UPDATED: 04/04/2018 — see Change Log
OWNER: Greenfield Nitrogen LLC
PROJECT: Greenfield ammonia plant
COST (reported): $220 million
JOB CREATION (reported): no data — no Job Openings yet [LINK]
START-UP DATE (reported): 2020
|Ammonia||120,815 stpy||[Membership required]||[Membership required]|
|Units: stpd, stpy, mtpd, mtpy = short/metric tons per day/year.
 United States Geological Survey (USGS) Mineral Yearbook, Nitrogen gives capacity in metric tons per year, calculated as “engineering design capacity adjusted for 340 days per year of effective production capability,” rounded to three significant digits. Source: most recent year, Table 4: Domestic Producers of Ammonia, http://minerals.usgs.gov/minerals/pubs/commodity/nitrogen/.
 Company website.
 [Membership required]. Sources: linked below.
 [Membership required]. See Methodology.
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ADDRESS: Welch Avenue & Highway 18, Garner, IA 50438, United States
- USGS: Minerals Yearbook, Nitrogen [RECENT / ARCHIVE]
- Construction Permitting: Iowa DNR Construction Permits (search: Plant Number 41-02-019)[LINK]
- US Securities and Exchange Commission regulatory filings: EDGAR Search Results, Greenfield Nitrogen LLC, CIK#: 0001673997 [LINK]
- 03/07/2018: Greenfield Nitrogen press release: Greenfield Nitrogen, LLC, to Build Regional Iowa Ammonia Plant Through Grass-roots Ownership [LINK]