Solar Energy
Energy Efficiency
The Geothermal Working Group
Our mission is to promote the growth of the "smart" energy industry by providing comprehensive workforce and economic development services to partnering companies.
Watch the new video from the Geothermal Working Group
May 3–7, 2010Basic Grid-Tied Photovoltaics
April 26, 2010Beyond Minimum Requirements: Follow-up Training and Best Practices for DEP Approved Solar PV Providers
SEI Recruiting New Energy Companies
PennFuture's Green Power Update
The SEI website is supported by: www.ppleconomicdevelopment.com