It sells renewable electricity (some from community-owned sources) and gas to its ethically concerned member owner/customers and is an established large operator, an alternative to the Big Six energy suppliers.

[2] In 2014, User Chooser was launched by Co-op Energy to allow customers to choose where their electricity is sourced from.

[4] A problematic upgrade to its online customer service and billing system in 2015 resulted in numerous problems and a large backlog in dealing with issues.

[7] In 2020, Co-operative Energy Limited came under scrutiny by industry regulator Ofgem after it failed to make payments under the Renewables Obligation scheme.

[10] By 2024 the brand ownership of the acquired company was part of the portfolio of assets owned by Octopus Energy's Customer Supply arm.