The answer is no, off grid solar power plant require batteries to store electricity. If the grid power isn't available and batteries are out of equation too.
[pdf] Self-contained and incredibly easy to deploy, they use proven vanadium redox flow technology to store energy in an aqueous solution that never degrades, even under continuous maximum power and depth of discharge cycling. Our technology is non-flammable, and requires little maintenance and upkeep.
[pdf] Starting from recent research hotspots, this article mainly introduces the development of new separators based on the improvement of cation migration ability in the battery field from the functional design of groups, the trapping effect of Lewis acid, and spatial screening.
[pdf] Amman, April 22 (Petra) -- Energy experts have lauded the Cabinet's recent approval of a grid-scale battery energy storage system (BESS) for the National Electric Power Company's transmission network, calling it a critical step toward enhancing Jordan's energy security and grid stability.
[pdf] Rumor has it, Lima’s proposal included a hybrid system pairing lithium-ion batteries with flow batteries —a combo as dynamic as peanut butter and jelly. While rivals stuck to single-tech solutions, Lima’s approach tackled both short-term spikes (like heatwaves) and long-term storage needs.
[pdf] In this article, we present the top 10 utility-scale battery manufacturers in the world, each contributing significantly to the advancement of energy storage solutions on a global scale. Dynapower Company Hitachi Energy Life-younger Primus Power Carnegie Clean Energy Fluence Energy EnerSys
[pdf] 
