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Regulatory Matters (Tables)
 9 Months Ended
Sep. 30, 2020
Regulatory Assets and Liabilities Disclosure [Abstract]  
Schedule of Regulatory Programs
The following table describes the most recent vintage of our regulatory programs to recover infrastructure replacement and other federally-mandated compliance investments currently in rates and those pending commission approval:
(in millions)
CompanyProgramIncremental RevenueIncremental Capital InvestmentInvestment PeriodFiledStatusRates
Effective
Columbia of OhioIRP - 202032.9 234.4 1/19-12/19February 28, 2020Approved
April 22, 2020		May 2020
Columbia of OhioCEP - 202018.0 185.1 1/19-12/19February 28, 2020Approved
August 12, 2020		September 2020
NIPSCO - Gas
TDSIC 11(2)
(1.7)38.7 5/19-12/19February 25, 2020Approved
June 24, 2020		July 2020
NIPSCO - GasTDSIC 11.3 26.0 1/20-6/20August 25, 2020Order Expected
December 2020		January 2021
NIPSCO - Gas
FMCA 3(3)
0.3 43.0 4/19-9/19November 26, 2019Approved
March 31, 2020		April 2020
NIPSCO - Gas
FMCA 4(3)
1.6 43.2 10/19-3/20May 26, 2020Approved
September 23, 2020		October 2020
Columbia of VirginiaSAVE - 20203.8 50.0 1/20-12/20August 15, 2019Approved December 6, 2019January 2020
Columbia of VirginiaSAVE - 20215.2 46.4 1/21-12/21July 24, 2020Order Expected
November 2020		January 2021
Columbia of KentuckySMRP - 20204.2 40.4 1/20-12/20October 15, 2019Approved December 20, 2019January 2020
Columbia of KentuckySMRP - 20215.8 50.0 1/21-12/21October 15, 2020Order Expected
Q1 2021		Q1 2021
Columbia of MarylandSTRIDE - 20201.3 15.0 1/20-12/20January 29, 2020Approved
February 19, 2020		February 2020
Columbia of MarylandSTRIDE - 20211.3 16.9 1/21-12/21October 29, 2020Order Expected
December 2020		January 2021
NIPSCO - ElectricTDSIC - 628.1 131.1 12/18-6/19August 21, 2019Approved December 18, 2019January 2020
NIPSCO - Electric
TDSIC - 7(1)
13.0 122.3 7/19-7/20September 29, 2020Order Expected
January 2021		February 2021
NIPSCO - Electric
FMCA - 12(3)
1.6 4.7 3/19-8/19October 18, 2019Approved
January 29, 2020		February 2020
NIPSCO - Electric
FMCA - 13(3)(4)
(1.2)— 9/19-2/20April 15, 2020Approved
July 29, 2020		August 2020
Columbia of PennsylvaniaDSIC - Q1 20200.9 28.2 12/19-2/20April 27, 2020Approved
May 4, 2020		May 2020
Columbia of PennsylvaniaDSIC - Q2 20200.8 28.6 3/20-5/20June 19, 2020Approved
June 29, 2020		July 2020
Columbia of PennsylvaniaDSIC - Q3 20202.6 85.0 6/20-8/20September 18, 2020Approved
September 30, 2020		October 2020
(1)Incremental capital and revenue are net of amounts included in the step 2 rates.
(2)Incremental revenue is net of amounts included in the step 2 rates and reflects a more typical 6-month filing period.
(3)Incremental revenue is inclusive of tracker eligible operations and maintenance expense.
(4)No eligible capital investments were made during the investment period.
Rate Case Action
The following table describes current rate case actions as applicable in each of our jurisdictions net of tracker impacts:
(in millions)
CompanyRequested Incremental RevenueApproved or Settled Incremental RevenueFiledStatusRates
Effective
NIPSCO - Electric(1)
$21.4 $(53.5)October 31, 2018Approved
December 4, 2019		January 2020
Columbia of Pennsylvania$100.4 in processApril 24, 2020Order Expected
Q1 2021		January 2021
Columbia of Maryland(2)
$5.0 $2.0 May 15, 2020Order Expected
November 2020		December 2020
(1)Rates were implemented in two steps, with implementation of step 1 rates effective on January 2, 2020 and step 2 rates effective on March 2, 2020.
(2)On October 7, 2020, the Public Utility Law Judge issued a proposed order approving a settlement under which the parties to the case agreed upon the $2.0 million incremental revenue. The proposed order will become a final order on November 7, 2020, unless it is modified or reversed by the Maryland PSC.