Greg Thomas

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

Moving from Energy Efficiency to Carbon Footprint

Author: Greg Thomas

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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

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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

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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]

Data Standards, Energy Efficiency and the Digital Data Economy

Greg Thomas

Digital data is so big that politicians are starting to talk about the need to break up the companies that manage and profit from much of our data, like Google, Facebook and Amazon. These companies know what to sell you and when you are interested in buying. The better they are at using data, the more efficient they are, the more money they make, and the faster they grow. If data is so valuable and ... [continue reading]