[2] Bristol City Council made a decision in principle to create such a company in 2010, as part of its Climate Change and Energy Security Framework.

[3][4][5] In spring 2018 it lost the contract to supply energy to Bristol City Council after British Gas marginally undercut them on price.

[6] In December 2018, employee number one and CEO Peter Haigh stood down and was replaced by Marek Majewicz, the company's finance director.

[13] As of August 2019[update], the company had received some £37.7 million of funding from Bristol City Council and was not expected to be profitable until 2024.

[14] In March 2020, Marek Majewicz departed as Managing and Finance Director[15] and was replaced by Allan Booth, who has in the past listed his occupation as "turnaround expert".

[19] In August of that year, 4,000 business customer accounts were sold to Yü Energy for £1.34 million plus taking on £580,000 of debt.

[26][27] Following sharp increases in wholesale gas and electricity prices which began in autumn 2021, unsuccessful attempts were made to obtain additional funding for Together Energy or to sell the business.

[23] With over £12 million due to Ofgem unpaid,[28] Together Energy Retail Ltd announced on 18 January 2022 that it was ceasing to trade.

Led by Bristol Mayor Marvin Rees, the Centre for Sustainable Energy, Bristol Energy and Western Power Distribution, brought together charities, business leaders and influencers from across the city to share knowledge and develop an action plan for collaborative work.