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Wind Forecast Order Jeopardizes Industry, Tata Power Says

India’s move to stabilize its power grid by asking wind farms to accurately predict their output a day in advance or face fines will deepen the slowdown in Asia’s second-biggest wind market, Tata Power Co. said.

A directive took effect this week ordering wind farms with a capacity of 10 megawatts or more to forecast their generation in 15-minute blocks for the following day. Missing estimates by more than 30 percent will incur penalties.