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Best Solar Stocks to Buy Now (2026)

Top solar stocks in 2026 ranked by overall Zen Rating. "A" Rated stocks have returned an average of +32.52% per year, and are the best solar stocks to buy now. Learn More.

According to Zen Ratings, our proprietary rating system that evaluates 115 factors proven to drive growth in stocks and assigns each stock in our system an overall letter grade as well as 7 individual Component Grades for Value, Growth, Momentum, Sentiment, Safety, Financials, and proprietary AI algorithms, the 3 best solar energy stocks to buy right now are:

First Solar (NASDAQ:FSLR) is the #1 top solar stock out of 23 with a Zen Rating of B. Stocks with a rating of B have had an average return of +19.88% per year. Learn more.

The Component Grade breakdown for First Solar (NASDAQ:FSLR) is: Value: B, Growth: B, Momentum: C, Sentiment: C, Safety: D, Financials: C, and AI: C.

First Solar (NASDAQ:FSLR) has a Due Diligence Score of 64, which is 40 points higher than the solar industry average of 24.

FSLR passed 21 out of 33 due diligence checks and has strong fundamentals. First Solar has seen its stock return 46.48% over the past year, overperforming other solar stocks by 57 percentage points.

First Solar has an average 1 year price target of $273.83, an upside of 21.14% from First Solar's current stock price of $226.05.

First Solar stock has a consensus Strong Buy recommendation according to Wall Street analysts. Of the 15 analysts covering First Solar, 73.33% have issued a Strong Buy rating, 6.67% have issued a Buy, 13.33% have issued a hold, while 0% have issued a Sell rating, and 6.67% have issued a Strong Sell.

Array Technologies (NASDAQ:ARRY) is the #2 top solar stock out of 23 with a Zen Rating of B. Stocks with a rating of B have had an average return of +19.88% per year. Learn more.

The Component Grade breakdown for Array Technologies (NASDAQ:ARRY) is: Value: C, Growth: A, Momentum: B, Sentiment: C, Safety: C, Financials: C, and AI: C.

Array Technologies (NASDAQ:ARRY) has a Due Diligence Score of 16, which is -8 points lower than the solar industry average of 24. Although this number is below the industry average, our proven quant model rates ARRY as a "B".

ARRY passed 5 out of 33 due diligence checks and has weak fundamentals. Array Technologies has seen its stock return 70.55% over the past year, overperforming other solar stocks by 81 percentage points.

Array Technologies has an average 1 year price target of $11.27, a downside of -0.19% from Array Technologies's current stock price of $11.29.

Array Technologies stock has a consensus Buy recommendation according to Wall Street analysts. Of the 13 analysts covering Array Technologies, 46.15% have issued a Strong Buy rating, 15.38% have issued a Buy, 30.77% have issued a hold, while 7.69% have issued a Sell rating, and 0% have issued a Strong Sell.

Nextpower (NASDAQ:NXT) is the #3 top solar stock out of 23 with a Zen Rating of B. Stocks with a rating of B have had an average return of +19.88% per year. Learn more.

The Component Grade breakdown for Nextpower (NASDAQ:NXT) is: Value: C, Growth: C, Momentum: B, Sentiment: C, Safety: C, Financials: A, and AI: C.

Nextpower (NASDAQ:NXT) has a Due Diligence Score of 41, which is 17 points higher than the solar industry average of 24.

NXT passed 14 out of 33 due diligence checks and has strong fundamentals. Nextpower has seen its stock return 157.8% over the past year, overperforming other solar stocks by 168 percentage points.

Nextpower has an average 1 year price target of $110.29, a downside of -10.03% from Nextpower's current stock price of $122.59.

Nextpower stock has a consensus Strong Buy recommendation according to Wall Street analysts. Of the 17 analysts covering Nextpower, 76.47% have issued a Strong Buy rating, 11.76% have issued a Buy, 11.76% have issued a hold, while 0% have issued a Sell rating, and 0% have issued a Strong Sell.

33.33% of solar stocks rated by analysts are a strong buy right now. On average, analysts expect solar stocks to rise by 8.21% over the next year.

0% of solar stocks have a Zen Rating of A (Strong Buy), 25% of solar stocks are rated B (Buy), 62.5% are rated C (Hold), 6.25% are rated D (Sell), and 6.25% are rated F (Strong Sell).

Based on the Valuation rating, one of the 7 components of a stocks overall Zen Ratings grade, which evaluates factors including estimated earnings yield, earnings before interest and taxes/enterprise value, cash flow yield, free cash flow to price, and price-to-earnings growth (PEG ratio), the 3 most undervalued solar stocks right now are:

First Solar (NASDAQ:FSLR) is the most undervalued solar stock based on its Valuation Rating of B. Valuation is one of 7 Component Grades used to calculate the overall Zen Rating.

First Solar has a valuation score of 71, which is 51 points higher than the solar industry average of 20. It passed 5 out of 7 valuation due diligence checks.

First Solar's stock has gained 46.48% in the past year. It has overperformed other stocks in the solar industry by 57 percentage points.

Sunpower (NASDAQ:SPWR) is the second most undervalued solar stock based on its Valuation Rating of C. Valuation is one of 7 Component Grades used to calculate the overall Zen Rating.

Sunpower has a valuation score of 29, which is 9 points higher than the solar industry average of 20. It passed 2 out of 7 valuation due diligence checks.

Sunpower's stock has dropped -8.55% in the past year. It has overperformed other stocks in the solar industry by 1 percentage points.

Enphase Energy (NASDAQ:ENPH) is the third most undervalued solar stock based on its Valuation Rating of C. Valuation is one of 7 Component Grades used to calculate the overall Zen Rating.

Enphase Energy has a valuation score of 43, which is 23 points higher than the solar industry average of 20. It passed 3 out of 7 valuation due diligence checks.

Enphase Energy's stock has dropped -29.89% in the past year. It has underperformed other stocks in the solar industry by -20 percentage points.

Solar stocks were up 1.9% in the last day, and down -1.65% over the last week.

We couldn't find a catalyst for why solar stocks are up.