# Glacial Lakes Energy LLC ethanol plant, Watertown, SD

Glacial Lakes Energy LLC fuel ethanol plant, Watertown, SD. 148 million gallons a year (9,654 b/d), #25 of 189 U.S. plants (EIA). 16 fuel terminals within 150 miles, 14 with ethanol handling on record; 17 other plants within 100 miles.

- Capacity: 148 million gallons/year (9,654 b/d), EIA As of January 1, 2026
- Rank: #25 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 — 1.5 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-46-SD-3555/
- Magellan Pipeline Company (T-41-MN-3414), Marshall, MN — 70.4 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-41-MN-3414/
- Nustar Pipeline Operating Partnership, L.p. - Wolsey (T-46-SD-3556), Wolsey, SD — 74.7 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-46-SD-3556/
- Nustar Pipeline Operating Partnership, L.p. - Aberdeen (T-46-SD-3550), Aberdeen, SD — 81 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-46-SD-3550/
- Magellan Pipeline (T-46-SD-3554), Sioux Falls, SD — 93.4 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 — 96.2 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-46-SD-3553/
- Magellan Pipeline Company (T-41-MN-3412), Alexandria, MN — 109.3 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-41-MN-3412/
- Nustar Energy Rock Rapids Terminal (T-42-IA-3472), Rock Rapids, IA — 109.8 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-42-IA-3472/
- Nustar - Sauk Centre Terminal (T-41-MN-3401), Sauk Centre, MN — 119.8 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-41-MN-3401/
- Jackson -Ngl (T-41-MN-3427), Jackson, MN — 136.9 mi — https://thinkingonenergy.com/supply/terminal/T-41-MN-3427/
- Nustar Pipeline Operating Partnership, L.p. - Yankton (T-46-SD-3557), Yankton, SD — 138.4 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-46-SD-3557/
- Nustar - Moorhead Terminal (T-41-MN-3400), Moorhead, MN — 138.4 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-41-MN-3400/
- Magellan Pipeline Company (T-45-ND-3501), West Fargo, ND — 138.7 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-45-ND-3501/
- Magellan Pipeline Company, L.P. (T-42-IA-3467), Milford, IA — 140.7 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-42-IA-3467/
- NuStar Pipeline Operating Partnership L.P. - Le Mars, IA (T-42-IA-3464), Le Mars, IA — 142.8 mi — https://thinkingonenergy.com/supply/terminal/T-42-IA-3464/

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Source: Thinking On Energy Supply Explorer — https://thinkingonenergy.com/supply/ethanol/ethanol-glacial-lakes-energy-llc-watertown-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.