $(22.4) million (b) Yr. 2 – $19.8 million (b) Yr. 3 – $20.3 million (b) Yr. 4 – None Yr. 5 – None Yr. 6 – None Yr. 7 – None Yr. 8 – None |  |
Amortizations to income of net regulatory (assets) and liabilities |  | $37 million over three years |  |
Recoverable energy costs |  | Current rate recovery of purchased power and fuel costs. |  |
Negative revenue adjustments |  | Potential charges (up to $1 million annually) if certain steam performance targets are not met. In years 2014 through 2022, the company did not record any negative revenue adjustments. |  |
Cost reconciliations (c)(d) |  | In 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 and 2022, the company deferred $42 million of net regulatory liabilities, $17 million of net regulatory assets, $8 million and $14 million of net regulatory liabilities, $1 million of net regulatory assets, $8 million of net regulatory liabilities, $35 million of net regulatory assets, $32 million of net regulatory assets and $11 million of net regulatory assets, respectively. |  |
Net utility plant reconciliations |  | Target levels reflected in rates were: Production: Yr. 1 – $1,752 million Yr. 2 – $1,732 million Yr. 3 – $1,720 million Distribution: Yr. 1 – $6 million Yr. 2 – $11 million Yr. 3 – $25 million The company reduced its regulatory liability by $0 million in 2014 and immaterial amounts in 2015 and 2016 and no deferrals were recorded in 2017, 2018, 2019. In 2020 and 2021, the company deferred $2 million and $1 million, as a regulatory liability, respectively. In 2022, the company deferred $0.1 million as a regulatory asset. |  |
Average rate base |  | Yr. 1 – $1,511 million Yr. 2 – $1,547 million Yr. 3 – $1,604 million |  |
Weighted average cost of capital (after-tax) |  | Yr. 1 – 7.10 percent Yr. 2 – 7.13 percent Yr. 3 – 7.21 percent |  |
Authorized return on common equity |  | 9.3 percent |  |
Actual return on common equity (e) |  | Yr. 1 – 9.82 percent Yr. 2 – 10.88 percent Yr. 3 – 10.54 percent Yr. 4 – 9.51 percent Yr. 5 – 11.73 percent Yr. 6 – 10.45 percent Yr. 7 – 7.91 percent Yr. 8 – 5.99 percent Yr. 9 - 5.72 percent |  |
Earnings sharing |  | Weather normalized earnings above an annual earnings threshold of 9.9 percent are to be applied to reduce regulatory assets for environmental remediation and other costs. In 2014, the company had no earnings above the threshold. Actual earnings were $11.5 million and $7.8 million above the threshold in 2015 and 2016, respectively. In 2017, actual earnings were $8.5 million above the threshold, offset in part by a positive adjustment related to 2016 of $4 million. In 2018, actual earnings were $16.5 million above the threshold, and an additional $1.1 million related to 2017 was recorded. In 2019 actual earnings were $5 million above the threshold, offset in part by an adjustment related to 2018 of $2.3 million. In 2020, 2021 and 2022, the company had no earnings sharing above the threshold. Reserve adjustments of $0.4 million and $0.2 million were recorded in 2021 related to potential adjustment to the excess earnings sharing amounts for 2016 and 2018, respectively. |  |
Cost of long-term debt |  | Yr. 1 – 5.17 percent Yr. 2 – 5.23 percent Yr. 3 – 5.39 percent |  |
Common equity ratio |  | 48 percent |  |
(a)Rates determined pursuant to this rate plan continue in effect until a new rate plan is approved by the NYSPSC. (b)The impact of these base rate changes was deferred which resulted in an $8 million regulatory liability at December 31, 2016. (c)Deferrals for property taxes are limited to 90 percent of the difference from amounts reflected in rates, subject to an annual maximum for the remaining difference of not more than a 10 basis point impact on return on common equity. (d)In addition, the NYSPSC staff has commenced a focused operations audit to investigate CECONY’s income tax accounting. Any NYSPSC ordered adjustment to CECONY’s income tax accounting is expected to be refunded to or collected from customers, as determined by the NYSPSC. CECONY’s historical inadvertent understatement of its calculation of total federal income tax expense for ratemaking purposes has not been addressed in the current steam rate plan. See "Other Regulatory Matters," below. (e)Calculated in accordance with the earnings calculation method prescribed in the rate order.
O&R New York – Electric |  |  |  |
Effective period (a) |  | January 2019 – December 2021 |  | January 2022 – December 2024
Base rate changes |  | Yr. 1 – $13.4 million (b) Yr. 2 – $8.0 million (b) Yr. 3 – $5.8 million (b) |  | Yr. 1 – $4.9 million (i) Yr. 2 – $16.2 million (i) Yr. 3 – $23.1 million (i)
Amortizations to income of net regulatory (assets) and liabilities |  | Yr. 1 – $(1.5) million (c) Yr. 2 – $(1.5) million (c) Yr. 3 – $(1.5) million (c) |  | Yr. 1 – $11.8 million (j) Yr. 2 – $13.5 million (j) Yr. 3 – $15.2 million (j)
Other revenue sources |  | Potential earnings adjustment mechanism incentives for peak reduction, energy efficiency, Distributed Energy Resources utilization and other potential incentives of up to: Yr. 1 - $3.6 million Yr. 2 - $4.0 million Yr. 3 - $4.2 million Potential incentive if performance target related to customer service is met: $0.5 million annually. In 2019, 2020 and 2021, the company recorded $2.6 million, $1.9 million and $1.8 million of earnings adjustment mechanism incentives for energy efficiency, respectively. In 2019 and 2020, the company recorded $0.2 million and $0.5 million of incentives for customer service, respectively. In 2021, the company did not record incentives for customer service. In 2021, the company reversed the $0.5 million of incentives recorded in 2020 pursuant to the October 2021 Joint Proposal. |  | Potential earnings adjustment mechanism incentives for energy efficiency and other potential incentives of up to: Yr. 1 – $3.3 million Yr. 2 – $2.3 million Yr. 3 – $4.0 million In 2022, the company recorded $2.7 million, of earnings adjustment mechanism incentives for energy efficiency,
Revenue decoupling mechanisms |  | Continuation of reconciliation of actual to authorized electric delivery revenues. In 2019 and 2020, the company deferred $0.1 million and $6 million regulatory assets, respectively. In 2021, $10 million was deferred as regulatory liabilities. |  | Continuation of reconciliation of actual to authorized electric delivery revenues. In 2022, the company deferred $6.9 million regulatory liabilities.
Recoverable energy costs |  | Continuation of current rate recovery of purchased power costs. |  | Continuation of current rate recovery of purchased power and fuel costs.
Negative revenue adjustments |  | Potential charges if certain performance targets relating to service, reliability and other matters are not met: Yr. 1 - $4.4 million Yr. 2 - $4.4 million Yr. 3 - $4.5 million In 2019,2020 and 2021, the company did not record any negative revenue adjustments. |  | Potential charges if certain performance targets relating to service, reliability, safety and other matters are not met: Yr. 1 – $4.3 million Yr. 2 – $4.4 million Yr. 3 – $5.1 million In 2022, the company did not record any negative revenue adjustments.
Regulatory reconciliations |  | Reconciliation of expenses for pension and other postretirement benefits, environmental remediation costs, property taxes (d), energy efficiency program (e), major storms, the impact of new laws and certain other costs to amounts reflected in rates (f). In 2019, 2020 and 2021, the company deferred $4.3 million, $30.3 million and $24 million as net regulatory assets, respectively. |  | Reconciliation of late payment charges (l) and reconciliation of expenses for pension and other postretirement benefits, environmental remediation costs, property taxes (d), energy efficiency program (k), major storms, uncollectible expenses and certain other costs to amounts reflected in rates. In 2022, the company deferred $9.4 million as net regulatory liabilities.
Net utility plant reconciliations |  | Target levels reflected in rates were: Electric average net plant target excluding advanced metering infrastructure (AMI): Yr. 1 - $1,008 million Yr. 2 - $1,032 million Yr. 3 - $1,083 million AMI (g): Yr. 1 - $48 million Yr. 2 - $58 million Yr. 3 - $61 million The company increased regulatory asset by an immaterial amount in 2019, $0.4 million as a regulatory liability in 2020 and an immaterial amount as a regulatory liability in 2021. |  | Target levels reflected in rates: Electric average net plant target Yr. 1 – $1,175 million Yr. 2 – $1,198 million Yr. 3 – $1,304 million The company increased regulatory asset by an immaterial amount in 2022.
Average rate base |  | Yr. 1 – $878 million Yr. 2 – $906 million Yr. 3 – $948 million |  | Yr. 1 – $1,021 million Yr. 2 – $1,044 million Yr. 3 – $1,144 million
Weighted average cost of capital (after-tax) |  | Yr. 1 – 6.97 percent Yr. 2 – 6.96 percent Yr. 3 – 6.96 percent |  | Yr. 1 – 6.77 percent Yr. 2 – 6.73 percent Yr. 3 – 6.72 percent
Authorized return on common equity |  | 9.0 percent |  | 9.2 percent
Actual return on common equity (h) |  | Yr. 1 – 9.6 percent Yr. 2 – 8.76 percent Yr. 3 – 9.16 percent |  | Yr. 1 – 8.96 percent
Earnings sharing |  | Most earnings above an annual earnings threshold of 9.6 percent are to be applied to reduce regulatory assets for environmental remediation and other costs accumulated in the rate year. In 2019, 2020 and 2021, earnings did not exceed the earnings threshold. |  | Most earnings above an annual earnings threshold of 9.7 percent are to be applied to reduce regulatory assets for environmental remediation and other costs accumulated in the rate year. In 2022, earnings did not exceed the earnings threshold.
Cost of long-term debt |  | Yr. 1 – 5.17 percent Yr. 2 – 5.14 percent Yr. 3 – 5.14 percent |  | Yr. 1 – 4.58 percent Yr. 2 – 4.51 percent Yr. 3 – 4.49 percent
Common equity ratio |  | 48 percent |  | 48 percent
(a)If at the end of any year, Con Edison’s investments in its non-utility businesses exceed 15 percent of Con Edison’s total consolidated revenues, assets or cash flow, or if the ratio of holding company debt to total consolidated debt rises above 20 percent, O&R is required to notify the NYSPSC and submit a ring-fencing plan or a demonstration why additional ring-fencing measures (see Note U) are not necessary. (b)The electric base rate increases were implemented with increases of: Yr. 1 - $8.6 million; Yr. 2 - $12.1 million; and Yr. 3 - $12.2 million. (c)Reflects amortization of, among other things, the company’s net benefits under the TCJA prior to January 1, 2019, amortization of net regulatory liability for future income taxes and reduction of previously incurred regulatory assets for environmental remediation costs. Also, for electric, reflects amortization over a six year period of previously incurred incremental major storm costs. See "Other Regulatory Matters," below. (d)Deferrals for property taxes are limited to 90 percent of the difference from amounts reflected in rates, subject to an annual maximum for the remaining difference of not more than a maximum number of basis points impact on return on common equity: Yr. 1 - 10.0 basis points; Yr. 2 - 7.5 basis points; and Yr. 3 - 5.0 basis points. (e)Energy efficiency costs are expensed as incurred. Such costs are subject to a downward-only reconciliation over the terms of the electric and gas rate plans. The company will defer for the benefit of customers any cumulative shortfall over the terms of the electric and gas rate plans between actual expenditures and the levels provided in rates. (f)In addition, the NYSPSC staff has commenced a focused operations audit to investigate O&R’s income tax accounting. Any NYSPSC ordered adjustment to O&R’s income tax accounting is expected to be refunded to or collected from customers, as determined by the NYSPSC. See "Other Regulatory Matters," below. (g)Net plant reconciliation for AMI expenditures will be implemented for a single category of AMI capital expenditures that includes amounts allocated to both electric and gas customers. (h)Calculated in accordance with the earnings calculation method prescribed in the rate order. (i)The Joint Proposal recommends that these base rate changes may be implemented with increases of: Yr. 1 - $11.7 million; Yr. 2 - $11.7 million; and Yr. 3 - $11.7 million. (j)Reflects amortization of, among other things, previously incurred incremental deferred storm costs over a five-year period. See "Other Regulatory Matters," below (k)Energy efficiency costs are expensed as incurred. Such costs are subject to a cumulative reconciliation that is evenly distributed over the term of the rate plan subject to the caps set forth in the January 2020 NYSPSC New Efficiency New York (“NENY”) order. If the NYSPSC modifies O&R's NENY budgets during the rate term, such modifications will be reflected at the time of the cumulative reconciliations. (l)The rate plan includes certain COVID-19 provisions, such as: recovery of 2020 late payment charges over three years ($2.2 million); reconciliation of late payment charges to amounts reflected in rates for years 2021 through 2024, with full recovery/refund via surcharge/sur-credit once the annual variance equals or exceeds 5 basis points of return on equity; and reconciliation of write-offs of customer accounts receivable balances to amounts reflected in rates from January 1, 2020 through December 31, 2024, with full recovery/refund via surcharge/sur-credit once the annual variance equals or exceeds 5 basis points of return on equity.
O&R New York – Gas |  |  |  |
Effective period (a) |  | January 2019 – December 2021 |  | January 2022 – December 2024
Base rate changes |  | Yr. 1 – $(7.5) million (b) Yr. 2 – $3.6 million (b) Yr. 3 – $0.7 million (b) |  | Yr. 1 – $0.7 million (i) Yr. 2 – $7.4 million (i) Yr. 3 – $9.9 million (i)
Amortization to income of net regulatory (assets) and liabilities |  | Yr. 1 – $1.8 million (c) Yr. 2 – $1.8 million (c) Yr. 3 – $1.8 million (c) |  | Yr. 1 – $0.8 million Yr. 2 – $0.7 million Yr. 3 – $0.3 million
Other revenue sources |  | Continuation of retention of annual revenues from non-firm customers of up to $4.0 million, with variances to be shared 80 percent by customers and 20 percent by company. Potential earnings adjustment mechanism incentives of up to $0.3 million annually. Potential incentives if performance targets related to gas leak backlog, leak prone pipe, emergency response, damage prevention and customer service are met: Yr. 1 - $1.2 million; Yr. 2 - $1.3 million; and Yr. 3 - $1.3 million. In 2019, 2020 and 2021, the company recorded $0.5 million of earnings adjustment mechanism incentives for energy efficiency. In 2019, 2020 and 2021, the company recorded $0.7 million, $0.3 million and $0.2 million of positive incentives, respectively. In 2021, the company reversed $0.3 million of positive incentives recorded in 2020 pursuant to the October 2021 Joint Proposal. |  | Potential earnings adjustment mechanism incentives for energy efficiency and other potential incentives of up to: Yr. 1 - $0.2 million Yr. 2 - $0.2 million Yr. 3 - $0.4 million Potential positive rate adjustment for gas safety and performance of up to: Yr. 1 – $1.2 million Yr. 2 – $1.3 million Yr. 3 – $1.4 million In 2022, the company recorded $0.2 million of earnings adjustment mechanism incentives for energy efficiency. In 2022, the company recorded $0.2 million of positive incentives,
Revenue decoupling mechanisms |  | Continuation of reconciliation of actual to authorized gas delivery revenues. In 2019 and 2020, the company deferred $0.8 million and $0.5 million as regulatory assets, respectively. In 2021, $4 million was deferred as a regulatory liability. |  | Continuation of reconciliation of actual to authorized gas delivery revenues. In 2022, the company deferred $2.0 million as regulatory asset
Recoverable energy costs |  | Continuation of current rate recovery of purchased gas costs. |  | Continuation of current rate recovery of purchased gas costs.
Negative revenue adjustments |  | Potential charges if performance targets relating to service, safety and other matters are not met: Yr. 1 - $5.5 million; Yr. 2 - $5.7 million; and Yr. 3 - $6.0 million. In 2019, the company recorded a $0.2 million. In 2020 and 2021, the company recorded an immaterial amount of negative revenue adjustments. |  | Potential charges if performance targets relating to service, safety and other matters are not met: Yr. 1 – $6.3 million Yr. 2 – $6.7 million Yr. 3 – $7.3 million In 2022, the company recorded $0.1 million of negative revenue adjustments.
Regulatory reconciliations |  | Reconciliation of expenses for pension and other postretirement benefits, environmental remediation costs, property taxes (d), energy efficiency program (e), the impact of new laws and certain other costs to amounts reflected in rates (f). In 2019 and 2020, the company deferred $6 million as net regulatory liabilities, $1.8 million as net regulatory assets, respectively. In 2021 $8 million were deferred as regulatory assets. |  | Reconciliation of late payment charges (l) and reconciliation of expenses for pension and other postretirement benefits, environmental remediation costs, property taxes (j), energy efficiency program (k), major storms, uncollectible expenses and certain other costs to amounts reflected in rates. In 2022, the company deferred $3.4 million as net regulatory liabilities.
Net utility plant reconciliations |  | Target levels reflected in rates were: Gas average net plant target excluding AMI: Yr. 1 - $593 million Yr. 2 - $611 million Yr. 3 - $632 million AMI (g): Yr. 1 - $20 million Yr. 2 - $24 million Yr. 3 - $25 million In 2019, 2020 and 2021, the company deferred immaterial amounts as regulatory assets. |  | Target levels reflected in rates: Gas average net plant target Yr. 1 – $720 million Yr. 2 – $761 million Yr. 3 – $803 million In 2022, the company deferred immaterial amounts as regulatory assets.
Average rate base |  | Yr. 1 – $454 million Yr. 2 – $476 million Yr. 3 – $498 million |  | Yr. 1 – $566 million Yr. 2 – $607 million Yr. 3 – $694 million
Weighted average cost of capital (after-tax) |  | Yr. 1 – 6.97 percent Yr. 2 – 6.96 percent Yr. 3 – 6.96 percent |  | Yr. 1 – 6.77 percent Yr. 2 – 6.73 percent Yr. 3 – 6.72 percent
Authorized return on common equity |  | 9.0 percent |  | 9.2 percent
Actual return on common equity (h) |  | Yr. 1 – 8.90 percent Yr. 2 – 9.58 percent Yr. 3 – 10.11 percent |  | Yr. 1 - 10.01 percent
Earnings sharing |  | Most earnings above an annual earnings threshold of 9.6 percent are to be applied to reduce regulatory assets for environmental remediation and other costs accumulated in the rate year. In 2019 and 2020, earnings did not exceed the earnings threshold. In 2021, actual earnings were $1.7 million above the threshold. |  | Most earnings above an annual earnings threshold of 9.7 percent are to be applied to reduce regulatory assets for environmental remediation and other costs accumulated in the rate year. In 2022, actual earnings were $1.1 million above the threshold.
Cost of long-term debt |  | Yr. 1 – 5.17 percent Yr. 2 – 5.14 percent Yr. 3 – 5.14 percent |  | Yr. 1 – 4.58 percent Yr. 2 – 4.51 percent Yr. 3 – 4.49 percent
Common equity ratio |  | 48 percent |  | 48 percent
(a)If at the end of any year, Con Edison’s investments in its non-utility businesses exceed 15 percent of Con Edison’s total consolidated revenues, assets or cash flow, or if the ratio of holding company debt to total consolidated debt rises above 20 percent, O&R is required to notify the NYSPSC and submit a ring-fencing plan or a demonstration why additional ring-fencing measures (see Note U) are not necessary. (b)The gas base rate changes were implemented with changes of: Yr. 1 - $(5.9) million; Yr. 2 - $1.0 million; and Yr. 3 - $1.0 million. (c)-(h) See footnotes (c) - (h) to the table under “O&R New York - Electric,” above. (i) The Joint Proposal recommends that these base rate changes may be implemented with increases of: Yr. 1 – $4.4 million; Yr. 2 - $4.4 million; and Yr. 3 - $4.4 million. (j) Deferrals for property taxes are limited to 90 percent of the difference from amounts reflected in rates, subject to an annual maximum for the remaining difference of not more than a maximum number of basis points impact on return on common equity: Yr. 1 - 10.0 basis points; Yr. 2 - 7.5 basis points; and Yr. 3 - 5.0 basis points. (k) See footnote (k) to the table under "O&R New York - Electric," above. (l) The rate plan includes certain COVID-19 provisions, such as: recovery of 2020 late payment charges over three years ($0.6 million); reconciliation of late payment charges to amounts reflected in rates for years 2021 through 2024, with full recovery/refund via surcharge/sur-credit once the annual variance equals or exceeds 5 basis points of return on equity; and reconciliation of write-offs of customer accounts receivable balances to amounts reflected in rates from January 1, 2020 through December 31, 2024, with full recovery/refund via surcharge/sur-credit once the annual variance equals or exceeds 5 basis points of return on equity. n December 2021, the NJBPU approved an electric rate increase, effective January 1, 2022, of $9.65 million for RECO. The following table contains a summary of the terms of the distribution rate plans.
RECO |  |  |  |  |  |
Effective period |  | March 2017 – January 2020 |  | February 2020 – December 2021 |  | January 2022
Base rate changes |  | $1.7 million |  | $12 million |  | $9.65 million
Amortization to income of net regulatory (assets) and liabilities |  | $0.2 million over three years and continuation of $(25.6) million of deferred storm costs over four years which expired on July 31, 2018 (a) |  | $4.8 million over four years. |  | $0.2 million over three years and $9.2 million of deferred storm costs over a three-year period (excluding $2.4 million of costs for Tropical Storm Henri which will be deferred over a three year period in base rates) and continuation of $10 million over 3 years
COVID-19 costs |  |  |  |  |  | Recovery of RECO’s COVID-19 related expenditures will be addressed in a separate petition
Recoverable energy costs |  | Current rate recovery of purchased power costs. |  | Current rate recovery of purchased power costs. |  | Current rate recovery of purchased power costs.
Cost reconciliations |  | None |  | None |  | Reconciliation of uncollectible accounts, Demand Side Management and Clean Energy Program.
Average rate base |  | $178.7 million |  | $229.9 million |  | $262.8 million
Weighted average cost of capital (after-tax) |  | 7.47 percent |  | 7.11 percent |  | 7.08 percent
Authorized return on common equity |  | 9.6 percent |  | 9.5 percent |  | 9.6 percent
Actual return on common equity |  | Yr. 1 – 7.5 percent Yr. 2 – 5.7 percent |  | Yr. 1 – 5.4 percent Yr. 2 – 2.3 percent |  | Yr. 1 - 9.6 percent
Cost of long-term debt |  | 5.37 percent |  | 4.88 percent |  | 4.74 percent
Common equity ratio |  | 49.7 percent |  | 48.32 percent |  | 48.51 percent
(a)In January 2016, the NJBPU approved RECO’s plan to spend $15.7 million in capital over three years to harden its electric system against storms, the costs of which RECO, beginning in 2017, is collecting through a customer surcharge.
Schedule of Regulatory Assets | Regulatory assets and liabilities at December 31, 2022 and 2021 were comprised of the following items:
| Con Edison | CECONY
(Millions of Dollars) | 2022 | 2021 | 2022 | 2021
Regulatory assets |  |  |  |
Environmental remediation costs | $991 | $938 | $906 | $860
System peak reduction and energy efficiency programs (h) | 783 | 285 | 780 | 284
Revenue taxes | 436 | 395 | 417 | 378
Pension and other postretirement benefits deferrals | 279 | 496 | 240 | 435
COVID - 19 pandemic deferrals (f) | 292 | 282 | 288 | 277
Deferred storm costs (c) | 270 | 276 | 173 | 158
Property tax reconciliation (g) | 121 | 202 | 121 | 202
COVID - 19 arrears relief deferrals programs | 104 | — | 101 | —
Gas service line deferred costs | 99 | 100 | 99 | 100
MTA power reliability deferral (b) | 92 | 140 | 92 | 140
Unrecognized pension and other postretirement costs (a) | 78 | 128 | 78 | 110
Brooklyn Queens demand management program | 33 | 36 | 33 | 36
Deferred derivative losses - long term | 31 | 51 | 26 | 45
Electric vehicle make ready (j) | 33 | 8 | 30 | 7
Municipal infrastructure support costs | 29 | 44 | 29 | 44
Meadowlands heater odorization project | 27 | 29 | 27 | 29
Non-wire alternative projects | 22 | 23 | 22 | 23
Legacy meters | 20 | 2 | — |  | — |
Preferred stock redemption | 19 | 20 | 19 | 20
Unamortized loss on reacquired debt | 11 | 16 | 10 | 14
Recoverable Demonstration project costs | 17 | 16 | 16 | 15
Gate station upgrade project | 14 | 14 | 14 | 14
Other | 173 | 138 | 148 | 125
Regulatory assets – noncurrent | 3,974 | 3,639 | 3,669 | 3,316
Deferred derivative losses | 184 | 141 | 178 | 133
Recoverable energy costs | 121 | 65 | 108 | 55 |
Regulatory assets – current | 305 | 206 | 286 | 188
Total Regulatory Assets | $4,279 | $3,845 | $3,955 | $3,504
Regulatory liabilities |  |  |  |
Future income tax* | $1,753 | $1,984 | $1,616 | $1,840
Unrecognized pension and other postretirement costs | 1,638 | 32 | 1,536 |  | — |
Allowance for cost of removal less salvage (i) | 1,315 | 1,199 | 1,137 | 1,033
Net unbilled revenue deferrals | 204 | 209 | 204 | 209
Deferred derivative gains - long term | 145 | 61 | 130 | 55
Pension and other postretirement benefit deferrals | 144 | 102 | 98 | 55
2022 late payment charge deferral | 127 | — |  | 123 | — |
System benefit charge carrying charge | 73 | 70 | 69 | 63
Net proceeds from sale of property | 69 | 103 | 69 | 103
Sales and use tax refunds | 37 | 17 | 36 | 16
Property tax refunds | 35 | 35 | 35 | 35
BQDM and Demonstration project reconciliations | 23 | 25 | 21 | 22
Earnings sharing - electric, gas and steam | 13 | 13 | 10 | 10
COVID - 19 pandemic uncollectible reconciliation deferral | 12 | — |  | 12 | — |
Workers’ compensation | 11 | 8 | 11 | 8
Settlement of prudence proceeding (d) | 10 | 6 | 10 | 6
Energy efficiency portfolio standard unencumbered funds | 5 | 15 | 7 | 19 |
Settlement of gas proceedings (e) | — |  | 12 | — |  | 12
Other | 413 | 490 | 357 | 435
Regulatory liabilities – noncurrent | 6,027 | 4,381 | 5,481 | 3,921
Deferred derivative gains - short term | 311 | 142 | 287 | 132
Refundable energy costs | 34 | 32 | — |  | 2
Revenue decoupling mechanism | 29 | 11 |  | 21 |  | — |
Regulatory liabilities—current | 374 | 185 | 308 | 134
Total Regulatory Liabilities | $6,401 | $4,566 | $5,789 | $4,055
* See "Federal Income Tax" in Note A, "Other Regulatory Matters," above, and Note L.
Schedule of Regulatory Liabilities | Regulatory assets and liabilities at December 31, 2022 and 2021 were comprised of the following items:
| Con Edison | CECONY
(Millions of Dollars) | 2022 | 2021 | 2022 | 2021
Regulatory assets |  |  |  |
Environmental remediation costs | $991 | $938 | $906 | $860
System peak reduction and energy efficiency programs (h) | 783 | 285 | 780 | 284
Revenue taxes | 436 | 395 | 417 | 378
Pension and other postretirement benefits deferrals | 279 | 496 | 240 | 435
COVID - 19 pandemic deferrals (f) | 292 | 282 | 288 | 277
Deferred storm costs (c) | 270 | 276 | 173 | 158
Property tax reconciliation (g) | 121 | 202 | 121 | 202
COVID - 19 arrears relief deferrals programs | 104 | — | 101 | —
Gas service line deferred costs | 99 | 100 | 99 | 100
MTA power reliability deferral (b) | 92 | 140 | 92 | 140
Unrecognized pension and other postretirement costs (a) | 78 | 128 | 78 | 110
Brooklyn Queens demand management program | 33 | 36 | 33 | 36
Deferred derivative losses - long term | 31 | 51 | 26 | 45
Electric vehicle make ready (j) | 33 | 8 | 30 | 7
Municipal infrastructure support costs | 29 | 44 | 29 | 44
Meadowlands heater odorization project | 27 | 29 | 27 | 29
Non-wire alternative projects | 22 | 23 | 22 | 23
Legacy meters | 20 | 2 | — |  | — |
Preferred stock redemption | 19 | 20 | 19 | 20
Unamortized loss on reacquired debt | 11 | 16 | 10 | 14
Recoverable Demonstration project costs | 17 | 16 | 16 | 15
Gate station upgrade project | 14 | 14 | 14 | 14
Other | 173 | 138 | 148 | 125
Regulatory assets – noncurrent | 3,974 | 3,639 | 3,669 | 3,316
Deferred derivative losses | 184 | 141 | 178 | 133
Recoverable energy costs | 121 | 65 | 108 | 55 |
Regulatory assets – current | 305 | 206 | 286 | 188
Total Regulatory Assets | $4,279 | $3,845 | $3,955 | $3,504
Regulatory liabilities |  |  |  |
Future income tax* | $1,753 | $1,984 | $1,616 | $1,840
Unrecognized pension and other postretirement costs | 1,638 | 32 | 1,536 |  | — |
Allowance for cost of removal less salvage (i) | 1,315 | 1,199 | 1,137 | 1,033
Net unbilled revenue deferrals | 204 | 209 | 204 | 209
Deferred derivative gains - long term | 145 | 61 | 130 | 55
Pension and other postretirement benefit deferrals | 144 | 102 | 98 | 55
2022 late payment charge deferral | 127 | — |  | 123 | — |
System benefit charge carrying charge | 73 | 70 | 69 | 63
Net proceeds from sale of property | 69 | 103 | 69 | 103
Sales and use tax refunds | 37 | 17 | 36 | 16
Property tax refunds | 35 | 35 | 35 | 35
BQDM and Demonstration project reconciliations | 23 | 25 | 21 | 22
Earnings sharing - electric, gas and steam | 13 | 13 | 10 | 10
COVID - 19 pandemic uncollectible reconciliation deferral | 12 | — |  | 12 | — |
Workers’ compensation | 11 | 8 | 11 | 8
Settlement of prudence proceeding (d) | 10 | 6 | 10 | 6
Energy efficiency portfolio standard unencumbered funds | 5 | 15 | 7 | 19 |
Settlement of gas proceedings (e) | — |  | 12 | — |  | 12
Other | 413 | 490 | 357 | 435
Regulatory liabilities – noncurrent | 6,027 | 4,381 | 5,481 | 3,921
Deferred derivative gains - short term | 311 | 142 | 287 | 132
Refundable energy costs | 34 | 32 | — |  | 2
Revenue decoupling mechanism | 29 | 11 |  | 21 |  | — |
Regulatory liabilities—current | 374 | 185 | 308 | 134
Total Regulatory Liabilities | $6,401 | $4,566 | $5,789 | $4,055
* See "Federal Income Tax" in Note A, "Other Regulatory Matters," above, and Note L.
Schedule of Regulatory Assets Not Earning Return | At December 31, 2022 and 2021, regulatory assets for Con Edison and CECONY that did not earn a return consisted of the following items:Regulatory Assets Not Earning a Return*
| Con Edison | CECONY
(Millions of Dollars) | 2022 | 2021 | 2022 | 2021
Unrecognized pension and other postretirement costs | $78 | $128 | $78 | $110
Environmental remediation costs | 987 | 928 | 903 | 850
Revenue taxes | 414 | 375 | 397 | 359
Deferred derivative losses - long term | 31 | 51 | 26 | 45
COVID-19 deferral for uncollectible accounts receivable | 253 | 236 | 249 | 231
Other | 28 | 24 | 27 | 24
Deferred derivative losses - current | 184 | 141 | 178 | 134
Total | $1,975 | $1,883 | $1,858 | $1,753
*This table presents regulatory assets not earning a return for which no cash outlay has been made.

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