Ambit Energy Rates & Plans in
Castroville, Texas
Start service at a new address, pay your bill, manage your account, or transfer your electricity — all in one place. Castroville is in Texas's deregulated market, so you choose your provider.
Individual results vary. Savings not guaranteed.
Lowest rate in Castroville
Budget Relief 12
12 months
at 1,000 kWh · E-Plan discount included
Sign Up Online →Local Services
Castroville, TX Utility Setup Guide
Your Electric Options
Top 4 Ambit Energy Electricity Plans for Castroville
Serving the Oncor Electric Delivery utility area. Rates include E-Plan (paperless) discount.
Most Castroville homes use 1,000–1,500 kWh/month — the 1,000 kWh column is the most realistic comparison.
Local Info
Castroville, TX Utility & Government Contacts
Verified numbers, addresses, and websites for services you'll need during your move.
Oncor
Power outage · grid operator
City Hall
Permits, utilities, general
Police (non-emergency)
Castroville Police Department
County Courthouse
Records, permits, court business
Post Office
USPS retail + mailing
Frequently Asked
Castroville Electricity Service FAQ
About Castroville
Who do I call for a power outage in Castroville?+
Which Ambit Energy plan offers the best value in Castroville?+
Is Ambit available in all Castroville ZIP codes?+
What nearby cities do you serve?+
How do I set up water service in Castroville?+
About the Texas Deregulated Market
How long does it take to switch providers?+
What's the difference between Oncor and Ambit?+
Fixed vs variable rates — which should I pick?+
What is the E-Plan discount?+
Do you have Spanish-language support?+
Ready to switch in Castroville?
Enroll in 5 minutes or call for help choosing a plan. Same-day and next-day connections available.