Low-cost alternatives to solar-stalling 'direct transfer trip' requirements

The Coalition for Community Solar Access trade group says a utility requirement for "direct transfer trip" make many solar projects financially unviable, while researchers argue that the targeted safety risks can be addressed with lower-cost alternatives. From pv magazine USA For a community solar project sized at several megawatts, a utility requirement to fund an emergency shutoff technology known as direct transfer trip (DTT), designed to take the project offline in the event of a distribution circuit fault, is "often prohibitively expensive," said the CCSA, and "many solar project developers ...

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