N3943016F1803↗

Constellation Energy Solutions, LLC received this contract from Navfac Systems and Exp Warfare CTR, Department of the Navy: $19.06M obligated so far for support- professional: other. It runs to 2034-08-31.

Key facts · data as of Oct 25, 2026

Recipient
Constellation Energy Solutions, LLC
Awarding agency
Department of the Navy (Department of Defense)
Contracting office
Navfac Systems and Exp Warfare CTR (N39430)
Obligated to date
$19.06M
Potential value
$81.37M
Ends
2034-08-31

Source: USAspending.gov prime award records (obligations: money committed, not outlays), data as of Oct 25, 2026.

Cite this page: SpendQuery, Award N3943016F1803, data as of Oct 25, 2026, https://spendquery.com/award?id=CONT_AWD_N3943016F1803_9700_DEAM3609GO29040_8900

IGF::OT::IGF ESPC AT NAVAL STATION GREAT LAKES. CONSTRUCTION AND PERFORMANCE PERIOD SERVICES FOR LIGHTING, WATER AND SEWER, COMMISSIONING, HVAC, BUILDING ENVELOPE, AND RENEWABLE ENERGY SYSTEM IMPROVEMENTS.

Delivery Order · Department of the Navy · to Constellation Energy Solutions, LLC (UEI XVPREJLB2MY6) · data as of 2026-10-25

Obligated to date$19.06M7 actions
Current value$81.37Mwith options exercised
Period2016-02-05 → 2034-08-31current end date

What it is

Product or service
Support- Professional: Other (PSC R499)
Industry
Engineering Services (NAICS 541330)
Contracting office
Navfac Systems and Exp Warfare CTR (N39430)
Competition
Full and open competition · 7 offers received
Pricing
Firm fixed price
How it was bought
Multiple-award IDIQ · under DEAM3609GO29040
Where the work is
Lake, IL · district IL-10

Obligations by fiscal year

FY2023$5.00M
FY2024$4.55M
FY2025$4.69M
FY2026$4.83M

SpendQuery holds FY2023 on; earlier years are on USAspending.gov.

Subcontractors: where the money went next

No subawards reported for this award. Primes report subawards of $30,000 or more; many awards have none.

Every action

7 actions since 2023-03-13. Each is a modification or amendment with the money it added or took back.

DateModificationKindAmountWhat the agency wrote
2026-02-24P00015Funding only$4.83MADMINISTRATIVE ACTION- NOVATION AGREEMENT
2025-12-02P00014Administrative change$0ADMINISTRATIVE ACTION- NOVATION AGREEMENT
2025-05-20P00013Administrative change$0MODIFICATION TO UPDATE WAWF ROUTING TABLE.
2025-02-25P00012Administrative change$4.69MFY25 ANNUAL PAYMENT FUNDING FOR PERFORMANCE PERIOD YEAR EIGHT (8) IN THE AMOUNT OF $ 4,688,259.00
2024-02-01P00011Administrative change$4.55MPERFORMANCE PERIOD
2023-04-25P00010Supplemental agreement (work within scope)$575.0KTASK ORDER N39430-16-F-1803 MODIFICATION P00010 TO INCORPORATE CLAIM SETTLEMENT IN THE AMOUNT OF $575,000.00 FOR ASBCA NO. 62518 AND REVISED TASK ORDER SCHEDULES DATED 10 APRIL 2023.
2023-03-13P00009Administrative change$4.42MESPC FUNDING MODIFICATION FOR FY23 FUNDS FOR PERFORMANCE PERIOD YEAR 6 AT GREAT LAKES DO#2.

Source: USAspending.gov prime award transactions and FSRS subaward reports, as loaded by SpendQuery (data as of 2026-10-25). Amounts are obligations (money committed), not outlays. The official record on USAspending.gov ↗