Upload your smart-meter half-hourly usage CSV to see what 12 months would have cost on each supplier's EV tariff. Everything runs in your browser - nothing is uploaded anywhere.
The MPRN is the 12-digit number on the front of your electricity bill. The CSV can be downloaded from your supplier's portal.
or click to choose a file · expects Date, 00:00 … 23:30 columns
| Plan | Urban | Day | Night | Peak | EV | Export | Yr 1 discount | Annual cost | vs best |
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How each tariff tracks through the year, annual charges spread evenly.