NuScale Power Corporation (NYSE:SMR) is one of the best nuclear energy stocks to buy as SMRs go mainstream, with a median upside potential of 58.3%. NuScale Power (SMR) Is Among The Best Nuclear Energy Stocks To Buy As SMRs Go Mainstream Revenue came in at just $0.6 million. That was a significant decline compared with $13.4 million in Q1 2025, as the prior-year period included revenue from the RoPower technology license agreement and Fluor's FEED Phase 2 engineering services, both of which are now complete ...