Biomass, like geothermal, provides a constant renewable energy supply, provided there is a consistent source of biofuel. In the United States, biomass supplies almost fifteen times as much energy as wind and solar power combined. Biomass systems operate from solar energy stored in tree and plant crops through photosynthesis, and through burning or digesting various agricultural and urban wastes. Biofuels are not cost effective if transported more than 50 miles, limiting their scale of production, but providing a niche for smaller scale energy production. Biomass electrical generation systems operate in the 2-10 MW range or can be used to substitute up to 20 percent of the coal used in a boiler mixed with coal in power plants—a process known as "co-firing.”
You can support biomass projects by purchasing Carbon Offsets.
