City of Longmont and solar
City of Longmont is a municipal utility serving about 41,483 homes in Colorado. Here's what its rates and export rules mean for solar: for a typical customer, solar is a close call.
- Average price (2026 est.)
- 13.9¢16% below Colorado average
- Typical bill
- $93674 kWh a month
- Exports credited
- RetailFull retail net metering
- Typical payback
- 14.7 yrs5.1 kW, cash
Export rules for City of Longmont customers
Full retail net metering (Colorado rule).
Colorado requires investor-owned utilities like Xcel Energy to credit solar exports at the full retail rate, with credits rolling over month to month indefinitely. Co-ops and large municipal utilities must also offer net metering, though their rules and size limits differ.
Solar for a typical City of Longmont home
| System | 5.1 kW (100% of 674 kWh/month) |
|---|---|
| Cost | $16,505 |
| First-year savings | $1,075 |
| Payback | 14.7 years |
| 25-year net | $15,109 |
Uses the utility's average price.
Solar adoption
- Homes with solar (2025)
- 1,070
- Share of customers
- 2.6%
- Residential solar capacity
- 8 MW
- Residential customers
- 41,483
EIA-861, 2025.
Questions about City of Longmont and solar
Does City of Longmont have net metering?
City of Longmont follows Colorado's rules: Colorado requires investor-owned utilities like Xcel Energy to credit solar exports at the full retail rate, with credits rolling over month to month indefinitely. Co-ops and large municipal utilities must also offer net metering, though their rules and size limits differ.
How much does electricity cost with City of Longmont?
Residential customers paid an average of 13.1¢ per kWh in 2025 (EIA), about 13.9¢ adjusted to 2026. The typical home uses 674 kWh a month, a bill of about $93.
Is solar worth it with City of Longmont?
For a typical customer, solar is a close call: a 5.1 kW system costing about $16,505 pays back in about 14.7 years, with $15,109 net over 25 years.
How many City of Longmont customers have solar?
About 1,070 homes had net-metered solar at the end of 2025, roughly 2.6% of residential customers (EIA-861).
Legal name: City of Longmont (EIA ID 11187). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026.