Sectors & IndustriesTechnologySolar

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:

Tigo Energy (NASDAQ:TYGO) 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 Tigo Energy (NASDAQ:TYGO) is: Value: C, Growth: B, Momentum: A, Sentiment: A, Safety: D, Financials: B, and AI: C.

Tigo Energy (NASDAQ:TYGO) has a Due Diligence Score of 33, which is 6 points higher than the solar industry average of 27.

TYGO passed 11 out of 33 due diligence checks and has average fundamentals. Tigo Energy has seen its stock return 347.62% over the past year, overperforming other solar stocks by 315 percentage points.

Sunation Energy (NASDAQ:SUNE) 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 Sunation Energy (NASDAQ:SUNE) is: Value: C, Growth: A, Momentum: C, Sentiment: C, Safety: C, Financials: B, and AI: D.

Sunation Energy (NASDAQ:SUNE) has a Due Diligence Score of 13, which is -14 points lower than the solar industry average of 27. Although this number is below the industry average, our proven quant model rates SUNE as a "B".

SUNE passed 5 out of 38 due diligence checks and has weak fundamentals. Sunation Energy has seen its stock lose -96.63% over the past year, underperforming other solar stocks by -130 percentage points.

Nextpower (NASDAQ:NXT) is the #3 top solar stock out of 23 with a Zen Rating of C. Stocks with a rating of C have had an average return of +7.53% per year. Learn more.

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

Nextpower (NASDAQ:NXT) has a Due Diligence Score of 44, which is 17 points higher than the solar industry average of 27.

NXT passed 15 out of 33 due diligence checks and has strong fundamentals. Nextpower has seen its stock return 186.07% over the past year, overperforming other solar stocks by 153 percentage points.

Nextpower has an average 1 year price target of $118.78, a downside of -1.46% from Nextpower's current stock price of $120.55.

Nextpower stock has a consensus Strong Buy recommendation according to Wall Street analysts. Of the 17 analysts covering Nextpower, 70.59% have issued a Strong Buy rating, 11.76% have issued a Buy, 17.65% have issued a hold, while 0% have issued a Sell rating, and 0% have issued a Strong Sell.

41.67% of solar stocks rated by analysts are a buy right now. On average, analysts expect solar stocks to rise by 16.63% over the next year.

0% of solar stocks have a Zen Rating of A (Strong Buy), 10% of solar stocks are rated B (Buy), 65% are rated C (Hold), 20% are rated D (Sell), and 5% 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 47 points higher than the solar industry average of 24. It passed 5 out of 7 valuation due diligence checks.

First Solar's stock has gained 56.02% in the past year. It has overperformed other stocks in the solar industry by 23 percentage points.

Toyo Co (NASDAQ:TOYO) is the second 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.

Toyo Co has a valuation score of 57, which is 33 points higher than the solar industry average of 24. It passed 4 out of 7 valuation due diligence checks.

Toyo Co's stock has gained 150.17% in the past year. It has overperformed other stocks in the solar industry by 117 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 57, which is 33 points higher than the solar industry average of 24. It passed 4 out of 7 valuation due diligence checks.

Enphase Energy's stock has dropped -39.07% in the past year. It has underperformed other stocks in the solar industry by -72 percentage points.

Solar stocks were up 6.67% in the last day, and down -0.33% over the last week.

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