Awareness Expert Reviewed

What is ERCOT and Why Does It Matter?

The grid operator that runs 90% of Texas — explained for the people who pay the bills.

By ChooseMyPower Editorial 8 min read Updated May 2026

Share

Key Takeaways

ERCOT is the non-profit that operates the Texas power grid.
Texas has its own grid to avoid federal regulation — a deliberate 1930s choice.
Wholesale ERCOT prices set the floor your REP buys at.
Winter Storm Uri (Feb 2021) is why Texas reformed its grid reliability rules.

This guide walks through the core decisions and pitfalls for Texans shopping for electricity. Full article content is ported from the design prototype. For production, connect this to your CMS or Convex content collection.

ERCOT in one sentence

Detailed coverage of this section lives in the full guide content — see the HTML prototype for the complete article body.

Why Texas has its own grid

Detailed coverage of this section lives in the full guide content — see the HTML prototype for the complete article body.

How wholesale prices affect your bill

Detailed coverage of this section lives in the full guide content — see the HTML prototype for the complete article body.

What happened during Winter Storm Uri

Detailed coverage of this section lives in the full guide content — see the HTML prototype for the complete article body.

ERCOT vs. PUC vs. your provider — who does what

Detailed coverage of this section lives in the full guide content — see the HTML prototype for the complete article body.

CE

“ERCOT runs the grid; the PUCT writes the rules; your REP sells you the bill. Three different bodies, three different jobs.”

— ChooseMyPower Editorial, Editorial team

Choose My Power Pick

See your real bill at your usage

Compare live Texas electricity plans from every retail provider serving your meter. Sorted by true cost at your actual usage level — not the teaser rate.

Powered by ComparePower.com

» MORE: The Texas power grid · Texas deregulation explained

The Bottom Line

The grid operator that runs 90% of Texas — explained for the people who pay the bills.

Compare plans now

Editorial Independence: ChooseMyPower is editorially independent. Our opinions are our own. We may earn a referral fee when you enroll through our partner ComparePower.com — this never influences our rankings or editorial content.

Share

8 min read

Was this article helpful?

CE

ChooseMyPower Editorial

Editorial team

Articles on ChooseMyPower are written and reviewed by the editorial team. Plan and rate data on every page is pulled from the live electricrates.org API on every build, so the numbers you see reflect the current Texas market.

Editorial Standards

How we research and review.

Independently researched. Every claim is verified against primary sources (PUCT, ERCOT, EFLs).
No paid placement. Rankings are never influenced by advertising or referral compensation.
Reviewed by ChooseMyPower Editorial. Plan data is pulled live from the electricrates.org API on every build and cross-checked against the EFL each REP publishes.

Read our full standards

Sources

ERCOT — Annual Report 2025
PUCT — ERCOT Oversight Filings
Texas SB 3 (2021) — Grid Reliability Act
University of Texas Energy Institute — Uri Post-Mortem

Sources are cited for informational purposes. Data may have been updated since publication.

Find your best plan

Put this knowledge to work. Compare electricity plans in your area and start saving.

Frequently asked questions

Common questions related to awareness.

Where do you get your data? +

We source plan and rate data from public REP filings, the Electricity Facts Label (EFL) every plan must publish, and the live ComparePower.com database. Updates flow daily.

Are recommendations independent? +

Yes. ChooseMyPower's rankings and recommendations are made independently from any compensation we may receive when you enroll through our partner.

How often is this guide updated? +

We revisit guides on a quarterly basis at minimum, and immediately when material market or regulatory changes happen.

Ready to lock in a plan?

Enter your ZIP and we’ll show every Texas plan available on your meter — sorted by true cost at your actual usage.

No spam · It's free · Takes 60 seconds