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About PAYS

Pay As You Save® (PAYS®) is a registered trademark in the United States of Energy Efficiency Institute (EEI). Co-Principals Harlan Lachman and Paul A. Cillo created the PAYS system between 1998-1999. The trademark applies within the U.S. Aspects of EEI’s PAYS system have been applied by Energy Efficiency Services Ltd. (EESL) in India, to finance energy efficiency upgrades including LED lightbulbs, street lights, fans, and water and sewage pumps.

About PAYS for Building Energy Efficiency Upgrades

About PAYS for Clean Transport

Recent Posts

  • 2030 Climate Challenge Finalists Include Team with Clean Energy Works
  • Tamara Jones joins Clean Energy Works in New Managing Director Role
  • Inclusion Imperative: Gains in 2020 expand uses for site-specific investment in energy upgrades
  • Could Vehicle-Grid Integration make EVs more affordable?
  • Accelerating Electric Bus Deployment in Latin America with ZEBRA 2.0
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