• The Electric Reliability Council of Texas (ERCOT) can implement a program allowing customers to sign up for voluntary reductions if they can respond within 30 minutes  of an ERCOT request.
• Customers who sign up – residential or commercial – must be able to take at least 100 KW of demand off the system.
• The ERCOT board approved the pilot program Tuesday, when the system hit a June demand record that lasted only 24 hours because of heat in the state. ERCOT has already warned that the system lacks enough excess capacity to avoid rolling blackouts if demand goes too high.

From the article:

The Electric Reliability Council of Texas (ERCOT) has received approval from its board of directors for a pilot project to help reduce demand on the grid when electric use is high and power supplies are tight. ...