How much will solar panels produce in Las Vegas?

A 8 kWp system facing south at 35° tilt in Las Vegas produces about 15,557 kWh a year. In a weak year that is 13,043 kWh, in a good one 18,071 kWh — 1,945 kWh per kWp.

That’s about 148% of a typical home’s yearly use (10,500 kWh).

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Based on 2014–2023 satellite weather data

Production by month

05001,0001,5002,000JanJanuary: 8 kWp 1,061 kWh, range 853–1,269FebFebruary: 8 kWp 1,190 kWh, range 944–1,436MarMarch: 8 kWp 1,433 kWh, range 1,180–1,687AprApril: 8 kWp 1,481 kWh, range 1,232–1,729MayMay: 8 kWp 1,460 kWh, range 1,218–1,703JunJune: 8 kWp 1,375 kWh, range 1,153–1,598JulJuly: 8 kWp 1,343 kWh, range 1,109–1,578AugAugust: 8 kWp 1,384 kWh, range 1,147–1,621SepSeptember: 8 kWp 1,366 kWh, range 1,142–1,589OctOctober: 8 kWp 1,366 kWh, range 1,134–1,598NovNovember: 8 kWp 1,155 kWh, range 968–1,342DecDecember: 8 kWp 978 kWh, range 777–1,178

kWh per month

A typical day in April

The sunniest month in Las Vegas. Output peaks around 11:00 solar time, at about 6.1 kWh in the best hour.

0:006:0012:0018:0023:00 6.1 0

Month by month

Month Weak year, kWh Typical year, kWh Good year, kWh
January 853 1,061 1,269
February 944 1,190 1,436
March 1,180 1,433 1,687
April 1,232 1,481 1,729
May 1,218 1,460 1,703
June 1,153 1,375 1,598
July 1,109 1,343 1,578
August 1,147 1,384 1,621
September 1,142 1,366 1,589
October 1,134 1,366 1,598
November 968 1,155 1,342
December 777 978 1,178
Year 13,043 15,557 18,071

The months don’t add up exactly to the yearly figure, because each one is the typical value across many years.

Common questions

How much do solar panels produce in winter in Las Vegas?

From November to February the system produces about 4,384 kWh, which is 28% of the year. The weakest month (December) gives roughly 978 kWh.

Is an east-west roof worth it in Las Vegas?

An east-west system typically produces 10–25% less per kWp than one facing south, but spreads production more evenly through the day. The exact difference depends on tilt and shading.

Compare an east-west roof for Las Vegas

Ground mount or roof in Las Vegas?

A ground mount can be tilted and aimed freely, which can add some yield, but it costs more and needs space. Compare both for your own plot.

Check a ground-mounted system in Las Vegas

Your roof is not an average roof

Set your own tilt, direction, shading and inverter limit and get a range for your address.

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Climate data: Photovoltaic Geographical Information System (PVGIS) — European Commission, Joint Research Centre