Decentralized Power Generation Market Size, Share & Industry Analysis, By Technology (Solar PV, Battery Energy Storage Systems (BESS), Combined Heat & Power (CHP) Systems, Fuel Cells, Biomass/Biogas Power Systems, and Others), By Grid Connection (Grid-Connected and Off-Grid), By Application (Distributed Generation, Backup Power, Microgrids, Remote Electrification, EV Charging Infrastructure, and Others), By End User (Residential, Commercial, Industrial, Utilities, and Others), and Regional Forecast, 2026-2034