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Our Clients Include

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Company Statistics
  • Founded in 2001 as a two man operation, and since evolved into a leader in North America's demand response industry

  • Ranked #1 in the New York market out of > 40 demand response providers in terms of electric load under contract

  • In California, ECS acquired 65% of all aggregator load at the outset of PG&E's program, despite competing with 5 other demand response service providers

  • Executive team includes former ISO/RTO management, utility management and industry leading technology providers

  • Advisory team includes William Flynn, former NY PSC chairman and NYSERDA President; and Kathleen Carrigan, former Senior Vice President, General Counsel and Corporate Secretary for ISO New England

Our Customers Include
  • Manufacturers

  • Hotels

  • Schools, colleges, universities

  • Commercial office buildings

  • Water treatment facilities

  • Casinos

  • Healthcare facilities and hospitals

  • Not-for-profits

  • Museums

Company Achievements

  • Winner of the Award for "Best Demand Response Company" from Energy Efficiency Markets

  • Nominated for Platt's Global Energy Awards for Energy Company of the Year and Rising Star Award (2007 – 2010)

  • Winner of PLMA's Best Demand Response Case Study

  • Identified by JP Morgan as a Top 100 Green Company in North America

  • Recognized in INC. 500/5000 list

  • Finalist for Best Places to Work in Western New York for three consecutive years

  • Recognized by Buffalo Business First as the Fastest Growing Company for two consecutive years

  • Over 120 employees and contractors

  • More than 2,000 megawatts of demand response reduction under contract in its programs

  • Approximately 4,000 megawatts of peak electric load under contract


Good business: ECS maintains the highest level of membership in the Better Business Bureau with an A+ rating. We have never had a single complaint or lawsuit filed against us.

Notable Members

california demand response programs

About Demand Response

what is demand response