Pumps, blowers, or other heat transfer devices that use energy other than solar are not used. Principal among these were suggested retail rate reforms and new incentives for production of electricity by cogenerators and users of renewable resources. Equivalent to 10 to the 15th power Btu. Fuel processed from municipal solid waste that can be in shredded, fluff, or densified pellet forms. An energy source that is regenerative or virtually inexhaustible.
Typical examples are wind, geothermal, and water power.
Logs, bolts, and other round timber generated from the harvesting of trees. A semiconductor material made from silica, purified for photovoltaic applications. The boule is sawed into thin wafers and fabricated into single-crystal photovoltaic cells. Normally, a solar thermal collector includes a frame, glazing, and an absorber, together with the appropriate insulation. The heat collected by the solar thermal collector may be used immediately or stored for later use.