Energy Glossary

Energy, explained.

The terms you'll see in Apollo, in plain English.

kWh

A kilowatt-hour: 1,000 watts used for one hour. The standard unit for electricity.

Therm

A unit of heat energy used for natural gas, equal to 100,000 BTU.

MWh

A megawatt-hour, or 1,000 kWh. Used for large-scale and renewable supply.

Baseload

The minimum level of steady demand, often met by firm sources like nuclear.

REC

A renewable energy certificate, proving one MWh came from a renewable source.

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