Condition or critical care residential customer does not relieve a customer of the obligation. Or continuous power supply. If electricity is a necessity, you must make other arrangements for. The customer protection rules of the public utility commission of texas (puct) provide that certain customers may be eligible for designation as critical care or chronic condition. 5. 3. 7. 1, and for critical care residential customers protections against suspensionor disconnection, as provided in section 5. 3. 7. 4(1)(d) and (e), of the tdu’s tariff for retail delivery. And they're ready to do the. Customers who have been diagnosed with serious medical conditions can apply for critical care in richardson, tx. Sign up my account. Aep texas critical load application form; If you have any questions.