VoltaGrid LLC
Hybrid power generation system combining multiple energy sources with patent-pending technology
- Sector
- Energy
- Headquarters
- BELLAIRE, TX
- Founded
- 2020
- Latest Form D
- $45M offered, Nov 2020
- Total capital
- $15M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $15M
- 2 Form D · last Nov 2020
- 71 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 8
- 20 pending · first 2025
- Rank in peer group#18 of 166
Capital timeline
Latest events
- Offering registeredForm D · SEC · 2nd filing$45M
- Private capital raisedForm D · SEC · 1st filing$15M
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 166 peers
Line = medianEnergy · System
- Granted patents#18 · top 11%
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
Researcher links verified by same-company patents and grants- Nathan OughResearcherExecutive Officer, DirectorLinked by 6 patents
What it has protected
USPTO · 8 granted of 28- PendingMobile Refrigeration UnitUSPTOApplication 19557897
- GrantedDisplay Screen With Transitional Graphical User InterfaceUSPTOUS D1,130,465
- PendingModular Gas Processing SystemUSPTOApplication 19428992
Show all 28 patent records
- Mobile Refrigeration UnitJul 16, 2026 · Application 19557897Pending
- Display Screen With Transitional Graphical User InterfaceJun 16, 2026 · US D1,130,465Granted
- Modular Gas Processing SystemApr 23, 2026 · Application 19428992Pending
- Power Generation System With Synchronous CondenserApr 14, 2026 · US 12,603,549Granted
- Mobile Refrigeration UnitMar 31, 2026 · US 12,589,351Granted
- Display Screen With Transitional Graphical User InterfaceMar 24, 2026 · US D1,119,917Granted
- Display Screen With Transitional Graphical User InterfaceMar 24, 2026 · US D1,119,982Granted
- Power Generation System With Synchronous CondenserFeb 26, 2026 · Application 19244542Pending
- Modular Gas Processing SystemJan 13, 2026 · US 12,521,669Granted
- Mobile Hybrid MicrogridDec 16, 2025 · US 12,500,423Granted
- Mobile Gas Storage SystemMay 8, 2025 · Application 18935797Pending
- Common Bus Switchgear For Mobile Hybrid Micro-gridsMar 25, 2025 · US 12,261,417Granted
- Flexible Drivetrain For Mobile GeneratorNov 14, 2024 · Application 18654874Pending
- Common Bus Switchgear For Mobile Hybrid Micro-gridsAug 22, 2024 · Application 18635326Pending
- Coordinated Generation, Transmission, And Utilization Of Electric Power Among Geographically Remote LocationsSep 1, 2022 · Application 17748543Pending
- Energy Storage For Hybrid Mobile MicrogridJan 27, 2022 · Application 17385579Pending
- Energy Storage For Hybrid Mobile MicrogridApplication PCTUS2021043200Pending
- Common Bus Switchgear For Mobile Hybrid Micro-gridsApplication PCTUS2021043181Pending
- Electric Natural Gas Mobile Refrigeration UnitApplication 63153067Pending
- Energy Storage for Hybrid Mobile MicrogridApplication 63056370Pending
- Flexible Drivetrain For Mobile GeneratorApplication PCTUS2024028314Pending
- Common Bus Switchgear for Mobile Hybrid Micro-GridsApplication 63056362Pending
- Mobile Gas Storage SystemApplication 63597148Pending
- Modular Gas Processing SystemApplication PCTUS2022079856Pending
- Power Generation System With High Frequency Load ManagementApplication 63685118Pending
- Mobile Gas Storage SystemApplication PCTUS2024054340Pending
- Power Generation System With High Frequency Load ManagementApplication 63797717Pending
- Power Generation System With Synchronous CondenserApplication PCTUS2025041652Pending
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- ALTERNATIVE AVIATION FUELS LLCSimilar federal contract value in Energy · null in contracts
- MO-SCI Corp.Similar federal contract value in Energy · null in contracts
- NANODIAN, INC.Similar federal contract value in Energy · null in contracts
- ALLOPARTIS BIOTECHNOLOGIES, 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 .