Captive Power Plant Market Size, Share & Industry Analysis, By Fuel Source (Coal, Natural Gas, Diesel/HFO, Renewable, and Others), By Capacity Range (Upto 10 MW, 10 to 50 MW, 51 to 150 MW, and Above 150 MW), By Technology (Gas Turbine, Reciprocating Engine, Combined Heat and Power (CHP), Renewable Microgrid, and Others), By End User (Cement, Metals & Minerals, Petrochemicals, Data Centers, Pulp & Paper, and Others), and Regional Forecast, 2026-2034