Here you may find the historical variable rates for Texas (ERCOT) by market for the previous 12 months. As these are historical rates, the data for the current month will not be displayed until following month.
| Center Point | Oncor | AEP Central | AEP North | TNMP | |
| 2025 | |||||
| December | $0.253 kWh | $0.264 kWh | $0.256 kWh | $0.239 kWh | $0.254 kWh |
| November | $0.247 kWh | $0.257 kWh | $0.251 kWh | $0.241 kWh | $0.256 kWh |
| October | $0.256 kWh | $0.262 kWh | $0.259 kWh | $0.255 kWh | $0.269 kWh |
| September | $0.260 kWh | $0.263 kWh | $0.262 kWh | $0.256 kWh | $0.271 kWh |
| Aug | $0.242 kWh | $0.266 kWh | $0.247 kWh | $0.239 kWh | $0.254 kWh |
| July | $0.259 kWh | $0.276 kWh | $0.269 kWh | $0.253 kWh | $0.266 kWh |
| June | $0.257 kWh | $0.276 kWh | $0.269 kWh | $0.252 kWh | $0.268 kWh |
| May | $0.256 kWh | $0.272 kWh | $0.269 kWh | $0.277 kWh | $0.280 kWh |
| April | $0.253 kWh | $0.268 kWh | $0.270 kWh | $0.278 kWh | $0.280 kWh |
| March | $0.244 kWh | $0.249 kWh | $0.265 kWh | $0.255 kWh | $0.263 kWh |
| February | $0.266 kWh | $0.265 kWh | $0.295 kWh | $0.279 kWh | $0.283 kWh |
| January | $0.281 kWh | $0.290 kWh | $0.281 kWh | $0.284 kWh | $0.275 kWh |
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