Louisville’s electric utility
Xcel Energy (Public Service Company of Colorado) is the utility on the state’s territory map for Louisville. In practice that means your system is interconnected under its rules — it banks exported solar as kWh credits that offset later use one-for-one.
Territory maps are a starting point, not a guarantee — the name on your electric bill is the final word, and we confirm it before any design work.
Sun, snow and terrain in Louisville
At roughly 5,390 feet, Louisville sits on Colorado’s lower country, where open exposure makes shade rare but wind and hail are real design loads. Racking, attachment and panel selection matter more here than squeezing out the last percent of output.
Getting a solar permit in Louisville
Permits for solar in Louisville come from whichever office holds building and electrical authority for your address — the town, Boulder County, or, in many smaller Colorado jurisdictions, the State Electrical Board for electrical permits. We identify the right office and pull the permits as part of the job.
Where Louisville sits
Its population declined about 3.1% between 2020 and 2025 (21,243 → 20,581). It ranks #5 by population among the communities in Boulder County, and its nearest neighbors are Superior (3 mi), Lafayette (3 mi), Broomfield (5 mi).
Louisville is about 18 miles from our Denver office as the crow flies. That’s well within our regular service routes.
FAQ
Questions we hear
Is Louisville on Xcel Energy (Public Service Company of Colorado)?
Most likely: the state map places Louisville in Xcel Energy (Public Service Company of Colorado) territory. We double-check by address before any design.
What happens to extra solar power in Louisville?
Your utility, Xcel Energy (Public Service Company of Colorado), banks exported solar as kWh credits that offset later use one-for-one. That rule — more than sunshine — decides how to size a system here.
How much will panels produce in Louisville?
Well-placed Colorado arrays typically produce roughly 1,300–1,600 kWh per kW each year (NREL PVWatts). Enter your address in our Solar Studio for an hour-by-hour estimate at your exact location.
Will an installer actually come to Louisville?
Yes — we’re about 18 miles away in Denver and serve every county. It’s within our regular routes.