Greg Thomas

Greg Thomas is president/CEO of Performance Systems Development and Performance Systems Contracting.

Articles By Author

Moving from Energy Efficiency to Carbon Footprint

Author: Greg Thomas
premium CONTENT
January 01, 2008

I have been in the energy efficiency and renewable energy business for almost 30 years, and I am seeing more rapid change now in this industry than ever before. More and more people understand that energy ... [continue reading]


Performance Contracting: An ESCo Perspective

Author: Greg Thomas
archive CONTENT
November 01, 1992

Residential performance contracting presents great opportunities and great risks for both the utility and the energy service company (ESCo). [continue reading]


Home Ratings Sweep the Nation--Almost

Author: Greg Thomas
archive CONTENT
September 01, 1999

Home energy ratings have had a turbulent history in the United States. The economic promise and business risks of a national system to score the energy use of housing have attracted serious attention and have sometimes turned into a battlefield. Many of the political issues affecting ratings have been addressed, but some major issues remain. [continue reading]

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