The leading photovoltaic energy storage stocks for investment consideration include ** Enphase Energy, NextEra Energy Partners, Tesla, and Array Technologies. . Energy storage systems are increasingly in demand to increase the effectiveness of solar power arrays, with the Energy Information Administration estimating in February that new utility-scale electric-generating capacity on the U. power grid will hit a record in 2025 after a 30% increase over the. . Read on to learn about some of the top energy storage stocks on the market and why you should consider investing in them. Here's why these solar stocks shine brightly in this rapidly expanding industry. If the last decade was about mastering renewable energy generation, the next will be about mastering energy storage.