The cheapest electricity plan we have priced for Plano at 500 kWh a month is Companion Energy Companion Pro + Perks 3 at 10.5¢/kWh at 500 kWh a month on Oncor (10.1¢/kWh at 1,000 kWh, 9.9¢/kWh at 2,000 kWh, fixed rate, 3 months), as listed on Power to Choose on 2026-11-14. Plano is in Collin County, where EIA-861 records Oncor and TNMP as the competitive delivery utilities.
Ranked on the average price at 500 kWh a month, one of the three usage points every Texas Electricity Facts Label must state; the other two figures are on every row because a plan priced for one is often dear at another. Collin County has more than one competitive delivery utility, so each is ranked on its own; your bill says which one delivers to you.
Which counties it is in and which delivery utilities serve them.
Texas electricity · read from each provider's own page on 2026-11-14, with the page linked on each row.
Dated 2026-11-14. Nothing is estimated beyond arithmetic the page names, and no provider pays to appear.
OpenStream is not yet registered as a broker with the PUCT and earns nothing from any retailer. How we are paid.