Indiana Solar Guide 2026

Indiana offers moderate solar economics with Duke Energy serving major markets and reasonable installation costs supporting adoption.

Updated March 2026 · Sources: Duke Energy, DSIRE, EnergySage, NREL · Research by Dana Mercer
#21 solar state Moderate conditions
Avg install cost $2.90/W Before incentives · Q1 2026 · EnergySage
Electricity rate 13¢/kWh Statewide avg · EIA Jan 2026
Peak sun hrs/day 4.2 hrs State avg · NREL data
Typical payback 10-12 yrs After federal ITC
Solar rank #21 Installed capacity · SEIA 2025

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Indiana provides solid solar fundamentals: With 13¢/kWh electricity rates and 4.2 daily peak sun hours, the Hoosier State offers reasonable conditions for solar adoption. Duke Energy serves much of the state with net metering available.

For Indianapolis and Fort Wayne residents, solar systems typically pay for themselves in 10-12 years. Moderate electricity rates and installation costs create balanced solar economics.

Indiana solar incentives (2026)

Incentive Amount Status
Federal ITC 30% of system cost Active
Duke Energy Net Metering Full retail rate Active
Property Tax Exemption Not available None
Sales Tax Exemption Not available None

Indiana solar install costs (Q1 2026)

System size Gross cost After ITC Annual savings Payback
6 kW $17,400 $12,180 ~$1,100/yr ~11.1 years
8 kW $23,200 $16,240 ~$1,470/yr ~11.1 years

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