# High heat restricts ethanol production, margins solid - Brownfield Ag News

> EIA data show US ethanol production averaged 1.089 million barrels per day, down 28,000 on the week due to high temperatures reducing plant efficiency but up 17,000 year over year. Ethanol stocks rose 323,000 barrels to 25.121 million, and Iowa plant margins remain positive.

- Date: 2026-08-19 · published 2026-08-19T12:00:00.000Z
- Category: report · region US · magnitude low
- Page: https://feedsoft.ai/events/17902-high-heat-restricts-ethanol-production-margins-solid-brownfield-ag-news
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [DDGS](https://feedsoft.ai/c/DDGS.md)

## Why it matters

Steady production and positive margins support ongoing corn grind and DDG output. Heat-related efficiency losses are a minor short-term drag on supply.

## Read by commodity

- CORN: neutral
- DDGS: neutral

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2024-05-15 | [Ethanol production, stocks creep higher - Brownfield Ag News](https://feedsoft.ai/events/30242-ethanol-production-stocks-creep-higher-brownfield-ag-news.md) | +0.8% | +5.1% |
| CORN | 2025-11-19 | [U.S. ethanol production and stocks rise as plant margins tighten - Brownfield Ag News](https://feedsoft.ai/events/21947-u-s-ethanol-production-and-stocks-rise-as-plant-margins-tighten-brownfield-ag.md) | -2.0% | +0.1% |
| CORN | 2024-02-07 | [U.S. ethanol production, supply up on week - Brownfield Ag News](https://feedsoft.ai/events/31670-u-s-ethanol-production-supply-up-on-week-brownfield-ag-news.md) | -1.1% | +0.3% |
| CORN | 2023-12-13 | [Ethanol production modestly lower, stocks grow - Brownfield Ag News](https://feedsoft.ai/events/32674-ethanol-production-modestly-lower-stocks-grow-brownfield-ag-news.md) | +1.1% | +0.4% |
| CORN | 2025-03-05 | [Ethanol production improves, stocks tighten - Brownfield Ag News](https://feedsoft.ai/events/25563-ethanol-production-improves-stocks-tighten-brownfield-ag-news.md) | +3.5% | +6.0% |

## Sources

- brownfieldagnews.com: https://www.brownfieldagnews.com/news/high-heat-restricts-ethanol-production-margins-solid/

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.