SECR Glossary

Megawatt-Hours (MWh)

Unit of energy equal to 1,000 kilowatt-hours

What is Megawatt-Hours (MWh)?

A megawatt-hour is a unit of energy equivalent to 1,000 kilowatt-hours or 1 million watt-hours. It's commonly used for larger energy quantities.

Why It Matters for SECR

The 40MWh low energy exemption threshold is expressed in MWh. 40 MWh = 40,000 kWh.

Examples

  • 1

    Annual consumption: 500 MWh

  • 2

    40 MWh exemption threshold

SECR Reporting Requirements

Report energy in kWh or MWh (consistent)

Related Terms

How Megawatt-Hours (MWh) Fits Into Your SECR Report

Understanding Megawatt-Hours (MWh) is essential for accurate SECR reporting. This concept appears throughout the reporting process—from data collection to final disclosure. Make sure your finance and sustainability teams have a shared understanding of this term.

For practical guidance on applying this concept, see our calculation guides or use the compliance checker to assess your specific situation.

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