Octopus Energy Tariffs, Prices & Reviews
Octopus Energy is one of the UK’s most popular and innovative energy suppliers. Since entering the market in 2016, they've built a lean, technology-driven business model that prioritises transparency, flexibility, and sustainability. Their tariffs are competitive, and they are known for excellent customer service and a strong commitment to renewable energy.
Why Choose Octopus Energy?
Octopus Energy has seen rapid growth by taking on customers from failed suppliers like Bulb (1.5 million customers) and Shell Energy. As of the end of 2024, it supplies 24% of electricity and 24.1% of gas customers in the UK — making it the largest energy supplier in the country.
The company invests heavily in green energy, energy efficiency, and electric vehicle infrastructure — while also expanding globally, including in regions like Texas.
Octopus Energy also won top honors in the Uswitch 2025 Energy Awards for Overall Customer Satisfaction, repeating its 2024 win. It also claimed the top spot for Best Customer Service and tied for Best Value For Money.
How do I contact Octopus Energy?
Emails and calls to Octopus Energy are answered by UK-based energy specialists, with average call wait times under a minute.
They offer a range of help guides and FAQs online. If you still need to talk to someone, here’s how:
Hours: Mon–Thu 9am–5pm, Fri 9am–4pm
Email: hello@octopus.energy
Support for EVs, solar, heat pumps: Same number above
SignVideo: Free BSL interpreter service available during business hours
What tariffs are offered by Octopus Energy?
Octopus offers a wide selection of tariffs — over 70 at the time of writing — including domestic, business, credit, and prepayment options. These include:
- Fixed-rate tariffs: Lock in rates for 12+ months for price certainty
- Variable tariffs: Adjust according to energy price cap
- Tracker tariff: Tracks daily wholesale energy prices
- Agile Octopus: Half-hourly energy pricing for flexible usage
- Octopus Go: Night-time EV charging with cheaper rates
Does Octopus charge exit fees?
Octopus typically doesn’t charge exit fees for domestic customers. However, exit fees may apply to business tariffs. Always confirm when signing up.
Octopus Energy Reviews (2025)
As of June 2025, Octopus Energy has a Trustpilot score of 4.8/5 from over 612,000 reviews.
More than 90% of those reviews rate the company with five stars, praising its pricing, innovation, and customer service.
Why Choose Octopus Energy?
Varied Range of Tariffs
Flexible plans designed for households, small businesses, EV owners, and more.
Extensive Products & Services
Beyond energy: EV chargers, smart tech, heat pumps, and broadband.
Award-Winning Customer Service
Multiple industry awards and high customer satisfaction scores year after year.
Renewable Energy Commitment
All electricity is 100% green, backed by investment in generation and storage.
Frequently Asked Questions
All Octopus energy tariffs offer 100% renewable electricity from clean sources like solar and wind power. For a small extra fee, they’ll offset your gas carbon emissions. In one year alone, Octopus customers saved 26,900 tonnes of CO2 — equivalent to planting 365 trees per customer.
Yes, Octopus has a mobile app that allows customers to manage usage, payments, and statements. You can also access your online account to update Direct Debits, enter meter readings, manage preferences, and book smart meter installations.
Octopus’s size and innovation make it unique, but comparable alternatives include British Gas, EDF, E.ON, OVO, and ScottishPower — all part of the UK’s major energy suppliers.
You can cancel simply by switching to a new supplier. However, fixed-term tariffs may have exit fees unless you're in the final 49 days. Variable tariffs can be ended anytime without fees.
It's very unlikely. Octopus is one of the UK's largest suppliers and continues to grow. However, the energy market remains volatile, and there is always some level of risk. See our energy Q&A guide for more context.