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NIPSCO Electric Rates

Pending cases for Northern Indiana Public Service Company’s (NIPSCO’s) electric utility include its:

In the most recent IURC survey of residential electric bills, NIPSCO's monthly bill for 1,000 kWh ranked third-highest among the utilities under Commission jurisdiction.

Base rates cover most infrastructure and operating/maintenance costs while rate adjustment “trackers,” as described below, allow for more frequent rate changes for specific costs as designated by law. The trackers were re-set when NIPSCO's current base rates were approved in 2019 and are still subject to adjustments every three, six, or 12 months.

Base Rates

Base rates made up about 87 percent of a typical NIPSCO residential electric bill as of July 2022.

OUCC testimony in NIPSCO’s pending rate case is due Jan. 20, 2023.

Current base rates for NIPSCO's electric utility were approved in 2019.

Trackers

In addition to base rates, Indiana electric utilities recover and credit separate, specific costs through rate adjustment mechanisms known as "trackers." Rate adjustments via trackers are reviewed by the OUCC and approved by the IURC on a quarterly, semi-annual or annual basis.

NIPSCO uses the following trackers, which comprised approximately 13 percent of a residential customer’s typical bill as of July 2022. All filings are available by entering the cause number in the IURC's Online Services Portal.

TrackerRecovers Costs forFrequencyIURC Cause No.
Fuel Adjustment Clause (FAC)Coal and other fuelsQuarterly38706
Transmission, Distribution & Storage System Improvement Charge (TDSIC)Projects in 7-year infrastructure planSemi-Annual44733
Demand Side Management (DSM)Energy efficiency programsAnnual43618
Resource Adequacy Adjustment (RA)Capacity resources needed for system reliabilitySemi-Annual44155
Regional Transmission Operator (RTO)Participation in Midcontinent Independent Transmission System Operator (MISO)Semi-Annual44156
Federally Mandated Cost Adjustment (FMCA)Critical infrastructure protectionSemi-Annual44340
Green Power Rider (GPR)

Program allowing customers to voluntarily buy renewable energy credits

Annual44198

Previous NIPSCO cases include:

Sales Taxes

The seven percent state sales tax applies to all Indiana electric utilities.

11-18-2022