Greenway Energy LLC
Hydrogen energy storage systems combining water electrolysis, hydrogen storage, and fuel cells or gas turbines for grid-scale energy storage
- Sector
- Energy
- Headquarters
- Aiken, SC
- Founded
- 2006
- Total capital
- $906K
- Federal grants
- $906K
- 5 awards · 2017–2022
- Rank in peer group#1 of 18
- Private capital raised
- None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- None on recordNo USPTO grants. Applications publish after 18 months.
Capital timeline
Latest events
- Federal grantEnergy · Phase I · 18b MEMBRANES FOR ELECTROCHEMICAL ENERGY STORAGE APPLICATIONS – Polymeric membranes for solar fuels generators -Novel dense-PBI membranes for photoelectrochemical hydrogen production$200K
- Federal grantEnergy · Phase I · Topic 22b - Low-cost, high-performance hydrogen storage technology solutions for fossil-integrated energy storage systems$200K
- Federal grantEnergy · Phase I · Production of Low-cost Hydrogen from Off-shore Wind Power - Efficient and low-cost hydrogen production by wind power driven water electrolysis$200K
- Federal grantEnergy · Phase I · Membranes and Materials for Energy Efficiency; Subtopic c Title: Development of Corrosion Resistant Carbon Support for Ultra-low PGM Catalysts$151K
- Federal grantEnergy · Phase I · Membranes and Materials for Energy Efficiency – Metal Hydride Materials for Compression Metal hydride material development for high efficiency and low cost hydrogen compressors$155K
Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.
Standing among 18 peers
Line = medianEnergy · System
- Federal grants#1 · top 6%
Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.
Founders and team
No founders are linked to this company yet.
Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.
Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026
Claim this profile to add your teamWhat it has protected
No granted patents are on record.
USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.
Checked: USPTO granted patents and published applications · Oct 23, 2026
Related companies, and why
- Alligant Scientific, LLCSimilar federal contract value in Energy · null in contracts
- MVSystems LLCSimilar federal contract value in Energy · null in contracts
- Ourea Energy Inc.Similar federal contract value in Energy · null in contracts
- DIRECT COMBUSTION TECHNOLOGIES, LLCSimilar federal contract value in Energy · null in contracts
- NHU ENERGY, INC.Similar federal contract value in Energy · null in contracts
- SAVD Solar, Inc.Similar federal contract value in Energy · null in contracts
Regulatory activity · Energy
- Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
- List of Approved Spent Fuel Storage Casks: NAC International, Inc., MAGNASTOR® Storage System, Certificate of Compliance No. 1031, Amendment Nos. 16 and 17 and Revisions to Amendment Nos. 0 Through 16Nuclear Regulatory Commission
- Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
- Fluoxapiprolin; Pesticide TolerancesEnvironmental Protection Agency
Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.
Sources
Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.
How to read this page
Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.
Data freshness
SEC Form D filings through . SBIR and STTR awards through .