Contract GS21F0139V

Constellation Energy Solutions, Llc · General Services Administration · September 3, 2009

Fixed Price With Economic Price AdjustmentFull & Open CompetitionNAICS 541618

Constellation Energy Solutions, Llc was awarded a federal contract by General Services Administration (Federal Acquisition Service) on September 3, 2009 for an undisclosed amount of work in other management consulting services. It was awarded under full and open competition. The contract has been modified 72 times since the base award It uses firm fixed-price contract pricing. The most recent modification was on April 8, 2026. If all options are exercised, the contract could reach $37.37 million.

Potential value
$37.37M
if all options exercised
Modifications
72
Latest April 8, 2026

Contract details

PIID
GS21F0139V
Award type
Pricing
Fixed Price With Economic Price Adjustment
Set-aside
No Set Aside Used.
Competition
Full And Open Competition
NAICS
541618 · Other Management Consulting Services
Product / service
Maint/Repair/Rebuild Of Equipment- Service And Trade Equipment
First action
September 3, 2009
Latest action
April 8, 2026

Description

FEDERAL SUPPLY SCHEDULE CONTRACT

Modification timeline

  • April 8, 2026
    Mod PSA914
    $0
  • March 26, 2026
    Mod PS0047
    $0
  • December 5, 2025
    Mod PSA907
    $0
  • September 6, 2025
    Mod PSA905
    $0
  • July 22, 2025
    Mod PSA904
    $0
  • June 11, 2025
    Mod PSA897
    $0
  • April 30, 2025
    Mod PS0046
    $0
  • April 25, 2025
    Mod PSA893
    $0
  • March 25, 2025
    Mod PO0045
    $0
  • January 22, 2025
    Mod PSA888
    $0

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Frequently asked questions

What is contract GS21F0139V?

Contract GS21F0139V is a federal contract awarded to Constellation Energy Solutions, Llc by General Services Administration on September 3, 2009 for an undisclosed amount of work classified under OTHER MANAGEMENT CONSULTING SERVICES. It has been modified 72 times since the base award.

Who won contract GS21F0139V?

Constellation Energy Solutions, Llc won contract GS21F0139V from General Services Administration.

How much is contract GS21F0139V worth?

Contract GS21F0139V has obligated $0 to date but carries a potential ceiling of $37.37 million if fully funded and all options are exercised.