Shares of Enphase Energy jumped in premarket trading following the release of its fourth-quarter results. The stock saw a 24% surge, prompting upgrades from analysts at BMO Capital and RBC Capital. These positive revisions signal growing confidence that the downturn in the residential solar market has bottomed out, a crucial development for investors.

The company reported quarterly revenue of $343.3 million, driven by strong demand in the U.S. ahead of the Section 25D tax credit expiration. Analysts pointed to the company's Q1 revenue outlook as a key catalyst. BMO Capital upgraded Enphase to Market Perform, boosting its price target. RBC Capital also upgraded the stock, citing a bottoming demand.

Analysts are optimistic about Enphase's ability to recover market share in the residential solar sector and expand into the commercial market with new product offerings. The expectation of sequential revenue growth in the second quarter further supports the positive outlook. Investors are closely watching the company's performance as the solar industry navigates a period of change.

This positive sentiment follows a challenging period for solar companies due to supply chain issues and economic uncertainty. The upgrades suggest a potential turning point, and the market will be looking for sustained growth in the coming quarters. Enphase's ability to execute its expansion plans will be key to maintaining this momentum.