# Nugen Energy LLC ethanol plant, Marion, SD

Nugen Energy LLC fuel ethanol plant, Marion, SD. 150 million gallons a year (9,785 b/d), #23 of 189 U.S. plants (EIA). 14 fuel terminals within 150 miles, 12 with ethanol handling on record; 16 other plants within 100 miles.

- Capacity: 150 million gallons/year (9,785 b/d), EIA As of January 1, 2026
- Rank: #23 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 Company, L.P. (T-46-SD-3554), Sioux Falls, SD — 24.9 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-46-SD-3554/
- NuStar Pipeline Operating Partnership L.P. - Sioux Falls, SD (T-46-SD-3553), Sioux Falls, SD — 26.9 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-46-SD-3553/
- NuStar Pipeline Operating Partnership L.P. - Yankton, SD (T-46-SD-3557), Yanton, SD — 38.5 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-46-SD-3557/
- NuStar Pipeline Operating Partnership L.P. - Rock Rapids, IA (T-42-IA-3472), Rock Rapids, IA — 54.1 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-42-IA-3472/
- NuStar Pipeline Operating Partnership L.P. - Le Mars, IA (T-42-IA-3464), Le Mars, IA — 66.7 mi — https://thinkingonenergy.com/supply/terminal/T-42-IA-3464/
- Magellan Pipeline Company, L.P. (T-42-IA-3473), Sioux City, IA — 77.3 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-42-IA-3473/
- NuStar Pipeline Operating Partnership L.P. - Wolsey, SD (T-46-SD-3556), Wolsey, SD — 88.1 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-46-SD-3556/
- NuStar Pipeline Operating Partnership L.P. - Norfolk, NE (T-47-NE-3606), Norfolk, NE — 93.4 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-47-NE-3606/
- Magellan Pipeline Company, L.P. (T-41-MN-3414), Marshall, MN — 100.2 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-41-MN-3414/
- Magellan Pipeline Company, L.P. (T-46-SD-3555), Watertown, SD — 100.6 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-46-SD-3555/
- Magellan Pipeline Company, L.P. (T-42-IA-3467), Milford, IA — 103.5 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-42-IA-3467/
- NuStar Pipeline Operating Partnership L.P. - Milford, IA (T-42-IA-3466), Milford, IA — 105.8 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-42-IA-3466/
- Jackson Terminal (T-41-MN-3427), Jackson, MN — 114.5 mi — https://thinkingonenergy.com/supply/terminal/T-41-MN-3427/
- NuStar Pipeline Operating Partnership L.P. - Columbus, NE (T-47-NE-3600), Columbus, NE — 138.1 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-47-NE-3600/

---
Source: Thinking On Energy Supply Explorer — https://thinkingonenergy.com/supply/ethanol/ethanol-nugen-energy-llc-marion-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, 2026-10-23.