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DERIVATIVE INSTRUMENTS (Tables) | 9 Months Ended
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Jun. 30, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Fair Value of Derivative Assets and Liabilities | The following table reflects the fair value of NJR's derivative assets and liabilities recognized on the Unaudited Condensed Consolidated Balance Sheets as of:
|  |  | Fair Value
|  | June 30, 2018 |  | September 30, 2017
(Thousands) | Balance Sheet Location | Asset Derivatives | Liability Derivatives | Asset Derivatives | Liability Derivatives
Derivatives not designated as hedging instruments: |  |  |  |  |  |  |  |
Natural Gas Distribution: |  |  |  |  |  |  |  |  |
Physical commodity contracts | Derivatives - current |  | $ | 57 |  |  | $ | 286 |  |  | $ | 151 |  |  | $ | 72 |
Financial commodity contracts | Derivatives - current |  | 323 |  |  | 117 |  |  | — |  |  | 1,149 |
Interest rate contracts | Derivatives - current |  | — |  |  | — |  |  | — |  |  | 8,467 |
Energy Services: |  |  |  |  |  |  |  |  |
Physical commodity contracts | Derivatives - current |  | 6,847 |  |  | 17,660 |  |  | 14,588 |  |  | 16,589 |
| Derivatives - noncurrent |  | 2,474 |  |  | 13,267 |  |  | 7,127 |  |  | 8,710 |
Financial commodity contracts | Derivatives - current |  | 15,728 |  |  | 25,151 |  |  | 15,302 |  |  | 20,267 |
| Derivatives - noncurrent |  | 9,324 |  |  | 8,163 |  |  | 2,033 |  |  | 2,620 |
Foreign currency contracts | Derivatives - current |  | — |  |  | 184 |  |  | 40 |  |  | — |
| Derivatives - noncurrent |  | — |  |  | 174 |  |  | 4 |  |  | — |
Home Services and Other: |  |  |  |  |  |  |  |  |
Interest rate contracts | Derivatives - current |  | 237 |  |  | — |  |  | — |  |  | — |
| Derivatives - noncurrent |  | 88 |  |  | — |  |  | — |  |  | — |
Total fair value of derivatives |  |  | $ | 35,078 |  |  | $ | 65,002 |  |  | $ | 39,245 |  |  | $ | 57,874 |
Offsetting Assets | The following table summarizes the reported gross amounts, the amounts that the Company has the right to offset but elects not to, financial collateral, as well as the net amounts the Company could present on the Unaudited Condensed Consolidated Balance Sheets but elects not to.
(Thousands) | Amounts Presented on Balance Sheets (1) | Offsetting Derivative Instruments (2) | Financial Collateral Received/Pledged (3) | Net Amounts (4)
As of June 30, 2018: |  |  |  |  |  |  |  |
Derivative assets: |  |  |  |  |  |  |  |
Energy Services |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 9,321 |  |  | $ | (3,461 | ) |  | $ | (200 | ) |  | $ | 5,660 |
Financial commodity contracts |  | 25,052 |  |  | (16,800 | ) |  | 360 |  |  | 8,612 |
Total Energy Services |  | $ | 34,373 |  |  | $ | (20,261 | ) |  | $ | 160 |  |  | $ | 14,272 |
Natural Gas Distribution |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 57 |  |  | $ | (6 | ) |  | $ | — |  |  | $ | 51 |
Financial commodity contracts |  | 323 |  |  | (117 | ) |  | — |  |  | 206 |
Total Natural Gas Distribution |  | $ | 380 |  |  | $ | (123 | ) |  | $ | — |  |  | $ | 257 |
Home Services and Other |  |  |  |  |  |  |  |
Interest rate contracts |  | $ | 325 |  |  | $ | — |  |  | $ | — |  |  | $ | 325 |
Total Home Services and Other |  | $ | 325 |  |  | $ | — |  |  | $ | — |  |  | $ | 325 |
Derivative liabilities: |  |  |  |  |  |  |  |
Energy Services |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 30,927 |  |  | $ | (3,461 | ) |  | $ | — |  |  | $ | 27,466 |
Financial commodity contracts |  | 33,314 |  |  | (16,800 | ) |  | (16,154 | ) |  | 360 |
Foreign currency contracts |  | 358 |  |  | — |  |  | — |  |  | 358 |
Total Energy Services |  | $ | 64,599 |  |  | $ | (20,261 | ) |  | $ | (16,154 | ) |  | $ | 28,184 |
Natural Gas Distribution |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 286 |  |  | $ | (6 | ) |  | $ | — |  |  | $ | 280 |
Financial commodity contracts |  | 117 |  |  | (117 | ) |  | 206 |  |  | 206 |
Total Natural Gas Distribution |  | $ | 403 |  |  | $ | (123 | ) |  | $ | 206 |  |  | $ | 486 |
As of September 30, 2017: |  |  |  |  |  |  |  |
Derivative assets: |  |  |  |  |  |  |  |
Energy Services |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 21,715 |  |  | $ | (2,173 | ) |  | $ | (200 | ) |  | $ | 19,342 |
Financial commodity contracts |  | 17,335 |  |  | (14,121 | ) |  | — |  |  | 3,214 |
Foreign currency contracts |  | 44 |  |  | — |  |  | — |  |  | 44 |
Total Energy Services |  | $ | 39,094 |  |  | $ | (16,294 | ) |  | $ | (200 | ) |  | $ | 22,600 |
Natural Gas Distribution |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 151 |  |  | $ | (20 | ) |  | $ | — |  |  | $ | 131 |
Total Natural Gas Distribution |  | $ | 151 |  |  | $ | (20 | ) |  | $ | — |  |  | $ | 131 |
Derivative liabilities: |  |  |  |  |  |  |  |
Energy Services |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 25,299 |  |  | $ | (2,173 | ) |  | $ | — |  |  | $ | 23,126 |
Financial commodity contracts |  | 22,887 |  |  | (14,121 | ) |  | (8,766 | ) |  | — |
Total Energy Services |  | $ | 48,186 |  |  | $ | (16,294 | ) |  | $ | (8,766 | ) |  | $ | 23,126 |
Natural Gas Distribution |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 72 |  |  | $ | (20 | ) |  | $ | — |  |  | $ | 52 |
Financial commodity contracts |  | 1,149 |  |  | — |  |  | (1,149 | ) |  | — |
Interest rate contracts |  | 8,467 |  |  | — |  |  | — |  |  | 8,467 |
Total Natural Gas Distribution |  | $ | 9,688 |  |  | $ | (20 | ) |  | $ | (1,149 | ) |  | $ | 8,519 |
(1) | Derivative assets and liabilities are presented on a gross basis on the balance sheet as the Company does not elect balance sheet offsetting under ASC 210-20.
(2) | Includes transactions with NAESB netting election, transactions held by FCMs with net margining and transactions with ISDA netting.
(3) | Financial collateral includes cash balances at FCMs as well as cash received from or pledged to other counterparties.
(4) | Net amounts represent presentation of derivative assets and liabilities if the Company were to elect balance sheet offsetting under ASC 210-20.
Offsetting Liabilities | The following table summarizes the reported gross amounts, the amounts that the Company has the right to offset but elects not to, financial collateral, as well as the net amounts the Company could present on the Unaudited Condensed Consolidated Balance Sheets but elects not to.
(Thousands) | Amounts Presented on Balance Sheets (1) | Offsetting Derivative Instruments (2) | Financial Collateral Received/Pledged (3) | Net Amounts (4)
As of June 30, 2018: |  |  |  |  |  |  |  |
Derivative assets: |  |  |  |  |  |  |  |
Energy Services |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 9,321 |  |  | $ | (3,461 | ) |  | $ | (200 | ) |  | $ | 5,660 |
Financial commodity contracts |  | 25,052 |  |  | (16,800 | ) |  | 360 |  |  | 8,612 |
Total Energy Services |  | $ | 34,373 |  |  | $ | (20,261 | ) |  | $ | 160 |  |  | $ | 14,272 |
Natural Gas Distribution |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 57 |  |  | $ | (6 | ) |  | $ | — |  |  | $ | 51 |
Financial commodity contracts |  | 323 |  |  | (117 | ) |  | — |  |  | 206 |
Total Natural Gas Distribution |  | $ | 380 |  |  | $ | (123 | ) |  | $ | — |  |  | $ | 257 |
Home Services and Other |  |  |  |  |  |  |  |
Interest rate contracts |  | $ | 325 |  |  | $ | — |  |  | $ | — |  |  | $ | 325 |
Total Home Services and Other |  | $ | 325 |  |  | $ | — |  |  | $ | — |  |  | $ | 325 |
Derivative liabilities: |  |  |  |  |  |  |  |
Energy Services |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 30,927 |  |  | $ | (3,461 | ) |  | $ | — |  |  | $ | 27,466 |
Financial commodity contracts |  | 33,314 |  |  | (16,800 | ) |  | (16,154 | ) |  | 360 |
Foreign currency contracts |  | 358 |  |  | — |  |  | — |  |  | 358 |
Total Energy Services |  | $ | 64,599 |  |  | $ | (20,261 | ) |  | $ | (16,154 | ) |  | $ | 28,184 |
Natural Gas Distribution |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 286 |  |  | $ | (6 | ) |  | $ | — |  |  | $ | 280 |
Financial commodity contracts |  | 117 |  |  | (117 | ) |  | 206 |  |  | 206 |
Total Natural Gas Distribution |  | $ | 403 |  |  | $ | (123 | ) |  | $ | 206 |  |  | $ | 486 |
As of September 30, 2017: |  |  |  |  |  |  |  |
Derivative assets: |  |  |  |  |  |  |  |
Energy Services |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 21,715 |  |  | $ | (2,173 | ) |  | $ | (200 | ) |  | $ | 19,342 |
Financial commodity contracts |  | 17,335 |  |  | (14,121 | ) |  | — |  |  | 3,214 |
Foreign currency contracts |  | 44 |  |  | — |  |  | — |  |  | 44 |
Total Energy Services |  | $ | 39,094 |  |  | $ | (16,294 | ) |  | $ | (200 | ) |  | $ | 22,600 |
Natural Gas Distribution |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 151 |  |  | $ | (20 | ) |  | $ | — |  |  | $ | 131 |
Total Natural Gas Distribution |  | $ | 151 |  |  | $ | (20 | ) |  | $ | — |  |  | $ | 131 |
Derivative liabilities: |  |  |  |  |  |  |  |
Energy Services |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 25,299 |  |  | $ | (2,173 | ) |  | $ | — |  |  | $ | 23,126 |
Financial commodity contracts |  | 22,887 |  |  | (14,121 | ) |  | (8,766 | ) |  | — |
Total Energy Services |  | $ | 48,186 |  |  | $ | (16,294 | ) |  | $ | (8,766 | ) |  | $ | 23,126 |
Natural Gas Distribution |  |  |  |  |  |  |  |
Physical commodity contracts |  | $ | 72 |  |  | $ | (20 | ) |  | $ | — |  |  | $ | 52 |
Financial commodity contracts |  | 1,149 |  |  | — |  |  | (1,149 | ) |  | — |
Interest rate contracts |  | 8,467 |  |  | — |  |  | — |  |  | 8,467 |
Total Natural Gas Distribution |  | $ | 9,688 |  |  | $ | (20 | ) |  | $ | (1,149 | ) |  | $ | 8,519 |
(1) | Derivative assets and liabilities are presented on a gross basis on the balance sheet as the Company does not elect balance sheet offsetting under ASC 210-20.
(2) | Includes transactions with NAESB netting election, transactions held by FCMs with net margining and transactions with ISDA netting.
(3) | Financial collateral includes cash balances at FCMs as well as cash received from or pledged to other counterparties.
(4) | Net amounts represent presentation of derivative assets and liabilities if the Company were to elect balance sheet offsetting under ASC 210-20.
Effect of Derivative Instruments on Consolidated Statements of Operations | The following table reflects the effect of derivative instruments on the Unaudited Condensed Consolidated Statements of Operations as of:
(Thousands) | Location of gain (loss) recognized in income on derivatives | Amount of gain (loss) recognized in income on derivatives
|  | Three Months Ended | Nine Months Ended
|  | June 30, | June 30,
Derivatives not designated as hedging instruments: | 2018 |  | 2017 | 2018 |  | 2017
Energy Services: |  |  |  |  |  |  |
Physical commodity contracts | Operating revenues | $ | 3,046 |  |  | $ | 1,364 |  | $ | (7,696 | ) |  | $ | 8,089 |
Physical commodity contracts | Gas purchases | 1,008 |  |  | (1,131 | ) | (66,335 | ) |  | (13,912 | )
Financial commodity contracts | Gas purchases | (6,777 | ) |  | 22,004 |  | (19,007 | ) |  | 29,514 |
Foreign currency contracts | Gas purchases | (194 | ) |  | 9 |  | (457 | ) |  | (24 | )
Home Services and Other: |  |  |  |  |  |  |
Interest rate contracts | Interest expense | 165 |  |  | — |  | 286 |  |  | — |
Total unrealized and realized gains (losses) | $ | (2,752 | ) |  | $ | 22,246 |  | $ | (93,209 | ) |  | $ | 23,667 |
Effect of Derivative Instruments Designated as Cash Flow Hedges on OCI | The following table reflects the (losses) gains associated with NJNG's derivative instruments as of:
| Three Months Ended | Nine Months Ended
| June 30, | June 30,
(Thousands) | 2018 |  | 2017 | 2018 |  | 2017
Natural Gas Distribution: |  |  |  |  |  |
Physical commodity contracts | $ | (178 | ) |  | $ | (301 | ) | $ | (16,033 | ) |  | $ | (3,031 | )
Financial commodity contracts | 3,306 |  |  | (4,232 | ) | 1,730 |  |  | 6,528 |
Interest rate contracts | — |  |  | (4,203 | ) | 8,467 |  |  | 14,478 |
Total unrealized and realized (losses) gains | $ | 3,128 |  |  | $ | (8,736 | ) | $ | (5,836 | ) |  | $ | 17,975 |
Schedule of Outstanding Long (Short) Derivatives | NJNG and Energy Services had the following outstanding long (short) derivatives as of:
|  |  | Volume (Bcf)
|  |  | June 30, 2018 |  | September 30, 2017
Natural Gas Distribution | Futures |  | 25.8 |  |  | 18.2 |
| Physical |  | 31.6 |  |  | 32.1 |
Energy Services | Futures |  | (30.2 | ) |  | (16.4 | )
| Physical |  | 19.9 |  |  | (13.1 | )
Schedule of Broker Margin Accounts by Company | The balances are as follows:
(Thousands) | Balance Sheet Location | June 30, 2018 | September 30, 2017
Natural Gas Distribution | Broker margin - Current assets | $ | 1,845 |  | $ | 2,661 |
Energy Services | Broker margin - Current assets | $ | 51,296 |  | $ | 23,166 |
Summary of Gross Credit Exposures | The following is a summary of gross credit exposures grouped by investment and noninvestment grade counterparties, as of June 30, 2018. The amounts presented below have not been reduced by any collateral received or netting and exclude accounts receivable for NJNG retail natural gas sales and services and Clean Energy Ventures residential solar installations.
(Thousands) | Gross Credit Exposure
Investment grade |  | $ | 150,226 |  |
Noninvestment grade |  | 31,860 |  |
Internally rated investment grade |  | 26,536 |  |
Internally rated noninvestment grade |  | 13,965 |  |
Total |  | $ | 222,587 |  |

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