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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 second-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

For information on NIPSCO’s recent rate case, click here.

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


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 1.7% percent of a residential customer’s typical bill as of June 2024. 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-Annual45557
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


Previous NIPSCO cases include:

  • Current fuel cost adjustment (Cause No. 38706 FAC-142)
  • Appleseed Solar/Templeton Wind projects (Cause No. 45887)
  • 2024-2026 Energy Efficiency Plan (Cause No. 45849)
  • Solar and Wind Purchase Agreements (Cause No. 45887)
  • Rate Case (Cause No. 45772)
  • Distributed generation tariff (Cause No. 45505)
  • Financing Request (Cause No. 45737)
  • Schahfer Generation Station subdocket (Cause No. 38706 FAC 130-S1)
  • 2021-2026 infrastructure plan (Cause No. 45557)
  • Energy efficiency plan (Cause No. 45456)
  • Renewable energy proposals (Various cause nos.)
  • COVID-19 investigation (Cause No. 45380)
  • 2017 Tax Cuts & Jobs Act investigation (Cause No. 45032)
  • Coal combustion residuals compliance project (Cause No.44872)

Sales Taxes

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