Posh Energy is a YC-backed clean-energy company that provides modular battery energy storage systems (BESS) and hybrid Flex-Fuel gensets for commercial and industrial customers, especially those facing high demand charges or power-capacity constraints. Their integrated battery energy storage solutions, smart energy management software, and on-site clean power generation solutions make Posh Energy a prominent player in the industrial and data center markets. Posh’s solutions help businesses reduce electricity costs, increase resilience, support renewable energy, and unlock new revenue or carbon credit opportunities. Recent LOIs with partners like XCF Global highlight Posh’s expansion into powering renewable-fuel facilities and solving the growing AI data-center power bottleneck with rapid-deployable, clean, on-site power.