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Will the Supreme Court kill the smart grid?

On April 30, Tesla’s Elon Musk took the stage in California to introduce the company’s Powerwall battery energy storage system, which he hopes will revolutionize the dormant market for household and utility-scale batteries.

A few days later, the Supreme Court announced that it would hear a case during its fall term that could very well determine whether Tesla’s technology gamble succeeds or fails. Justices will hear arguments on October 14 to address questions having to do with federal jurisdiction over the fast-changing electricity business.

At issue is an obscure federal policy known in the dry language of the electricity business as “Order 745,” which a lower court vacated last year.

Order 745 allowed electricity customers to be paid for reducing electricity usage from the grid – a practice known as “demand response.” It also stipulated that demand response customers would be paid the market price for not using the grid – like the power industry’s version of paying farmers not to grow corn.

Paying people not to use electricity may sound preposterous – one critique of Order 745 was that it permitted overly generous prices and lax performance standards, basically making demand response a license for electricity consumers to print money.

But research, including some of my own, has shown that demand response can make markets operate more efficiently, temper the market power held by power generating companies and reduce the risk of blackouts.

In other words, as long as the prices and rules are right, paying people to use less electricity isn’t such a crazy idea. Indeed, it’s just one way that new technologies, including rooftop solar and batteries, could make the grid cleaner and lower prices.

Smart grid on trial

The Order 745 case has already proven to be a major disruption in the US electricity market. It has thrown uncertainty into business models, market prices, and in some cases even the planning of the power grid to ensure reliability in the coming years.

The case, however, ultimately goes far beyond demand response.

The issue at hand is all about the ability of the federal government to set market rules for local power systems – that is, the portion of the grid that reaches individual homes and businesses – versus the regional grid that transports power over long distances across the US. It therefore has implications for the value of rooftop solar systems, backup generators, and even Tesla’s Powerwall battery – basically anything that would allow individual customers to supply energy to the power grid or reduce demands on an already strained infrastructure.

In fact, Order 745 could very well be the biggest energy-related Supreme Court case in decades.

Read full article at The Conversation