By L.M. Sixel
The manager of the Texas electric grid said Wednesday that it should not be forced to fix a data error that increased electricity costs by millions of dollars and reprice a block of wholesale power sales because generators submit erroneous data so frequently it would have to adjust prices as often as once a day.
The Electric Reliability Council of Texas made its comments in response to a complaint filed with the Public Utility Commission by the electricity trader Aspire Commodities in Houston. Aspire asked regulators to require generators to repay a windfall of an estimated $18 million, the result of inaccurate production data sent to ERCOT by the …