Add waiting for the lights to turn on to the laundry list of delays holding up urgently needed housing in California.

Newly constructed apartment buildings across the northern half of the state are sitting empty for months as Pacific Gas & Electric Co. drags its feet connecting them to the power grid, according to developers and housing advocates. They say they utility’s increasingly slow pace is also driving up building costs, creating yet another challenge to solving the state’s worsening housing crisis.

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