Metrics engine: how tariff prices change


The metrics engine is a tool that we've developed to explain how tariff prices change as we move through the price modelling process.

The metrics engine was initially produced for the 2017/19 national tariff. We are planning to publish a revised version of the metrics engine alongside the statutory consultation on the next tariff.

If you have any questions about the tool please email us.

Supporting documents

Price modelling narrative PDF, 131.4 KB

Explains some of the most frequently asked questions about areas within our modelling process.

Metrics engine price modelling process guide PDF, 221.6 KB

Details all of the steps involved in our price modelling.

Metrics engine glossary PDF, 158.0 KB

Defines all of the key terms used within the metrics engine and the documentation above.

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