| XPM | | ERCOT Houston 345kV Physical Off-Peak Fixed Price | Electricity | IEPA | |
| XOF | | ERCOT Houston 345kV Physical Off-Peak Weekend HE 0700-2200 Daily Fixed Price | Electricity | IEPA | |
| XPL | | ERCOT Houston 345kV Physical Off-Peak Weekend HE 0700-2200 Fixed Price | Electricity | IEPA | |
| YCJ | | ERCOT Houston 345kV Physical Peak HE 0700-1100 Daily Fixed Price | Electricity | IEPA | |
| YDO | | ERCOT Houston 345kV Physical Peak HE 0700-1100,1700-2200 Daily Fixed Price | Electricity | IEPA | |
| YDP | | ERCOT Houston 345kV Physical Peak HE 0700-1100,1700-2200 Fixed Price | Electricity | IEPA | |
| XOH | | ERCOT Houston 345kV Physical Peak HE 0700-2200 Daily Fixed Price | Electricity | IEPA | |
| XPJ | | ERCOT Houston 345kV Physical Peak HE 0700-2200 Fixed Price | Electricity | IEPA | |
| YCU | | ERCOT Houston 345kV Physical Peak HE 1700-2200 Daily Fixed Price | Electricity | IEPA | |
| YCV | | ERCOT Houston 345kV Physical Peak HE 1700-2200 Fixed Price | Electricity | IEPA | |
| ECJ | | ERCOT Houston 345KV Real-Time 7x8 Fixed Price Future | Electricity | IFED | |
| ER0 | | ERCOT Houston 345KV Real-Time Daily HE 1800-2200 Fixed Price Future, 7X | Electricity | IFED | |
| ER5 | | ERCOT Houston 345KV Real-Time Daily TB4 Fixed Price Future, 7X | Electricity | IFED | |
| ERM | | ERCOT Houston 345KV Real-Time HE 1000-1700, 7X | Electricity | IFED | |
| HED | | ERCOT Houston 345KV Real-Time Off-Peak Daily Fixed Price Future | Electricity | IFED | |
| HEB | | ERCOT Houston 345KV Real-Time Off-Peak Fixed Price Future | Electricity | IFED | |
| EDB | | ERCOT Houston 345KV Real-Time Peak 2x16 Fixed Price Future | Electricity | IFED | |
| EHD | | ERCOT Houston 345KV Real-Time Peak Daily Fixed Price Future | Electricity | IFED | |
| ERH | | ERCOT Houston 345KV Real-Time Peak Fixed Price Future | Electricity | IFED | |
| ER9 | | ERCOT Houston 345KV Real-Time TB4 Fixed Price Future, 7X | Electricity | IFED | |
| HZC | | ERCOT Houston Load Zone Day-Ahead Off-Peak Daily Fixed Price Future | Electricity | IFED | |
| HZD | | ERCOT Houston Load Zone Day-Ahead Off-Peak Fixed Price Future | Electricity | IFED | |
| HZA | | ERCOT Houston Load Zone Day-Ahead Peak Daily Fixed Price Future | Electricity | IFED | |
| HZB | | ERCOT Houston Load Zone Day-Ahead Peak Fixed Price Future | Electricity | IFED | |
| YGS | | ERCOT Houston Load Zone HE 0100-0600, 2300, 2400, 7x Fixed Price | Electricity | IEPA | |
| YGR | | ERCOT Houston Load Zone HE 1-6, 23, 24, 7x Daily Fixed Price | Electricity | IEPA | |
| YGJ | | ERCOT Houston Load Zone Off-Peak Weekend Daily Fixed Price | Electricity | IEPA | |
| OEH | | ERCOT Houston Load Zone Real-Time Off-Peak Fixed Price Future | Electricity | IFED | |
| EDH | | ERCOT Houston Load Zone Real-Time Peak Fixed Price Future | Electricity | IFED | |
| XQQ | | ERCOT Houston LZ Physical Peak HE 0700-2200 Fixed Price | Electricity | IEPA | |
| XS6 | | ERCOT Houston LZ Physical ATC | Electricity | IEPA | |
| XS5 | | ERCOT Houston LZ Physical ATC Daily Fixed Price | Electricity | IEPA | |
| XRA | | ERCOT Houston LZ Physical Off-Peak Daily Fixed Price | Electricity | IEPA | |
| XQR | | ERCOT Houston LZ Physical Off-Peak Fixed Price | Electricity | IEPA | |
| XOW | | ERCOT Houston LZ Physical Peak HE 0700-2200 Daily Fixed Price | Electricity | IEPA | |
| ENS | | ERCOT Non-Spinning Reserve Future | Electricity | IFED | |
| ERC | | ERCOT North 345 KV Real-Time HE 1800-2200 Fixed Price Future | Electricity | IFED | |
| ERX | | ERCOT North 345KV Day-Ahead 7x8 Fixed Price Future | Electricity | IFED | |
| ED2 | | ERCOT North 345KV Day-Ahead Daily TB2 Fixed Price Future, 7X | Electricity | IFED | |
| NEV | | ERCOT North 345KV Day-Ahead Off-Peak Fixed Price Future | Electricity | IFED | |
| NDB | | ERCOT North 345KV Day-Ahead Peak Daily 80 MWh Fixed Price Future | Electricity | IFED | |
| EVN | | ERCOT North 345KV Day-Ahead Peak Fixed Price Future | Electricity | IFED | |
| TB2 | | ERCOT North 345KV Day-Ahead TB2 Fixed Price Future, 7X | Electricity | IFED | |
| NDC | | ERCOT North 345KV Hub Day-Ahead Off-Peak Daily Fixed Price Future | Electricity | IFED | |
| ERV | | ERCOT North 345KV Hub Day-Ahead Peak 2x16 Fixed Price Future | Electricity | IFED | |
| NDA | | ERCOT North 345KV Hub Day-Ahead Peak Daily Fixed Price Future | Electricity | IFED | |
| YFN | | ERCOT North 345kV Hub HE 0700-2200, 7x Daily Fixed Price | Electricity | IEPA | |
| YFO | | ERCOT North 345kV Hub HE 0700-2200, 7x Fixed Price | Electricity | IEPA | |
| YGV | | ERCOT North 345kV Hub HR HE 0700-2200, 7x | Electricity | IEPA | |
| ERZ | | ERCOT North 345KV Hub Real-Time Daily HE 0700-0900, Fixed Price Future, 7X | Electricity | IFED | |