SmartEnergy SmartGreen 3 is a 3-month fixed rate electricity plan from SmartEnergy, available in the Oncor, CenterPoint, AEP Texas Central, AEP Texas North and TNMP service areas. At 1,000 kWh a month it costs 9.4¢–11.3¢ per kWh all-in — about $94–$113 a month including delivery charges — depending on your utility. It has 100% renewable content and no early termination fee.
Typical homes using around 1,000 kWh a month; people who want a short commitment; anyone who wants 100% renewable electricity.
Lock in a competitive fixed rate for 3 months of 100% renewable electricity. Available to new residential customers online. No early termination fee.
As of Nov 11, 2026, SmartEnergy SmartGreen 3 costs 9.4¢–11.3¢ per kWh all-in at 1,000 kWh a month, including TDU delivery charges and any bill credits. By utility — Oncor: 10.0¢ per kWh (≈$100/mo); CenterPoint: 10.2¢ per kWh (≈$102/mo); AEP Texas Central: 9.4¢ per kWh (≈$94/mo); AEP Texas North: 9.5¢ per kWh (≈$95/mo); TNMP: 11.3¢ per kWh (≈$113/mo). At 500 kWh it is 10.2¢ per kWh ($51/mo) and at 2,000 kWh 9.0¢ per kWh ($180/mo) in the AEP Texas Central area.
Yes. SmartEnergy SmartGreen 3 is a fixed-rate plan with a 3-month term: the energy charge stays the same for the full contract. Your bill still changes with how much electricity you use, and the regulated TDU delivery charges can be adjusted by the utility.
There is no early termination fee on SmartEnergy SmartGreen 3, so you can switch plans before the 3-month term ends without a penalty.
SmartEnergy SmartGreen 3 is 100% renewable: the provider buys renewable energy credits to match all of your usage.
SmartEnergy SmartGreen 3 is available to homes served by Oncor, CenterPoint, AEP Texas Central, AEP Texas North and TNMP. Enter your ZIP code to confirm it is offered at your address.
At 1,000 kWh a month SmartEnergy SmartGreen 3 ranks #2 of 310 residential plans in the AEP Texas North area by all-in cost, so it costs 0.0¢ per kWh more than the cheapest plan there and less than the area average of 14.5¢. Rankings are recalculated daily.
Choose your utility in the table above and click Enroll. You will need your service address, a move-in or switch date and the account holder's details; enrollment takes about five minutes online and a switch usually completes within one to seven days. There is no interruption to your power.
Rates and rankings are recalculated daily from provider Electricity Facts Labels via PowerHQ. All-in prices include TDU delivery charges, base fees and bill credits averaged over a typical year; your actual bill depends on your usage. GridHacker may earn a commission when you enroll through our links — this never affects how plans are ranked.
