Updated: March 2026
Commercial rate guide for DEI — Central and southern Indiana including Bloomington, Terre Haute, and portions of the Indianapolis suburbs. Serves approximately 870,000 customers across 69 counties.
General service rate (Rate GS) for small commercial. High voltage service (Rate HV) for large commercial with demand charges. Fuel cost adjustment and clean energy cost tracker applied monthly.
Rising
5.8% base rate increase effective January 2026, approved by Indiana URC for coal
5.8% base rate increase effective January 2026, approved by Indiana URC for coal-to-gas generation transition
Property managers with DEI accounts frequently encounter these billing challenges:
Fuel cost adjustment volatility as generation portfolio transitions from coal to gas
Clean energy cost tracker as a new rider on all accounts
Demand charges on Rate HV accounts during summer peaks
Environmental compliance riders increasing annually
The utility is the sole provider in this service territory.
Indiana is a fully regulated state. Duke Energy Indiana operates as a vertically integrated utility subsidiary of Duke Energy Corporation.
Clean energy transition tracker filing pending before Indiana URC for renewable investment cost recovery
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