The cheapest 100% renewable plan for a home using 500 kWh a month is Octopus Energy Octo Simple 3 at 9.5¢/kWh at 500 kWh a month on AEP Texas Central (9.7¢/kWh at 1,000 kWh, 9.8¢/kWh at 2,000 kWh, fixed rate, 3 months), as listed on Power to Choose on 2026-11-14.
41 plans from 11 retailers answer this on AEP Texas Central; the cheapest 10 are below. Ranked on the average price at 1,000 kWh a month as each Electricity Facts Label states it, delivery charges included; the 500 and 2,000 kWh figures are on every row.
OpenStream is not yet registered as a broker with the PUCT and earns nothing from any retailer. How we are paid.
Cheapest first. Each row goes to the provider's own sign-up page.
Which counties it is in and which delivery utilities serve them.
Dated 2026-11-14. Nothing is estimated beyond arithmetic the page names, and no provider pays to appear.