OTORO ENERGY INC
Metal chelate flow battery system with proprietary purification apparatus for long-duration grid energy storage
- Sector
- Energy
- Founded
- 2020
- Total capital
- $1.5M
- Federal grants
- $1.5M
- 2 awards · 2024–2025
- Rank in peer group#20 of 47
- 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
- 0
- 7 pending
Capital timeline
Latest events
- Federal grantNSF · Phase II · SBIR Phase II: Flow Battery Electrolyte Purification: Unlocking 24-Hour Storage Potential$1.2M
- Federal grantNSF · Phase I · SBIR Phase I: Low Cost Metal Chelate Flow Battery for Long Duration Energy Storage$275K
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 47 peers
Line = medianEnergy · Device
- Federal grants#20 · top 43%
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 · 0 granted of 7- PendingElectrolyte Compositions With High Buffer ConcentrationsUSPTOApplication 19277123
- PendingAdditives For Ferrocyanide Or Ferricyanide ElectrolytesUSPTOApplication 19210514
- PendingElectrolyte Compositions With High Buffer ConcentrationsUSPTOApplication 63675585
Show all 7 patent records
- Electrolyte Compositions With High Buffer ConcentrationsJan 29, 2026 · Application 19277123Pending
- Additives For Ferrocyanide Or Ferricyanide ElectrolytesNov 20, 2025 · Application 19210514Pending
- Electrolyte Compositions With High Buffer ConcentrationsApplication 63675585Pending
- Methods Of Synthesizing Chelated ChromiumApplication PCTUS2024035841Pending
- Additives For Ferrocyanide ElectrolytesApplication 63648578Pending
- Methods Of Synthesizing Chelated ChromiumApplication 63510871Pending
- Methods Of Synthesizing Chelated ChromiumApplication 19495413Pending
Related companies, and why
- UPOWER, INC.Similar federal contract value in Energy · null in contracts
- EGX ENERGY, INC.Similar federal contract value in Energy · null in contracts
- CarbicSimilar federal contract value in Energy · null in contracts
- Fenix Power, Inc.Similar federal contract value in Energy · null in contracts
- Soelect Inc.Similar federal contract value in Energy · null in contracts
- MALLIKA ASHWIN MAYA CORPORATIONSimilar 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 .