Lafayette city reference
Solar in Lafayette, checked against utility math.
A city-level guide for Boulder County homeowners comparing quotes, system size, incentive timing, and Xcel Energy billing assumptions.
- Reference ZIP
- 80026
- Utility
- Xcel Energy
- Focus
- Net metering + Solar*Rewards
Lafayette is a Boulder County city of about 30,300 residents east of Boulder along the US-287 corridor, served by Xcel Energy. Owner-occupied housing accounts for roughly 68 percent of homes, and the median home value is about $611,500 with a median year built of 1992 (US Census ACS 2022 5-year). A south-facing array produces an estimated 1,516 kWh per installed kW each year, so a 7 kW system would generate approximately 10,612 kWh annually (NREL/NLR PVWatts v8).
Local numbers
The Lafayette baseline
A 7 kW south-facing system in Lafayette produces about 10,600 kWh/year per NREL PVWatts. Pre-incentive install cost runs $18,900 to $21,000, with cash payback around 11 to 12 years before financing markup.
10,600 kWh/year
Annual production
PVWatts v8, 7 kW south-facing.
~$18,900 to $21,000
Net cash cost
After incentives, before financing.
11 to 12 years
Cash payback
No dealer-fee markup.
15 to 18 years
Financed payback
With typical dealer fees.
Diagnostic path
Check the Lafayette quote from four angles.
Start with fit, then pressure-test price, incentives, and installer risk before a homeowner signs.
- 01 Is it worth it? → Diagnostic: how to know if your Lafayette home is a good fit for solar, and what to verify before signing. Real production numbers, current rates, no inflated assumptions.
- 02 Typical cost and payback → Sized for a Lafayette median home, with Xcel Energy-adjusted production from NREL PVWatts and current Standard retail-rate net metering + Solar*Rewards production incentive rates.
- 03 Incentives → Solar*Rewards values plus Xcel Energy programs. Federal credit context after the December 2025 expiration.
- 04 How to pick an installer → Educational buyer's guide for Lafayette: red flags, what to verify, questions to ask before signing.
Utility context
The bill rules are local.
Most of Lafayette is served by Xcel Energy. Net metering, rate trajectory, and program timing differ by utility; the Colorado state hub covers the cross-utility picture.