MENU ACCOUNT Our Products Pop in your postcode to get a full list of our available and historical plans, and a price breakdown of each. All prices include VAT. For general enquiries: By email: hello@mandsenergy.com By phone: 08081 697 822 Privacy Terms & Conditions Modern slavery statement ABOUT MARKS & SPENCER The company Jobs Plan A Store finder Accessibility Privacy Terms & Conditions M&S Energy is proudly supplied by Octopus Energy Ltd. Octopus Energy Ltd is a company registered in England and Wales. Registered number: 09263424. Registered office: 33 Holborn, London, EC1N 2HT. Marks and Spencer plc is a company registered in England and Wales. Registered number: 0214436. Registered office: Waterside House, 35 North Wharf Road, London, W2 1NW. We use cookies to provide a great experience. If you're happy with this, continue browsing. Read more Manage my cookies.