City of Gillette and solar
City of Gillette is a municipal utility serving about 14,134 homes in Wyoming. Here's what its rates and export rules mean for solar: for a typical customer, solar is not worth it.
- Average price (2026 est.)
- 13.5¢3% below Wyoming average
- Typical bill
- $120891 kWh a month
- Exports credited
- RetailFull retail net metering
- Typical payback
- 16.2 yrs6.7 kW, cash
Export rules for City of Gillette customers
Full retail net metering (Wyoming rule).
Wyoming requires all utilities to offer net metering for systems up to 25 kW. Excess credits roll over at retail month to month, and anything left at the end of the year is paid at avoided cost.
Solar for a typical City of Gillette home
| System | 6.7 kW (90% of 891 kWh/month) |
|---|---|
| Cost | $20,250 |
| First-year savings | $1,299 |
| Payback | 16.2 years |
| 25-year net | $13,017 |
Uses the utility's average price.
Solar adoption
- Homes with solar (2025)
- 29
- Share of customers
- 0.2%
- Residential solar capacity
- 0 MW
- Residential customers
- 14,134
EIA-861, 2025.
Cities served
Questions about City of Gillette and solar
Does City of Gillette have net metering?
City of Gillette follows Wyoming's rules: Wyoming requires all utilities to offer net metering for systems up to 25 kW. Excess credits roll over at retail month to month, and anything left at the end of the year is paid at avoided cost.
How much does electricity cost with City of Gillette?
Residential customers paid an average of 12.9¢ per kWh in 2025 (EIA), about 13.5¢ adjusted to 2026. The typical home uses 891 kWh a month, a bill of about $120.
Is solar worth it with City of Gillette?
For a typical customer, solar is not worth it: a 6.7 kW system costing about $20,250 pays back in about 16.2 years, with $13,017 net over 25 years.
How many City of Gillette customers have solar?
About 29 homes had net-metered solar at the end of 2025, roughly 0.2% of residential customers (EIA-861).
Legal name: City of Gillette - (WY) (EIA ID 7222). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026.