An icon of a line chart depicting the wholesale energy index

Octopus Tracker is Britain's first tariff to truly follow the wholesale price of energy.

Every day, we update the price of your energy based on an independently published wholesale market price — the price available to all suppliers.

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Your daily energy charges at your fingertips

See what you're spending on any given day, and how it compares to what you'd spend on the average variable tariff

An overview of how the tracker tariff shows the price of energy each day
A doughnut chart showing the breakdown of the daily price of energy

See where your money’s going

Get the breakdown of your daily price and see what you’re paying for energy, distribution, environmental & social obligations — even exactly how much is going to us at Octopus Energy

Want to know more about how Tracker works?

Take a look at our Frequently Asked Questions

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Daily price updates that follow the wholesale cost of energy

Our mascot Constantine hugging planet Earth

100% renewable electricity

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5 star customer service by email and phone

“Simple to join, switch and set up. Ultra helpful, personal and fast customer service. Value for money and transparent prices. It was and still is a no-brainer. One of the best companies I have ever dealt with”

Tristan from Taunton

Rated 5 stars for customer service from 119,995 reviews.

Already an Octopus customer? Drop us an email to and we'll get your switch to Tracker underway.

Hey I'm Constantine, welcome to Octopus Energy!