Updated: March 2026
Commercial rate guide for AES Indiana — Indianapolis and surrounding Marion County, as well as portions of adjacent counties in central Indiana. Serves approximately 500,000 customers.
General service rate (Rate GS) for small commercial. Large power rate (Rate LP) for accounts over 100 kW with demand charges. High load factor rate available for qualifying industrial accounts.
Rising
7.1% base rate increase effective February 2026, approved by Indiana Utility Reg
7.1% base rate increase effective February 2026, approved by Indiana Utility Regulatory Commission for grid modernization
Property managers with AES Indiana accounts frequently encounter these billing challenges:
Fuel adjustment charge (FAC) volatility tied to coal and gas markets
Demand ratchet provisions on Rate LP accounts
Infrastructure improvement charges as separate line items
Late payment penalties applied before bill due dates
The utility is the sole provider in this service territory.
Indiana is a regulated state. AES Indiana (formerly Indianapolis Power & Light) is a vertically integrated utility under AES Corporation.
Integrated resource plan under IURC review with proposed coal plant retirements and renewable replacements affecting future rates
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