VOLTA ENERGY INC
Green hydrogen electrolyzer stack that performs low-temperature electrolysis using impure water (tap, brackish, seawater) without requiring purification preprocessing
- Sector
- Clean tech
- Headquarters
- Worcester, MA
- Total capital
- $475K
- Federal grants
- $475K
- 2 awards · 2023–2024
- Rank in peer group#6 of 35
- 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
- 3
- 7 pending · first 2016
- Rank in peer group#3 of 35
Capital timeline
Latest events
- Federal grantNSF · Phase I · SBIR Phase I: A Novel High Voltage, All-Solution, All-Iron Flow Battery (AIFB) for Long-Duration Energy Storage$275K
- Federal grantEnergy · Phase I · An Integrated Water Electrolyzer with Pervaporation Membrane for Impure Water Feeds$200K
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 35 peers
Line = medianClean tech · Device
- Federal grants#6 · top 17%
- Granted patents#3 · top 9%
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
USPTO · 3 granted of 10- PendingWater Electrolyzer With Cation Exchange MembraneUSPTOApplication 19424637
- PendingWater ElectrolyzerUSPTOApplication 19197032
- PendingElectrochemical Cell And Method For Carbon Capture With Energy StorageUSPTOApplication 18620661
Show all 10 patent records
- Water Electrolyzer With Cation Exchange MembraneJun 18, 2026 · Application 19424637Pending
- Water ElectrolyzerNov 6, 2025 · Application 19197032Pending
- Electrochemical Cell And Method For Carbon Capture With Energy StorageSep 19, 2024 · Application 18620661Pending
- Electrochemical Cell And Method For Carbon Capture With Energy StorageApr 2, 2024 · US 11,949,139Granted
- Smart-Grid Adaptive Power Management Method and System With Power Factor Optimization and Total Harmonic Distortion ReductionJan 7, 2020 · US 10,530,156Granted
- Smart-Grid Adaptive Power Management Method and System With Power Factor Optimization and Total Harmonic Distortion ReductionSep 20, 2016 · US 9,448,577Granted
- Water Electrolyzer With Cation Exchange MembraneApplication 63735540Pending
- Water Electrolyzer With Cation Exchange MembraneApplication PCTUS2025060261Pending
- Water ElectrolyzerApplication PCTUS2025027443Pending
- Electrochemical Cell And Method For Carbon Capture With Energy StorageApplication PCTUS2021060825Pending
Related companies, and why
- Nevoya, Inc.Similar federal contract value in Clean tech · null in contracts
- Addis Energy, Inc.Similar federal contract value in Clean tech · null in contracts
- RevaTerra Inc.Similar federal contract value in Clean tech · null in contracts
- RemoraSimilar federal contract value in Clean tech · null in contracts
- RESET WATER LLCSimilar federal contract value in Clean tech · null in contracts
- CADENS, LLCSimilar federal contract value in Clean tech · null in contracts
Regulatory activity · Clean tech
- 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
- Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
- Fluoxapiprolin; Pesticide TolerancesEnvironmental Protection Agency
- Chlormequat Chloride; 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 .