reserve capacity

noun

Automotive.

1. the capacity of a battery, measured in minutes, to keep a vehicle operating if the charging system fails.

Example Sentences

In its plan for meeting the 2030 clean energy target published last month, the government committed to keeping a reserve capacity of gas power stations for this purpose.

From BBC

"The energy system is not as reliable and with a smaller reserve capacity than it was before the targeted strikes," he said.

From Reuters

The reserve capacity ratio below 3% risks power shortages and blackouts.

From Reuters

West Burton A was slated to close last year but was kept going by the government to provide emergency reserve capacity over winter.

From BBC

But executives at the Southeast utilities say their reserve capacity contributes to their higher scores in a national assessment of reliability — an increasing concern as climate change produces more extreme weather events.

From New York Times