Our mascot Constantine and friends

A bright future ahead with Octopus Energy

M&S Energy has become Octopus Energy. All our customers will continue to receive honest pricing, 100% renewable energy and outstanding customer service.

If you're an existing customer, you can log in on the Octopus Energy website. The first time you log in, you'll need to reset your password.

If you have a question about your account, please get in touch:

By email: hello@octopus.energy
By phone: 0808 164 1088

Hey I'm Constantine, welcome to Octopus Energy!