Stem Review
Based on online research and 6 Stem reviews, Stem's overall score is 4.0 out of 5 stars. Stem's review score is based on Stem's customer ratings, its brand popularity, its price competitiveness, as well as the breadth and quality of features it offers to customers. The Stem review table below incorporates summarizes 6 Stem ratings. You can also compare Stem against popular alternatives like Palmetto, Signature Solar and Renogy. Or you can view the top 50 brands in similar categories, such as home & garden brands, home improvement and renewable energy stores.
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Stem Review: Stem Pros & Cons
Stem (stem.com) is a well-known solar power store which competes against other solar energy stores like Palmetto, Signature Solar, Renogy, Goal Zero and Anker SOLIX. Based on our in-depth Stem review, when compared to its competitors, Stem is a mid-range performing brand within its category. Read the full Stem.com review below for more details.
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- Products made in USA: Are each store products made in the USA? Does each store manufacture their products in the United States?
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Knoji has 6 Stem reviews and ratings as of August 19, 2026. Knoji editors and the Knoji shopper community have reviewed Stem and compared it against 827 top solar power brands, reviewing Stem based on product and store features. Knoji reviews and ranks Stem.com and other solar power stores based on how many features each offers and based on a 5-star rating scale. Based on these factors and 6 Stem reviews, Stem earns an overall score of 4.0 out of 5.0 points. Stem's review score also factors in its popularity, which is in the mid-range compared to competing .
