Storage can provide frequency regulation nearly instantaneously, whereas a gas plant takes five minutes to ramp up or down.
The goal is to achieve cost parity between EVs and internal combustion vehicles, and one strategy for doing that is frequency regulation.
The rule also says better quality frequency regulation should earn higher payments.
The grid needs short-, medium-, and longer-term storage to run smoothly, and car batteries could most easily meet the short-term need, a process called frequency regulation.
To keep power flowing reliably, grid operators must smooth out supply and demand on a second-to-second basis (known as frequency regulation), an hourly basis (intermittency), and on a daily, weekly, and annual basis (meeting peak demand).
To be able to offer frequency regulation service to the grid, cars need a bidirectional power system, so energy can flow both from the grid and to the grid, and software to allow the car to communicate with the grid.
But the latest thefts, at institutions supposedly in official care, and the sheer frequency of deceit, suggest that regulation of the market is far too slack.
Closely related to this third group of activities is a critical question that we as a country now face: how to strengthen our financial system, including our system of financial regulation and supervision, to reduce the frequency and severity of bouts of financial instability in the future.
From the British perspective, the long arm of American regulation has reached across the Atlantic with distressing frequency lately.
"We should not wait for a serious incident before deciding upon an appropriate degree of regulation - not something heavy handed but something recognising that both the frequency and size of these huge commercial cycling events have greatly increased, " he said.
BBC: New Forest cycle event organisers 'baffled' by criticism
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