Octopus Energy

Octopus Energy is a British energy supplier founded in 2015 as a subsidiary of Octopus Capital Limited, which is part of Octopus Group. The company operates in multiple countries, including the United Kingdom, France, Germany, Italy, Spain, Australia, Japan, New Zealand, and the United States. As of December 2025, Octopus Energy serves 7.7 million households globally, making it the UK's largest supplier of domestic electricity and gas. The company offers a range of services, including gas, electricity, hydrogen, electric vehicle services, and heat pumps. Octopus Energy is known for its innovative tariffs, such as Octopus Tracker, Octopus Agile, and Octopus Go, which are made possible by the national rollout of smart meters. The company also developed the Kraken platform, a customer management system that has been licensed to other energy suppliers, including EDF, E.ON, and Origin Energy, supporting over 54 million customer accounts worldwide. Octopus Group, the parent company, is headquartered in the United Kingdom and is a leading investor in renewable energy projects, with a portfolio valued at £6 billion. The group also owns other businesses in the energy sector, including Octopus Renewables and Kraken Technologies.