The story
Founded by Biocoop, Friends of the Earth - France, Greenpeace France, Julien Noé, La Nef, Patrick Behm and Réseau Cler on Sep 7, 2005.1
Enercoop was created in 2005 and initially, as the French electricity market wasn't yet liberalized, Enercoop just had companies as customers. Later on, in 2007, as the market was liberalized, Enercoop started to grow and totalized more than 200 customers.
In 2011, after the Fukushima Daiichi nuclear disaster, Enercoop went from 3,000 customers in 2009 to 10,000 in late 2011.
In 2014, Enercoop had 20,000 customers.
As of 2021, Enercoop had 100,000 customers
From Wikipedia’s article on Enercoop, shared under CC BY-SA 4.0.5