Octopus Energy has raised $3.5B across 7 funding rounds, plus 1 undated round. The latest round valued Octopus Energy at $8.7B post-money.
Octopus Energy has taken in over 1 billion dollars in funding from investors including Origin Energy, Tokyo Gas and CPP Investments, alongside Generation, the sustainable investment fund co-chaired by Al Gore. Lightrock and Galvanise invested in 2024, valuing the company at 9.0 billion dollars.
7 funding rounds, the latest highlighted.
Octopus Energy was founded in 2015, United Kingdom.
No date is disclosed for this round.
A$507 million for a 20% stake, reported to make Octopus a unicorn (value in excess of £1 billion). Led by Origin Energy.
Tokyo Gas paid $193M for a 9.7% stake; Origin invested a further $50M at the same time to maintain its 20% stake. $243M raised, led by Tokyo Gas.
A primary round — the company sells new shares to investors it selects. $600M raised, led by Generation Investment Management.
A primary round — the company sells new shares to investors it selects. $300M raised, led by Canada Pension Plan Investment Board.
Existing holders. $800M raised.
Invited institutions. Led by Lightrock, Galvanise.
A primary round — the company sells new shares to investors it selects. $1B raised.
No filing has been made.
7 dated rounds, newest first.
GalvaniseLEAD
Canada Pension Plan Investment BoardLEAD
Generation Investment ManagementLEADTTokyo GasLEAD
Origin EnergyLEADOOctopus GroupThe routes section explains what is realistically available for a company at this stage.
No. Octopus Energy is a private company; its shares do not trade on a public exchange.
The last valuation is $8.7B (post-money, Dec 2025).
Lead investors for each round are in the funding timeline.
The closest energy retailing and generation peers are on the competitors page.