Energy Curtailment Specialists, Inc. (ECS) is one of the largest demand response providers in North America. As an NRG Energy company, ECS is leading a movement that’s changing the way the world thinks about energy. Working with Independent System Operators across the entire continent, we are proud to provide a permanent, reliable solution to electric power grid instability.
We work with thousands of customers in business and manufacturing industries, and manage more than 2,000 MW of demand response across North America.
More than 96% of our customers re-enroll in our program after their first year, and we think that speaks volumes to our level of service . We maintain an A+ rating in the Better Business Bureau and have yet to receive a single complaint. Employees of ECS have years of experience in the industry, with backgrounds in everything from engineering to policy-making.