Solar stocks plunge on Senate proposal to phase out tax credits by 2028

U.S. solar stocks sharply declined after a Senate panel proposed phasing out solar and wind tax credits by 2028, accelerating the sunset of incentives currently slated to begin in 2032. Enphase Energy and First Solar saw significant drops of 27.2% and 19.3%, respectively, while Sunrun and SolarEdge Technologies plunged even further, pressured by the proposed changes and existing headwinds like high interest rates and metering reforms in California. While analysts are skeptical that the bill will pass in its current form, the proposal has already negatively impacted market sentiment towards residential solar, with Citi strategists maintaining a 'sell' rating.

Analysis

U.S. solar stocks experienced a significant sell-off following a Senate panel's proposal to accelerate the phase-out of solar and wind tax credits, aiming for a complete termination by 2028. This legislative development led to sharp declines in key solar equities, with Enphase Energy (ENPH.O) falling 27.2%, First Solar (FSLR.O) dropping 19.3%, Sunrun (RUN.O) plunging 43%, and SolarEdge Technologies (SEDG.O) decreasing by 39.4%. The proposed bill, an amendment to President Trump's broader tax-and-spending initiative, suggests reducing these incentives to 60% of their current value by 2026, a more aggressive timeline than the existing law which initiates phase-out in 2032. Raymond James analyst Pavel Molchanov described these provisions as 'worse than the industries had hoped.' Despite the severe market reaction, analysts express skepticism regarding the bill's passage in its present form by the July 4 deadline, anticipating several months of negotiations and lobbying efforts. Citi strategists reiterated a 'sell' rating on residential solar, viewing the Senate proposal as only a marginal improvement over a restrictive House version. This legislative uncertainty exacerbates existing pressures on the solar sector, including weak U.S. residential demand attributed to high interest rates and adverse metering reforms in California. Over the past year, Sunrun shares have declined 27%, Enphase Energy has lost 63%, and the Invesco Solar ETF has fallen 22.8%. Conversely, the Senate proposal includes an extension of tax credits for hydro, nuclear, and geothermal energy through 2036, which saw a modest 1.2% gain in Nano Nuclear Energy (NNE.O) shares.

Key Decisions for Investors

• Investors should exercise heightened caution with solar sector investments, particularly companies like ENPH, FSLR, RUN, and SEDG, given the significant negative market reaction and the proposed accelerated termination of tax credits.
• Monitor legislative developments closely regarding the Senate's tax credit proposal, as its current form faces skepticism and potential amendments during House-Senate negotiations could materially alter the outlook for solar and wind incentives.
• Re-evaluate exposure to U.S. residential solar, considering the dual headwinds of potential policy changes and existing market challenges such as high interest rates and California's net metering reforms, which have already impacted companies like Sunrun and Enphase.
• Consider exploring opportunities or reallocating within the broader energy sector towards hydro, nuclear, and geothermal segments, which may benefit from proposed tax credit extensions through 2036, as indicated by the positive movement in NNE.O.