# POET Biorefining - Big Stone LLC ethanol plant, Big Stone City, SD

POET Biorefining - Big Stone LLC fuel ethanol plant, Big Stone City, SD. 105 million gallons a year (6,849 b/d), #68 of 189 U.S. plants (EIA). 14 fuel terminals within 150 miles, 13 with ethanol handling on record; 14 other plants within 100 miles.

- Capacity: 105 million gallons/year (6,849 b/d), EIA As of January 1, 2026
- Rank: #68 of 189 U.S. fuel ethanol plants; 16 plants in SD
- Position: EIA ethanol plant layer (Jan 2023)

## Fuel terminals within 150 miles
- Magellan Pipeline (T-46-SD-3555), Watertown, SD — 39.9 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-46-SD-3555/
- Magellan Pipeline Company (T-41-MN-3412), Alexandria, MN — 68.1 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-41-MN-3412/
- Magellan Pipeline Company (T-41-MN-3414), Marshall, MN — 68.2 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-41-MN-3414/
- Nustar - Sauk Centre Terminal (T-41-MN-3401), Sauk Centre, MN — 80.4 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-41-MN-3401/
- Nustar Pipeline Operating Partnership, L.p. - Aberdeen (T-46-SD-3550), Aberdeen, SD — 98.2 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-46-SD-3550/
- Nustar - Moorhead Terminal (T-41-MN-3400), Moorhead, MN — 108.7 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-41-MN-3400/
- Magellan Pipeline Company (T-45-ND-3501), West Fargo, ND — 110.6 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-45-ND-3501/
- Nustar Pipeline Operating Partnership, L.p. - Wolsey (T-46-SD-3556), Wolsey, SD — 114.7 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-46-SD-3556/
- Magellan Pipeline (T-46-SD-3554), Sioux Falls, SD — 121.9 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-46-SD-3554/
- Nustar Pipeline Operating Partnership, L.p. - Sioux Falls (T-46-SD-3553), Sioux Falls, SD — 124 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-46-SD-3553/
- Nustar Energy Rock Rapids Terminal (T-42-IA-3472), Rock Rapids, IA — 129.9 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-42-IA-3472/
- Jackson -Ngl (T-41-MN-3427), Jackson, MN — 139 mi — https://thinkingonenergy.com/supply/terminal/T-41-MN-3427/
- Magellan Pipeline Company (T-41-MN-3413), Mankato, MN — 143.6 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-41-MN-3413/
- Magellan Pipeline Company, L.P. (T-42-IA-3467), Milford, IA — 148.1 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-42-IA-3467/

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Source: Thinking On Energy Supply Explorer — https://thinkingonenergy.com/supply/ethanol/ethanol-poet-biorefining-big-stone-llc-big-stone-city-sd/
Built from published FERC pipeline tariffs, EIA-820, the IRS Terminal Control Number list and sourced research. Rates are line-haul only. Cite as: Thinking On Energy, Supply Explorer, 2026-10-01.