With an estimated 60% of all land in Pennsylvania used for agricultural purposes, the challenge of effective waste management is an important concern. Poorly managed farm waste can cause serious environmental damage. But agricultural waste also offers a tremendous opportunity as an alternative...

Geothermal (no geysers, hot water springs in Pennsylvania) Wave (not available in Pennsylvania) High-impact hydro (due to adverse environmental impact) Pumped storage (due to adverse environmental impact, losses in system, mature industry)

Renewable biomass:     Switchgrass     Willow/poplar     Wood waste     Anaerobic digestion (plant matter, STPs, animal waste)     Algae Biofuels/ethanol (liquid) Hydro (low impact) Wind ...

Generally, SEF invests in projects within the PPL energy service territory, but there have been exceptions, such as a wind plant in the southeastern corner of the state. SEF policies allow investments outside the PPL energy service territory when there are benefits to PPL ratepayers.

As a matter of policy, SEF invests in viable projects that fit SEF's sustainable energy mission. SEF has invested in wind generating facilities, a company that markets green energy to consumers, equipment that captures methane gas at a sewage treatment plant in the Lehigh Valley, green...

Renewable Bio Mass        Switchgrass         Willow/Poplar        Wood Waste        Anaerobic...