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State Guides6 min readFebruary 1, 2026

Indiana Electricity Rates: Duke Energy Indiana vs AES Indiana Comparison

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Indiana Electricity Rates: Duke Energy Indiana vs AES Indiana Comparison

Indiana is served by several utilities, with Duke Energy Indiana and AES Indiana (formerly Indianapolis Power & Light) being the largest. Understanding their rate structures helps you manage your energy costs.

Duke Energy Indiana

Duke Energy Indiana serves approximately 840,000 customers across central and southern Indiana.

Duke Energy Indiana Rates

  • Basic Service Charge: ~$11/month
  • Energy Charge: Tiered pricing structure
  • Fuel Cost Adjustment: Variable based on coal and gas prices
  • Environmental Compliance: Costs for emissions controls

Average residential rate: approximately 13.5 cents per kWh

AES Indiana (Indianapolis)

AES Indiana serves approximately 500,000 customers in the Indianapolis metropolitan area.

AES Indiana Rates

  • Customer Charge: ~$17/month
  • Energy Charge: Per-kWh rate
  • Fuel Adjustment Clause: Monthly fuel cost recovery
  • Demand Side Management: Energy efficiency program costs

Average residential rate: approximately 14.5 cents per kWh

Why Indiana Rates Are Relatively Low

Indiana benefits from:

  1. Abundant coal resources historically keeping fuel costs low
  2. Growing wind energy reducing fuel cost volatility
  3. Lower labor and land costs than coastal states
  4. Industrial base spreading infrastructure costs

Indiana Energy Assistance

  • Energy Assistance Program (EAP) through Community Action agencies
  • Universal Service Program for low-income customers
  • Winter Moratorium on disconnections
  • Utility company hardship programs

Comparing Your Options

While Indiana is a regulated market (you can't choose your supplier), you can:

  1. Optimize your rate plan - ask about time-of-use options
  2. Participate in demand response programs for bill credits
  3. Take advantage of rebates for efficient equipment
  4. Request budget billing for predictable payments

Tips for Indiana Residents

  1. Monitor fuel adjustment charges - they vary monthly
  2. Consider solar - Indiana has net metering up to 1 MW
  3. Weatherize your home - harsh winters drive up costs
  4. Compare your usage to similar homes using utility tools
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