First Solar, Canadian Solar, Enphase Energy, Nextpower, and Sunrun are the five Solar stocks to watch today, according to MarketBeat's stock screener tool. MarketBeat's screener names five solar stocks to watch: First Solar (FSLR), Canadian Solar (CSIQ), Enphase Energy (ENPH), Nextpower (NXT), and Sunrun (RUN), which had the highest dollar trading volume among solar names recently. These companies span the solar value chain — from module and inverter. Discover Solar inverters stocks within the Alternative Energy Stocks sector. A solar inverter, or PV inverter, is a type of electrical converter which converts the variable direct current (DC) output of a photovoltaic (PV) solar panel into a utility frequency alternating current (AC) that can be fed into a commercial electrical grid or used by a local, off-grid electrical. Global solar energy investment hit $450 billion in 2025, powered by rising clean energy demand. First Solar's advanced technology and strong financial position make it a top solar energy stock. ” These microinverters convert energy captured in cells into usable energy for homes and. From HVDC converter stations that link offshore wind farms to onshore grids, to inverters converting DC from solar or battery systems to AC, and the rising adoption of wide-bandgap semiconductors (SiC and GaN) for increased efficiency – power electronics are foundational infrastructure.