Cool, Texas · Oncor territory
Start electricity service in Cool
New move? First-time customer? You shop the retail provider — not the utility. Oncor runs the wires; you pick who sells you the energy. Same-day activation is available in most Cool ZIPs.
Plans available 113+ on the Oncor grid
Lowest rate 7.7¢ per kWh at 1,000 kWh
Activation Same-day if you order by 4-5 PM CT
For the full 4-step ordering process (TDU confirmation → compare on real usage → pick a plan → place the order), see the Start Service hub. The same steps apply in Cool on the Oncor grid.
Cool fast facts
- County
- Parker County
- TDU
- Oncor
- Sample ZIP
- 76066
- Oncor outage / switch-hold line
- 1-888-313-4747
FAQ
- How fast can I get service started in Cool?
- Most retail providers offer same-day activation if you order before their cutoff (4-5 PM Central). Standard new-service activation runs 1 business day on the Oncor grid.
- Do I need a deposit to start service in Cool?
- Many no-deposit and prepaid plans skip the credit check. Standard postpaid plans run a soft credit check; if you have thin or low credit, expect $100-400 (refunded after 12 months on time). We flag no-deposit options on every plan card.
- Who is the TDU for Cool?
- Oncor owns and maintains the wires in Cool. They charge a fixed delivery fee that's the same regardless of which retail provider you pick. The retail provider sets the energy rate.
- What's the average rate in Cool?
- About 12.1¢/kWh at 1,000 kWh. The lowest available plan on the Oncor grid is currently 7.7¢/kWh.