> ## Documentation Index
> Fetch the complete documentation index at: https://docs.engrate.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Meter

A Meter is a concept from the [ENTSO-E Harmonized Electricity Market Role Model](https://www.entsoe.eu/data/cim/role-models/), which defines it as:

> A physical device containing one or more [registers](/api-reference/core/models/register).