[20] In February 2021, CEO Greg Jackson said on a BBC News interview that Octopus does not operate a human resources department.

[22] In July 2021, Octopus rose 12 places on the UK Customer Service Index to 17th, making it the only energy company in the Top 50.

[25] In November 2021, Octopus announced in Manchester that it had signed a deal with the city region as part of a bid to become carbon neutral by 2038.

[26] In October 2022, Octopus reached an agreement with the UK Government to acquire Bulb Energy's 1.5 million customers.

[28] In September 2023, Octopus announced it would be acquiring Shell's household energy business in the UK (trading as Shell Energy) and in Germany, in a deal expected to complete in late 2023 which would increase the company's domestic and business customer base to 6.5 million.

[37] In September 2021, Generation Investment Management, co-founded and chaired by Al Gore, purchased a 13% stake in Octopus Energy Group in a deal worth $US600 million.

[44] As part of their partnership agreed in August 2019, Midcounties Co-operative and Octopus established a joint venture to develop the UK's community energy market and encourage small-scale electricity generation.

In 2019, Octopus stated that all its electricity came from renewable sources, and began to offer a "green" gas tariff with carbon offsetting.

The plan allows households to become part of the UK Tesla Virtual Power Plant, which connects a network homes that generate, store and return electricity to grid at peak times.

[52][53] In November 2021, Octopus Energy announced plans to raise £4 billion to fund the global expansion of its Fan Club model, which would be expanded to include solar farms.

The company’s flexibility platform KrakenFlex will be used together with Elia Group’s energy data affiliate, re.alto, to enable electric vehicles, heat pumps and other green technologies to be used for grid balancing.

[55] In January 2022, it was announced that Octopus Renewables had bought the Broons/Biterne-Sud wind farm in Cotes d’Armor, northeast Brittany, France from Energiequelle for an undisclosed price.

[56] In June of that year, the group's fund management team bought the rights to develop the 35MW Gaishecke wind farm near Frankfurt, Germany.

As of September 2022, more than 450 charging companies were taking part, allowing customers access to over 300,000 chargers in over 50 countries through a single card and/or app.

[60] In 2019 Octopus launched a 'Portraits from the Precipice' campaign, which sought to raise awareness of climate change and encouraged customers to switch to greener energy deals.

The project, which coincided with COP26, was realised in Glasgow through collaboration with the local art community, and was designed as a call for global leaders to invest in renewable energies such as solar PV, in order to power a sustainable future.

[65][66][67] Octopus Energy licenses their proprietary customer management system called Kraken, which runs on Amazon's cloud computing service.

[68] It was first licensed by UK rival Good Energy in late 2019, for an initial three-year term, to manage its 300,000 customers.