Maintenance of Electric Power Generation Facilities – Hydro Government Contracts

PSC Z1MD Service code

Code facts

Spend category
Facilities & Construction Facility Related Services
Contract obligations
$23,272,556 In FY2025

PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.

Market summary

Open opportunities
0 1 notice posted in the last 90 days
Contract awards
2 In the last 12 months
Obligated
$10,267,951 In the last 12 months, net of deobligations

Top buying agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Department of the Interior $9,355,167
2 Department of the Army Department of Defense $912,785

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 JR Merit, Inc. $4,082,069
2 Hartman-Walsh Painting Company $3,664,808
3 Andritz Hydro Corp $1,277,061
4 Souza Construction, Inc. $570,495
5 Sidewinders LLC $380,725
6 IHP Industrial Inc. $215,698
7 Wesco Distribution, Inc. $51,809
8 Brimhall Industrial Inc. $26,918

Contract opportunities

No notices under PSC Z1MD are open now. These are the newest.

Notice Posted Due
Stampede Penstock and Butterfly Valve Rehab Award Notice · Bureau of Reclamation · 140R2026R0006 —
Wolf Creek, Cordell Hull, & Old Hickory Power Plants: VCB Repair Pre-Solicitation · ENDIST Nashville (USACE)
Stampede Penstock and Butterfly Valve Rehab Solicitation · Bureau of Reclamation · 140R2026R0006
WY AL (2) air housing coolers refurbish Award Notice · Bureau of Reclamation · 140R6025Q0069 —
WY AL (2) air housing coolers refurbish Solicitation · Bureau of Reclamation · 140R6025Q0069
Sources Sought Notice Special Notice · Bureau of Reclamation
Vacuum Circuit Breakers (VCB), for CEN and COR Power Plant Solicitation · ENDIST Nashville (USACE)
Raw Water Piping System Replacement, Table Rock Powerhouse Award Notice · ENDIST Little Rock (USACE) · W9127S25C0003 —
Voith Packing Box Assembly for NPP Equipment Special Notice · ENDIST Detroit (USACE)
Grand Coulee Dam Right Power Plant (RPP), Left Power Plant (LPP), Washington Power Plant (WPP) and PGP Battery Room Upgrades, Grand Coulee, Washington, Bureau of Reclamation C-PN Region Award Notice · Bureau of Reclamation —
Engineering and Onsite Field Services Limited / Sole Source Justification · ENDIST Detroit (USACE) —
Raw Water Piping System Replacement, Table Rock Powerhouse Solicitation · ENDIST Little Rock (USACE) · W9127S24R0003
Notice of Intent to Sole Source Brand Name Voith Special Notice · ENDIST Detroit (USACE)
Pre-Solicitation Notice: Raw Water Piping System Replacement, Table Rock Powerhouse Pre-Solicitation · ENDIST Little Rock (USACE)
WY-boysen PP G1 and G2 generator rewinds Solicitation · Bureau of Reclamation · 140R6024R0016
MT-CF powerplant generator task order 3 Award Notice · Bureau of Reclamation —
Grand Coulee Dam RPP, LPP and PGP Battery Room Upg Solicitation · Bureau of Reclamation
Grand Coulee Dam Right Power Plant (RPP), Left Power Plant (LPP), Washington Po Special Notice · Bureau of Reclamation · 140R1024B0002
CT ncao lead paint abatement SC PP U1 RN Award Notice · Bureau of Reclamation —
WY-boysen PP G1 and G2 generator rewinds Pre-Solicitation · Bureau of Reclamation · 140R6024R0016
Grand Coulee Dam Right Power Plant (RPP), Left Power Plant (LPP), Washington Po Pre-Solicitation · Bureau of Reclamation · 140R1024B0002 —
WY-boysen PP G1 and G2 generator rewinds Special Notice · Bureau of Reclamation · 140R6024R0016
WY-boysen PP G1 and G2 generator rewinds Pre-Solicitation · Bureau of Reclamation · 140R6024R0016
Rewire Three Circuit Breaker Panels Pre-Solicitation · Bureau of Reclamation
Administrative Mod to allow lines to be pulled fro Award Notice · Bureau of Reclamation —
Task Order - installation and field testing of the Award Notice · Bureau of Reclamation —
HGRD Valve Replacement for CRA Award Notice · Central Office (BIA) · 140A1622Q0119 —
HGRD Valve Replacement for CRA Solicitation · Central Office (BIA) · 140A1622Q0119
Hgrd servomotor overhaul Award Notice · Central Office (BIA) · 140A1622Q0059 —
Hgrd servomotor overhaul Solicitation · Central Office (BIA) · 140A1622Q0059
Hgrd unit 3 repair Award Notice · Western Region (BIA) —
Minidoka SF 6 Circuit Breaker Gas Services Award Notice · Bureau of Reclamation —
Canyon Ferry Powerplant Generator Rewind Refurbish Award Notice · Bureau of Reclamation —
Penstock Gates Maintenance and Repairs Award Notice · International Boundary and Water Commission U.S.-Mexico · 191BWC21P0085 —
Min SF6 gas removal from breaker Solicitation · Bureau of Reclamation
Cfpp generator rewind rotor refurb Award Notice · Bureau of Reclamation · 140R6021R0012 —
Penstock Gates Maintenance and Repairs Solicitation · International Boundary and Water Commission U.S.-Mexico · 20215201028
Cfpp generator rewind rotor refurb Solicitation · Bureau of Reclamation · 140R6021R0012
Cfpp generator rewind rotor refurb Pre-Solicitation · Bureau of Reclamation · 140R6021R0012 —
BM & CRY - station service, bus, and UNI Solicitation · Bureau of Reclamation · 140R4020R0006
John W. Keys III Pump-Generating Plant Discharge T Award Notice · Bureau of Reclamation —
BM & CRY - station service, bus, and UNI Pre-Solicitation · Bureau of Reclamation · 140R4020R0006
Robert S Kerr Powerhouse Turbine/Generator Rehabilitation Special Notice · ENDIST Tulsa (USACE)
Show all 43

Recent contract awards

Award Awarded Obligated
Construction for coating rehabilitation of the stampede outlet works pipe, penstocks, butterfly valves, and turbines. 140R2026C0011 · JR Merit, Inc. · Bureau of Reclamation $4,082,069
This purchase order is for the refurbishment of three (3) 150VCP-WG-50-3000A vacuum circuit breakers (VCB) in support… W912P526PA035 · Wesco Distribution, Inc. · ENDIST Nashville (USACE) $51,809

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $0
FY2026 $10,267,951
FY2025 $23,272,556
FY2024 $14,530,604
FY2023 $28,021,871
Rank NAICS code Obligated, FY2026–FY2027 Share
1 237110 Water and Sewer Line and Related Structures Construction $7,962,575
2 237990 Other Heavy and Civil Engineering Construction $1,847,556
3 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance $379,093
4 238210 Electrical Contractors and Other Wiring Installation Contractors $51,809
5 238220 Plumbing, Heating, and Air-Conditioning Contractors $26,918

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Washington $4,865,454
2 California $4,082,069
3 Oklahoma $646,910
4 Wyoming $407,643
5 Missouri $215,698
6 Pennsylvania $51,809

Quick answers

What is PSC Z1MD?

PSC Z1MD is Maintenance of Electric Power Generation Facilities – Hydro, a service code in PSC Z, Maintenance, Repair, Alteration Real Property.

How many government contracts for maintenance of electric power generation facilities – hydro are there?

1 notice under PSC Z1MD was posted in the last 90 days, and none are open now. Federal agencies awarded 2 contracts under PSC Z1MD in the last 12 months, obligating $10,267,951.

How much do federal agencies spend under PSC Z1MD?

Federal contracts under PSC Z1MD obligated $23,272,556 in fiscal year 2025 and $76,092,981 in fiscal years 2023 through 2027.

Who are the largest contractors under PSC Z1MD?

The contractors with the most obligated under PSC Z1MD in fiscal years 2026 and 2027 are JR Merit, Inc. ($4,082,069); Hartman-Walsh Painting Company ($3,664,808); and Andritz Hydro Corp ($1,277,061).

Which agencies buy the most under PSC Z1MD?

The agencies that obligated the most under PSC Z1MD in fiscal years 2026 and 2027 are Department of the Interior ($9,355,167) and Department of the Army ($912,785).

Which NAICS codes are used with PSC Z1MD?

The NAICS codes with the most obligated under PSC Z1MD in fiscal years 2026 and 2027 are 237110 Water and Sewer Line and Related Structures Construction, 237990 Other Heavy and Civil Engineering Construction and 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance.

Where is the work under PSC Z1MD performed?

By place of performance, the states with the most contract obligations under PSC Z1MD over the last 12 months are Washington ($4,865,454), California ($4,082,069) and Oklahoma ($646,910).

What is the latest contract opportunity under PSC Z1MD?

The latest contract opportunity under PSC Z1MD is Stampede Penstock and Butterfly Valve Rehab, award notice from Bureau of Reclamation, posted September 22, 2026.

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