Not registered? Receive daily email alerts, subscriber notes & personalize your experience. Register Now However, Texas lawmakers and regulators have so far made no significant revisions in weatherization rules since the mid-February winter blast cut power for about 4 millions customers for as long as four days, during which scarcity conditions prompted ERCOT and regulators to set real-time systemwide prices at the $9,000/MWh estimated value of lost load. Therefore, generators are required to make weatherization plans, and ERCOT can only report on whether generators have implemented those plans, according to a written presentation by Woody Rickerson, ERCOT vice president of grid planning and operations, posted online for the May 3 Summer Preparedness Workshop of ERCOT's Technical Advisory Committee.