Great Lakes solar output surges while Southwest slumps in October weather shift

North American solar irradiance ran 0.8% above average in October, with the Great Lakes region recording a 14% surplus and record highs in Buffalo and Cleveland, while heavy rain and cloud cover pushed Southwest output 9% below normal.

First covered Nov 14, 2026 · 2:50 AM PT · 1 article

Great Lakes solar output surges while Southwest slumps in October weather shift — Image via pv-magazine.com

Coverage

6h PV Magazine Great Lakes irradiance surges as wet weather weighs on Southwest solar resource — In a new weekly update for pv magazine, Solcast , a DNV company, reports that North American solar irradiance was 0.8% above average in October 2026, with the…

More coverage from around the web

glerl.noaa.gov Section 4 HYDROMETEOROLOGY: CLIMATE AND HYDROLOGY OF THE GREAT LAKES

pv-magazine-usa.com Sunniest October on record for U.S. amid hurricane disruptions

13newsnow.com October to begin with a cold snap in the East and summerlike heat in the West

accuweather.com Dry, sunny weather for much of eastern US to extend into late October

aol.com August through October outlook looks cooler in the Great Lakes, but warm in the West - AOL

Appeared in: 2026-11-14 (#4)

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