# Grain Processing Corp ethanol plant, Washington, IN

Grain Processing Corp fuel ethanol plant, Washington, IN. 37 million gallons a year (2,414 b/d), #177 of 189 U.S. plants (EIA). 40 fuel terminals within 150 miles, 1 with ethanol handling on record; 6 other plants within 100 miles.

- Capacity: 37 million gallons/year (2,414 b/d), EIA As of January 1, 2026
- Rank: #177 of 189 U.S. fuel ethanol plants; 15 plants in IN
- Position: EIA ethanol plant layer (Jan 2023)

## Fuel terminals within 150 miles
- ERPC Princetown (T-35-IN-3232), Oakland City, IN — 17.5 mi — https://thinkingonenergy.com/supply/terminal/T-35-IN-3232/
- Countrymark Cooperative LLP - Switz City (T-35-IN-3237), Switz City, IN — 29.5 mi — https://thinkingonenergy.com/supply/terminal/T-35-IN-3237/
- Mplx Robinson Terminal (T-37-IL-3360), Robinson, IL — 36.7 mi — https://thinkingonenergy.com/supply/terminal/T-37-IL-3360/
- Robinson Refining Logistics (T-37-IL-3374), Robinson, IL — 37.2 mi — https://thinkingonenergy.com/supply/terminal/T-37-IL-3374/
- Mplx Evansville (T-35-IN-3207), Evansville, IN — 50.4 mi — https://thinkingonenergy.com/supply/terminal/T-35-IN-3207/
- Transmontaigne Product Services Incorporated - Evansville Terminal (T-35-IN-3213), Evansville, IN — 50.7 mi — https://thinkingonenergy.com/supply/terminal/T-35-IN-3213/
- Transmontaigne Product Services Incorporated (T-61-KY-3279), Henderson, KY — 55.9 mi — https://thinkingonenergy.com/supply/terminal/T-61-KY-3279/
- Southern States Cooperative River Terminal (T-61-KY-3280), Owensboro, KY — 58.9 mi — https://thinkingonenergy.com/supply/terminal/T-61-KY-3280/
- Transmontaigne Product Services Incorporated - Owensboro Terminal (T-61-KY-3283), Owensboro, KY — 59.7 mi — https://thinkingonenergy.com/supply/terminal/T-61-KY-3283/
- Country Mark Coop - Mount Vernon (T-35-IN-3214), Mount Vernon, IN — 60.8 mi — https://thinkingonenergy.com/supply/terminal/T-35-IN-3214/
- Marathon - Mount Vernon Terminal (T-35-IN-3239), Mount Vernon, IN — 61.6 mi — https://thinkingonenergy.com/supply/terminal/T-35-IN-3239/
- Omega Partners Iii, LLC (T-61-KY-3265), Henderson, KY — 61.7 mi — https://thinkingonenergy.com/supply/terminal/T-61-KY-3265/
- Buckeye Terminals, LLC - Effingham (T-37-IL-3368), Effingham, IL — 79 mi — https://thinkingonenergy.com/supply/terminal/T-37-IL-3368/
- Buckeye Terminal, LLC - Louisville (T-61-KY-3269), Louisville, KY — 79.1 mi — https://thinkingonenergy.com/supply/terminal/T-61-KY-3269/
- Transmontaigne Product Services Incorporated - Kentuckiana (New Albany) (T-35-IN-3212), New Albany, IN — 79.2 mi, ethanol per research — https://thinkingonenergy.com/supply/terminal/T-35-IN-3212/

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Source: Thinking On Energy Supply Explorer — https://thinkingonenergy.com/supply/ethanol/ethanol-grain-processing-corp-washington-in/
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, 2026-09-30.