Is Tracker actually saving you money?

Pull in your real smart-meter usage and see what every month and every day cost you on Tracker versus what it would have cost on Flexible Octopus.

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Your API key and account number are stored in this browser's local storage only and are sent over HTTPS directly to api.octopus.energy — never to us or anyone else. This site has no server, no database, no cookies and no analytics.

Octopus API key From your Octopus dashboard → Account → API access Account number Starts with “A-”, shown on every Octopus email Region Auto-detected from your tariff when you connect Gas meter reports Skip this if you don't have gas Calorific value From your gas bill; 39.5 is a sound default

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Is Tracker actually saving you money?

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Monthly breakdown