# Golden Grain Energy LLC ethanol plant, Mason City, IA

Golden Grain Energy LLC fuel ethanol plant, Mason City, IA. 140 million gallons a year (9,132 b/d), #28 of 189 U.S. plants (EIA). 25 fuel terminals within 150 miles, 11 with ethanol handling on record; 26 other plants within 100 miles.

- Capacity: 140 million gallons/year (9,132 b/d), EIA As of January 1, 2026
- Rank: #28 of 189 U.S. fuel ethanol plants; 42 plants in IA
- Position: EIA ethanol plant layer (Jan 2023)

## Fuel terminals within 150 miles
- Magellan Pipeline Company, L.P. (T-42-IA-3465), Clear Lake, IA — 6.4 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-42-IA-3465/
- Growmark (T-42-IA-3461), Duncombe, IA — 53.7 mi — https://thinkingonenergy.com/supply/terminal/T-42-IA-3461/
- Kinder Morgan Liquids Terminals LLC (T-41-MN-3402), Spring Valley, MN — 58.5 mi — https://thinkingonenergy.com/supply/terminal/T-41-MN-3402/
- Magellan Pipeline Company, L.P. (T-42-IA-3474), Waterloo, IA — 62.3 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-42-IA-3474/
- Magellan Pipeline Company, L.P. (T-41-MN-3416), Eyota, MN — 78.3 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-41-MN-3416/
- Magellan Pipeline Company, L.P. (T-41-MN-3413), Mankato, MN — 83.1 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-41-MN-3413/
- Jackson Terminal (T-41-MN-3427), Jackson, MN — 94.8 mi — https://thinkingonenergy.com/supply/terminal/T-41-MN-3427/
- NuStar Pipeline Operating Partnership L.P. - Milford, IA (T-42-IA-3466), Milford, IA — 98.6 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-42-IA-3466/
- Magellan Pipeline Company, L.P. (T-42-IA-3467), Milford, IA — 101.1 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-42-IA-3467/
- Buckeye Terminals, LLC (T-42-IA-3456), Des Moines, IA — 107.7 mi — https://thinkingonenergy.com/supply/terminal/T-42-IA-3456/
- Phillips 66 Pipeline - Pleasant Hill (T-42-IA-3470), Pleasant Hill, IA — 107.9 mi — https://thinkingonenergy.com/supply/terminal/T-42-IA-3470/
- Magellan Pipeline Company, L.P. (T-42-IA-3457), Des Moines, IA — 108.4 mi, ethanol per operator — https://thinkingonenergy.com/supply/terminal/T-42-IA-3457/
- NGL Supply Terminal Company LLC (T-41-MN-3426), Rosemount, MN — 110.8 mi — https://thinkingonenergy.com/supply/terminal/T-41-MN-3426/
- Western Refining Terminals (T-41-MN-3404), St. Paul Park, MN — 120.5 mi — https://thinkingonenergy.com/supply/terminal/T-41-MN-3404/
- Signature Flight Support Corp. (T-41-MN-3420), Minneapolis, MN — 121.2 mi — https://thinkingonenergy.com/supply/terminal/T-41-MN-3420/

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Source: Thinking On Energy Supply Explorer — https://thinkingonenergy.com/supply/ethanol/ethanol-golden-grain-energy-llc-mason-city-ia/
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, 2026-11-13.