Verified St. Louis solar installation companies for solar panel installation, battery backup, and solar water heaters - serving Clayton, Kirkwood, Webster Groves, Chesterfield, Ballwin, University City and beyond.
Solar is a 25-year decision sold in a 45-minute pitch. The right installer shows real production estimates for YOUR roof, explains financing versus buying in plain math, and is licensed - not a lead reseller.
Brick century homes, real basements, and four hard seasons: St. Louis is a market where knowing old construction is the whole job. When you compare solar installation companies in St. Louis, ask every one of them the same three questions: are you licensed and insured for this exact work, who is actually showing up (your crew or a sub), and what does the warranty cover in writing.
Searching for solar installation companies near me in St. Louis? Everyone ranked below serves St. Louis and the surrounding neighborhoods, including Clayton, Kirkwood, Webster Groves, Chesterfield, Ballwin, University City. Check the address and service area on a listing before you call, because the closest one is not always the one a search engine puts first.
Based on Google ratings and review volume as of September 2026, the top rated solar installation companies in St. Louis are ECOcentrix, Unique Visions Solar Tinting, Dole Heating & Air Conditioning. See the live ranked list, ratings, and contact details on this page.
Every company ranked on this page serves St. Louis and the surrounding area, including Clayton, Kirkwood, Webster Groves, Chesterfield, Ballwin, University City. Open any listing for its address, phone number and service area, then call the two or three closest to you. Distance is worth checking yourself: the nearest solar installation company is not automatically the best one, so this page ranks on rating and review volume first and leaves proximity to you.
Solar is a 25-year decision sold in a 45-minute pitch. The right installer shows real production estimates for YOUR roof, explains financing versus buying in plain math, and is licensed - not a lead reseller.
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