Making informed decisions about energy requires understanding where energy comes from (energy source) and how it is used (energy demand). Explore energy efficiency measures and small renewable energy technologies for home, farm, and ranch. Explore an Energy 101 topic: Alternative EnergyAlternative Energy Overview of alternative energy sources in Maryland. Anaerobic DigestionAnaerobic Digestion Explore anaerobic digestion for your farm. BiodieselBiodiesel Explore biodiesel applications for you home or farm. Carbon and ClimateCarbon and Climate The impact of energy on greenhouse gas emissions. Conventional EnergyConventional Energy Overview of conventional energy sources in Maryland. Energy DefinedEnergy Defined Overview of Maryland's energy production and use. Energy PolicyEnergy Policy Maryland's energy goals and Renewable Portfolio Standard. Energy PrioritiesEnergy Priorities Decision-making tool for energy saving measures. GeothermalGeothermal Explore geothermal heat pumps for your home, farm or business. HydropowerHydropower Explore micro-hydropower for your home or farm. Inflation Reduction ActInflation Reduction Act Save money and energy through the IRA Solar PVSolar PV Explore solar PV for your home, farm or business. Solar ThermalSolar Thermal Explore solar hot water for your home, farm or business. WindWind Explore wind power for your home, farm or business. WoodWood Explore wood heating for your home, farm or business.