GovChime
UEI: HXVYJL2C8DY8 • CAGE: 1UZE7

PROTON ENERGY SYSTEMS INC (CT)

DBA: NEL HYDROGEN US

Registration and award facts

SAM.gov registration as of

Net obligations since FY2008
$18.20M
$18,197,107under this UEI
FY2026 obligations
$850.16K
$850,159Provisional
Awards and orders
113
with positive net obligations2 IDV vehicles held
Latest action
Sep 23, 2026
SAM.gov registration
Active
Registration expiration date Dec 23, 2026

Registration

Doing business as
NEL HYDROGEN US
Entity structure
Corporate Entity (Not Tax Exempt)
Business start date
Aug 16, 1996 (30 years)
Location
Wallingford, CT
State of incorporation
Delaware

† FY2026 obligations (provisional; DoD awards signed after Jul 28, 2026 are not yet public).

Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 28, 2026 are not yet public.

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI HXVYJL2C8DY8. GovChime does not check exclusions.

Performance

Net obligations recorded under this UEI since FY2008. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.

Net obligations by fiscal year of action

  • FY2026: $850,159 (provisional)
  • FY2025: $414,630
  • FY2024: $96,117
  • FY2023: $144,482
  • FY2022: $223,808
  • FY2021: $86,028
  • FY2020: $252,352
  • FY2019: $666,614
Show all 19 years
  • FY2018: $536,173
  • FY2017: $500,101
  • FY2016: $597,946
  • FY2015: $1,169,025
  • FY2014: $1,103,928
  • FY2013: $1,601,703
  • FY2012: $3,220,970
  • FY2011: $3,137,591
  • FY2010: $354,146
  • FY2009: $93,603
  • FY2008: $3,147,732

Total across 19 fiscal years: $18,197,107

Top awarding agencies

Top awarding sub-agencies

Top NAICS by obligations

Top product and service codes by obligations

  • AC43R&d- defense system: tank/automotive (advanced development)$5,016,882, 27.6%
  • AG92Other energy (applied/exploratory)$2,652,000, 14.6%
  • 6115Generators and generator sets, electrical$2,228,398, 12.2%
  • 6660Meteorological instruments and apparatus$1,798,091, 9.9%
  • 6640Laboratory equipment and supplies$1,691,531, 9.3%

Capabilities

NAICS codes

SBA certifications

No certification in the SBA profile data.

Capabilities & Services

Hydrogen Generators Water Electrolyzer Lab Gas

Contracts

Latest awards and orders

  1. 1333MH26P0041Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
  2. 1305M226P0236Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
  3. 1305M226P0180Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
  4. 1305M326F0113Delivery orderunder an indefinite delivery contract (IDC)Department of CommerceNational Oceanic and Atmospheric AdministrationLatest action
  5. 1305M226P0145Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
  6. 1305M326D0003Indefinite delivery contract (IDC)VehicleDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
  7. 1305M226P0131Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
  8. 1305M225P0182Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
  9. 1305M325P0168Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
  10. W911QX26PA019Purchase orderDepartment of DefenseDepartment of the ArmyLatest action

Contact Info

As of . Source: SAM.gov Points of Contact.

SAM.gov registration for PROTON ENERGY SYSTEMS INC lists a physical address and a separate mailing address, along with 5 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.

Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).

Physical Address

10 TECHNOLOGY DR

WALLINGFORD, CT, 06492

USA

Mailing Address

10 TECHNOLOGY DRIVE

WALLINGFORD, CT, 06492

USA

Government Business Contact

KENNETH KELLY

ACCOUNTING SUPERVISOR

10 TECHNOLOGY DRIVE

WALLINGFORD, CT, 06492

USA

Electronic Business Contact

JARROD GREENSPAN

CONTROLLER

10 TECHNOLOGY DRIVE

WALLINGFORD, CT, 06492

USA

Past Performance Contact

JARROD GREENSPAN

CONTROLLER

10 TECHNOLOGY DRIVE

WALLINGFORD, CT, 06492

USA

Government Business Alternate Contact

JARROD GREENSPAN

CONTROLLER

10 TECHNOLOGY DRIVE

WALLINGFORD, CT, 06492

USA

Electronic Business Alternate Contact

NOREEN ALLEN

ACCOUNTING MANAGER

10 TECHNOLOGY DRIVE

WALLINGFORD, CT, 06492

USA

Additional Details

As of . Source: SAM.gov Entity Registration.

PROTON ENERGY SYSTEMS INC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires December 23, 2026.

Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.

Compliance & Risk Assessment

Source: SAM.gov FAR responses

Suspension/Debarment Status

SAM.gov registration reports no active exclusion

Public Display

Entity information is publicly displayed

Disaster Relief Registry

Not registered for disaster relief

Bonding Information

No bonding information provided

EDI

Not declared in SAM.gov

Business Structure

Source: SAM.gov
Profit Structure:For Profit Organization
Organization:Manufacturer of Goods

Registration Details

Source: SAM.gov

Initial Registration

Aug 17, 2001

Last Update

Dec 25, 2025

Registration Activation

Active — Dec 25, 2025

Fiscal Year End

1231

Country of Incorporation

USA

Congressional District

03