Hydroelectric Design Center Contracting Opportunities Forecast

Published Nov. 17, 2025

Established in 1948 to support new hydroelectric development on the Columbia River, HDC is the U.S. Army Corps of Engineers’ National Center for Expertise in hydroelectric and large pumping plant engineering services. Administratively a part of the Portland District, our office is in downtown Portland, Oregon. 

Our hydropower engineering work is spread throughout the USACE, in nine divisions and 38 districts.

Jordan Fink, Director
Vinnie Diblasi, Deputy Director
Ellen Ballantine, Program Integration & Delivery Branch Chief
Jim Calnon, Mechanical/Structural Branch Chief
John Yen, Electrical Branch Chief
Mark Parrish, Hydropower Analysis Center Chief

 

The information shown is based on the best current estimates HDC has received from our many hydropower partners. Note that all major hydropower contracts are officially managed by a Project Manager at the USACE District indicated. Dates shown are best estimates for contract advertisement and are subject to change.

Turbine and Generator
Location Description Date
Fort Worth: Sam Rayburn – Turbine Rehab 2 Propeller Runner Repl, 180” D, 41,300 HP, 70’ Head, 85.7 RPM FY30
Fort Worth: Sam Rayburn – Generator Rehab 2 Rewinds, 31.5MVA Coils FY27
Little Rock: Bull Shoals – Turbine and Generator Rehab FY28 
  4 Francis Runner Repl, 152.5” D, 52,000 HP, 190’ Head, 128.6 RPM, Potential Uprate  
  4 Francis Runner Repl, 152.5” D, 62,000 HP, 190’ Head, 128.6 RPM  
  4 Rewinds, 54 MVA, Coils  
  4 Rewinds, 54.5 MVA, Coils  
Little Rock: Dardanelle – Cavitation Repairs FY28
Little Rock: Greers Ferry – Generator Rewind, 2 Rewinds, 58,1MVA, Coils FY27
Mobile: Allatoona – Turbine Rehab 2 Francis Runner Repl, 165” D, 50,000 HP, 135’ Head, 112.5 RPM, Potential Uprate FY32
Mobile: West Point – Turbine Rehab 2 Fixed Blade Propeller Repl, 230” D, 51,500 HP, 58’ Head, 100 RPM, Potential Uprate FY30
Mobile: West Point – U1 Generator Rewind 1 Rewind, Francis, 3.75 MVA, Coils FY29
Nashville: Wolf Creek – Turbine and Generator Rehab FY27
  6 Francis Runner Repl w/ DO, 175” D, 62,500 HP, 160 Head, 105.9 RPM, Potential Uprate  
  4 Rewinds, 50 MVA, Coils  
Nashville: Cordell Hull – Turbine and Generator Rehab 3 Kaplan Runner Repl, 290” D, 58,200 HP, 44’ Head, 65.5 RPM, 3 Rewinds, 37MVA, Coils FY29
Omaha: Oahe - Turbine Replacement & Generator Rewind FY31
  7 Francis Runner Replacement, 204” D, 128,500 HP, 185’ head, 100 RPM  
  7 Rewinds, 103 MVA, Coils, Potential Uprate  
Portland: Bonneville – Powerhouse 2 Generator Rehab: Main & Fish 8 Main Unit Rewinds, 70 MVA, 2 Fish Unit Rewinds 13.8 MVA  FY29
Portland: John Day – Fish Turbine Pump Units 2 Francis Runner Repl, ~34” D, 1,050 HP, 83.5’ Head, 525 RPM FY27
Portland: John Day – Turbine Replacement and Generator Rewind Up to 16 Kaplan Runner Repl, 312” D, 212,400 HP, 103’ Head, 90 RPM, Fixed and adjustable blade turbine runners, Improved fish passage turbine design 16 Rewinds, 170 MVA, Bars FY25
Portland: Foster – Turbine Refurbishment 2 Kaplan refurb, 95” D, Refurbish blade operating mechanisms, Generator Slip Ring Repair FY30 or later
Portland: Lost Creek – Generator Rewind 2 Units, 25.8MVA, Coils FY30 or later
Seattle: Albeni Falls – Generator Rewind and Bearing Rehabilitation 3 Units, ~20MVA, Coil FY28
Seattle: Libby – Turbine Runner Replacement and Generator Rewind FY27
  4 Francis Runners, 179” D, 165,000 HP, 300’ Head, 128.6 RPM  
  5 Generator Rewinds, 121 MVA, Coils  
Seattle: Chief Joseph – Generator Rewind Units 17-27 11 Rewinds, Francis, 115 MVA, Bars FY33  
St. Louis: Clarence Cannon – Cavitation Repairs, FY30
Tulsa: Denison – Station Service Units Rehab or Replace 2 600 kW turbines, 480V generators FY29
Tulsa: Keystone – Turbine Rehab 2 Fixed Blade,195.375” D, 49,000 HP, 74’ Head, 120 RPM, Potential Uprate FY29
Tulsa: Eufaula – Generator Rewind 3 Units, 31,579 MVA, Coils, 100 RPM FY27
Walla Walla: Little Goose – Discharge Ring Upgrade and Turbine Blade Cavitation 6 Kaplan, 312” D, 212,400 HP, 90 RPM FY26
Walla Walla: Lower Granite – Blade Sleeve Upgrade 1 Kaplan, 312” D, 212,400 HP, 90 RPM FY26
Walla Walla: Dworshak – Unit 4 Installation & Powerhouse Expansion, 1 new install,
~300MW unit w/ Francis runner, incl. generator
FY28
Excitation System
Location Description Date
Charleston: St. Stephen – Digital Static Excitation System Retrofit 3 Units FY28
Fort Worth: Sam Rayburn – 15kV Switchgear Replacement and Exciters (2 units), FY28
Fort Worth: Sam Rayburn – Digital Static Excitation System Replacement FY28
Little Rock: Beaver – Analog to Digital Static Excitation System Replacement,  2 Units, full system replacement FY26
Little Rock: Greers Ferry – Analog to Digital Static Excitation System Replacement, 2 Units, full system replacement FY26
Little Rock: Table Rock – Analog to Digital Static Excitation System Replacement, 4 Units, full system replacement FY26
Mobile: West Point – Rotating to Digital Static Excitation System Replacement 1 Unit, under investigation FY28
Mobile: Walter F. George – Digital Static Excitation System Retrofit 4 Units FY27
Omaha: Fort Peck – Excitation System Replacement, 2 Units, full system replacement FY26
  3 Units, controls replacement FY26
Portland: Bonneville PH1 – Digital Static Excitation System Controls Replacement, 10 Units, under investigation FY30 or later
Portland: John Day – Digital Static Excitation System Controls Replacement 16 Units, under investigation FY28 or later
Portland: The Dalles – Digital Static Excitation System Replacement 21 Main Units and 2 Fish Units, under investigation FY28
Portland: Willamette Valley (under investigation):  
  Big Cliff – Digital Static Excitation System Controls Replacement FY32
  Cougar – Digital Static Excitation System Replacement 1 Unit FY30, 2 Units
  Dexter – Digital Static Excitation System Replacement 1 Unit FY30
  Detroit – Digital Static Excitation System Controls Replacement, 2 Units FY28
  Foster – Digital Static Excitation System Controls Replacement 2 Units FY33
  Green Peter – Digital Static Excitation System Controls Replacement, 2 Units and 1 Fish Unit FY29
  Hills Creek – Digital Static Excitation System Replacement, 2 Units FY30
  Lookout Point – Digital Static Excitation System Replacement, 3 Units FY30
Portland: Lost Creek – Digital Static Excitation System Replacement 2 Units, under investigation FY30
Savannah: J Strom Thurmond – Digital Static Excitation System Replacement, 7 units FY27
Savannah: Hartwell – Digital Static Excitation System Retrofit, 5 Units FY27
Savannah: Richard B. Russel – Digital Static Excitation System Retrofit, 8 Units FY27
Seattle: Albeni Falls – Digital Static Excitation System Controls Replacement  3 Units, under investigation FY33
Seattle: Chief Joseph – Station Service Digital Static Excitation System Replacement 2 Units FY22
Tulsa: Denison –Digital Static Excitation System Controls Replacement 2 Units FY28
Tulsa: Keystone – Excitation System Replacement FY28
Tulsa: Tenkiller Ferry – Digital Static Excitation System Controls Replacement 2 Units FY30
Tulsa: Webbers Falls – Digital Static Excitation System Controls Replacement 3 Units FY26
Walla Walla: Dworshak – Unit 4 Installation and Powerhouse Expansion, 1 new digital static excitation system supply & install, ~300 MVA main generator FY28
Wilmington: John H. Kerr – Station Service Digital Static Excitation System Retrofit, 2 Units FY27
Wilmington: Philpott – Station Service Digital Static Excitation System Retrofit, 1 Unit FY27
Governor
Location Description Date
Mobile: Buford – Governor Upgrades FY26
Mobile: Walter F. George – Governor Upgrades FY26
St. Louis: Clarence Cannon – Governor Upgrades FY30
Walla Walla: Dworshak – Unit 4 Installation and Powerhouse Expansion, 1 new install FY28
Wilmington: John H. Kerr – Digital Governor Supply Upgrades - 7 main units, 2 station service units FY26
Crane and Hoist
Ft. Worth: Sam Rayburn – Draft Tube Crane Replacement FY26
Kansas City: H.S. Truman – Draft Tube Crane Replacement FY29
Little Rock: Beaver – Bridge Crane Rehab FY25
Little Rock: Bull Shoals – Draft Tube Crane Rehab FY26
Little Rock: Dardanelle – Bridge Crane Replacement FY25
Little Rock: Greers Ferry – Bridge Crane Rehab FY25
Little Rock: Greers Ferry – Draft Tube Crane Rail, Cable, and Trolley Rehab FY26
Little Rock: Table Rock – Bridge Crane Rehab FY26
Mobile: Allatoona – Headgates Machinery and Controls Rehab FY26
Mobile: Buford – Headgates Machinery and Controls Rehab FY26
Mobile: Walter F George – Headgates Machinery and Controls Rehab FY27
Mobile: West Point – Headgates Machinery and Controls Rehab FY27
Omaha: Gavins Point – Intake Crane and Rail Replacement FY25
Portland: Bonneville – Spillway Crane FY25
Portland: John Day – Bridge Crane Rails FY26
Portland: John Day – Tailrace Crane FY28 or later
Portland: The Dalles – Spillway Crane FY28
Portland: The Dalles – Bridge Crane Rails FY29
Portland: Green Peter Bridge Crane FY30
Portland: Lost Creek Bridge Crane FY28
Portland: Detroit Tailrace Gantry Cran FY30
Portland: Hills Creek Intake Gantry Crane Rehabilitation FY30
Savannah: RB Russell - Bridge Crane Rehab FY29
Savannah: RB Russell - Draft Tube Crane Replacement FY27
Seattle: Albeni Falls – Tailrace Crane Rehabilitation FY30
Seattle: Libby – 20-Ton Selective Withdraw Gantry Crane Rehabilitation FY27
SAD: South Atlantic Division (all plants): BTH Lifting Device Compliance FY26
Tulsa: Fort Gibson – Draft Tube Crane Rehab FY29
Tulsa: Fort Gibson – Bridge Crane Rehab FY28
Tulsa: Keystone – Draft Tube Crane Rehab FY29
Walla Walla: Lower Monumental – Bridge Crane Wheel and Drive System Upgrade FY25
Walla Walla: Ice Harbor – Intake Gate Hydraulic System Upgrades FY25
Walla Walla: Lower Granite – Intake Gate Hydraulic System FY25
Walla Walla: Little Goose – Intake Gate Hydraulic System FY26
Walla Walla: Lower Monumental – Intake Gate Hydraulic System FY26
Walla Walla: McNary - Powerhouse Bridge Crane Spare Wheels FY27
Walla Walla: McNary - Replace Spillway Cranes 6 & 7 FY27
Walla Walla: Lower Granite – Tailrace Crane Replacement FY28
Walla Walla: Little Goose – Tailrace Crane Replacement FY30
Walla Walla: Dworshak – Unit 4 Installation and Powerhouse Expansion, Extend existing powerhouse bridge crane rail across powerhouse addition FY28
Walla Walla: Dworshak – Intake Gantry Crane Replacement and Uprate, FY28
Vicksburg: DeGray - Tailrace Crane Rehab,  FY31
Vicksburg: DeGray - Intake Crane Rehab,  FY31
Vicksburg: Blakely Mountain - Intake Crane Rehab FY31
Metal Fabrication (Bulkhead, Gate, Platform)
Location Description Date
Fort Worth: HSS Gates and Bulkheads FY31
Mobile: Allatoona – Headgate and Machinery Rehab FY26
Mobile: Buford – Headgate and Machinery Rehab FY26
Mobile: Walter F. George – Headgate and Machinery Rehab FY27
Mobile: West Point – Headgate and Machinery Rehab FY27
Omaha: Big Bend - Draft Tube Bulkhead FY25
Portland: Bonneville – Headgate Repair Pit Rehab FY25
Portland: Bonneville – B2 Submerged Traveling Screen Rehab FY28
Portland: Bonneville – Spillway Gates FY34
Portland: John Day – Spillway Gate Brakes and Gearboxes FY28
Portland: John Day - Intake Bulkheads FY31
Portland: The Dalles – Tailrace Stoplog Rehab,  FY31
Seattle: Albeni Falls – Intake Gate Replacement FY26
Seattle: Albeni Falls – Intake Gate Rehab FY29
Seattle: Albeni Falls – Trashracks Rehab FY29
Seattle: Chief Joseph – Intake Gates Rehab and Cylinder Replacement FY27
Seattle: Chief Joseph – Turbine Maintenance Platform FY26
Seattle: Libby – Selective Withdrawal Pressure Relief Bulkhead FY29
Tulsa: Broken Bow – Rehab Intake Gates and Controls FY30
Tulsa: Denison – Intake Gates and Hoists Replacement FY29
Tulsa: Fort Gibson – Intake Gates and Hoists FY29
Walla Walla: McNary – Turbine Maintenance Platform FY25
Walla Walla: Ice Harbor – Turbine Maintenance Platform FY25
Walla Walla: Lower Monumental – Draft Tube Bulkhead Replacement FY27
Walla Walla: McNary - Spillway Gate Replacement FY27
Walla Walla: Dworshak - Unit 4 Installation and Powerhouse Expansion, New trash racks, new 19' emergency intake gate, new turbine maintenance platform  FY28
Walla Walla: Ice Harbor - Spillway Gate Rehab FY30
Vicksburg: Narrows - Trashracks FY29
Balance of Plant
Little Rock: Bull Shoals – HVAC System Replacement FY29
Portland: Bonneville – Powerhouse 1 HVAC FY27
Portland: John Day – Powerhouse Floor Drainage Improvements FY24
Portland: John Day – Powerhouse Security System Upgrades FY25
Portland: John Day – Powerhouse Emergency Notification System FY26
Portland: John Day – Vibration and Air Gap Monitoring FY26
Portland: John Day – Synchronous Condensing Reconfiguration FY29
Portland: The Dalles – Station Air System FY25
Seattle: Chief Joseph – HVAC and Controls Upgrades FY30
Seattle: Chief Joseph – Powerhouse Sump Pump and Controls FY24
Walla Walla: Ice Harbor – Powerhouse HVAC System Upgrade FY26
Walla Walla: Little Goose – Powerhouse HVAC System Upgrade FY28
Walla Walla: Lower Monumental – Powerhouse HVAC System Upgrade FY26
Walla Walla: Lower Granite – Heat Pumps / HVAC Upgrade FY28
Fire Suppression & Fire Protection/Detection
Location Description Date
Ft. Worth: Sam Rayburn – Fire Detection System FY28
Kansas City: Stockton – Fire Protection System Replacement FY29
Kansas City: HS Truman – Fire Protection System Replacement FY29
Little Rock Beaver – CO2 System Replacement FY26
Little Rock: Dardanelle – CO2 System Replacement FY25
Little Rock: Greers Ferry – Fire Suppression (clean agent) and Detection FY25
Little Rock: Norfork – Fire Suppression (clean agent) and Detection System Replacement FY25
Little Rock: Ozark – Fire Detection FY26
Little Rock: Table Rock – Fire Detection FY26
Mobile: Buford – Generator Fire Suppression System Replacement FY29
Mobile: Carters – Generator Fire Suppression System Replacement FY30
Mobile: Jones Bluff (RF Henry) – Generator Fire Suppression System FY31
Portland: Bonneville – Transformer Fire Protection FY30
Portland: Bonneville – Generator Fire Protection FY27
Portland: John Day – Transformer Fire Protection FY26
Portland: The Dalles – Generator Fire Protection FY26
Portland: The Dalles – Transformer Fire Protection FY29
Portland: Dexter – Fire Detection/HVAC/Life Safety FY28
Portland: Foster – Fire Detection, HVAC, & Life Safety FY27
Portland: Lost Creek – Fire Detection & Fire Protection FY28
Savannah: Hartwell – Transformer Fire Suppression System FY32
Seattle: Albeni Falls – CO2 Fire Suppression System FY29
Seattle: Chief Joseph – Facility Plant Fire Detection and Protection FY27
Seattle: Libby – CO2 Fire Suppression System FY30
Walla Walla: Dworshak – Transformer Deluge System Modifications FY27
Walla Walla: Ice Harbor – Control Room Life Safety/Fire Alarm System Upgrades FY25
Walla Walla: Ice Harbor – Transformer Deluge Fire Protection System Upgrades FY28
Walla Walla: Little Goose – Control Room Life Safety/Fire Alarm System Upgrades FY26
Walla Walla: Lower Monumental – Control Room Life Safety/Fire Alarm System Upgrades FY27
Walla Walla: Lower Granite – Control Room Life Safety/Fire Alarm System Upgrades FY26
Walla Walla: McNary – Control Room Life Safety/Fire Alarm System Upgrades FY25
Controls
Fort Worth: Whitney – RTU Cabinet Supply and Installation, FY26
Fort Worth: Sam Rayburn – RTU Cabinet Supply and Installation FY27
Fort Worth: Sam Rayburn – SER and Annunciation FY29
Portland: John Day – Control System Upgrade FY28
Portland: The Dalles – Control Room Modernization FY30
Seattle: Chief Joseph – Annunciation and Protective Relays Upgrade FY28
Seattle: Chief Joseph – Powerhouse Control Room Reliability Upgrades FY27
Kansas City: Harry S Truman – Intake Gate Controls FY27
Walla Walla: Little Goose – Powerhouse Controls/Annunciation FY26
Walla Walla: Lower Monumental – Powerhouse Controls/Annunciation FY26
Walla Walla: Ice Harbor – Powerhouse Controls/Annunciation FY28
Walla Walla: Dworshak – Unit 4 Installation and Powerhouse Expansion FY28
Walla Walla: Dworshak – EIM Generation Metering Additions FY28
Vicksburg: Narrows – Unit Relay Replacement FY26
Vicksburg: Blakely Mountain – RTU Cabinet Supply and Installation FY26
Vicksburg: Narrows – RTU Cabinet Supply and Installation FY27
Vicksburg: DeGray – RTU Cabinet Supply and Installation FY28
DC/Preferred AC Systems
Nashville: J Percy Priest – DC/Preferred AC Systems Install FY26
Portland: Bonneville – Powerhouse 1 Preferred AC/DC Improvements FY27
Walla Walla: Dworshak – Unit 4 Installation and Powerhouse Expansion FY28
Electrical Low Voltage (Less than 1,000V)
Location Description Date
Kansas City: Stockton – 480V Switchgear Replacement FY28
Omaha: Fort Peck – PH1 Cubicle Room Switchgear Upgrade FY25
Omaha: Oahe – 480V Station Service Switchgear Replacement FY28
Seattle: Chief Joseph – 480V Station Power SQ 4&5, SU17-27 Replacement FY29
Seattle: Chief Joseph – 480V Station Power DSQ 1&2, SQ1&3 Replacement FY26
Tulsa: Broken Bow – 480V Switchgear and MCC FY30
Tulsa: Eufaula – Motor Control Centers Replacement FY28
Tulsa: Fort Gibson – 480V Switchgear and Transformers FY25
Tulsa: Webbers Falls – 480V Switchgear and MCC FY30
Walla Walla: Dworshak – Unit 4 Installation and Powerhouse Expansion FY28
Vicksburg: Blakely Mountain – 480V Switchgear and MCC FY25
Vicksburg: DeGray – 480V Switchgear and MCC FY26
Vicksburg: Narrows – 480V Switchgear and MCC FY27
Electrical Medium Voltage (More than 1,000V)
Location Description Date
Fort Worth: Sam Rayburn – 15kV Switchgear Replacement and Exciters (2 units) FY28
Fort Worth: Sam Rayburn – Emergency Diesel Generator Replacement FY31
Little Rock: Bull Shoals – Modernization Electrical Install FY27
Little Rock: Ozark – Replace 161-kV Switches FY25
Little Rock: Ozark – Replace 15kV Generator Cables  
Little Rock: Greers Ferry – 15kV Breakers/Switchgear and Station Service Transformer Replacement FY26
Nashville: Old Hickory – Station Service FY28
Portland: Bonneville – Powerhouse 1 Main Unit Breaker Replacement Upgrades FY25
Portland: Bonneville – Powerhouse 1 Isophase Bus/Duct FY30 or later
Portland: Bonneville – Powerhouse 2 Isophase Bus/Duct FY31 or later
Portland: John Day – Isophase Bus & Duct FY27
Portland: John Day – XJ Disconnect Switches FY30
Portland: The Dalles – Isophase Bus & Duct FY28
Portland: Green Peter Main Unit Breakers and Electrical Reliability Upgrades FY26 or later
Portland: Cougar Main Unit Breakers & Electrical Reliability Upgrades FY29
Portland: Hills Creek – Main Unit Breakers and Electrical Reliability Upgrades FY30
Portland: Lost Creek Power Bus FY29
Seattle: Chief Joseph – SF6 Breaker Refurbishment FY28
Seattle: Chief Joseph – XJ Breaker Disconnect FY28
Seattle: Chief Joseph – Isophase Bus Rehab Unit 17-27 FY30
Seattle: Libby – SF6 Breaker Refurbishment FY28
St. Louis: Clarence Cannon – 15kV Breaker Supply  
Tulsa: Denison – Switchyard Power Circuit Breaker Replacement FY27
Vicksburg: Blakely Mountain – Oil Circuit Breaker Replacement Supply FY27
Vicksburg: DeGray – Oil Circuit Breaker Replacement Supply FY27
Vicksburg: Narrows – Oil Circuit Breaker Replacement Supply FY27
Walla Walla: Little Goose – 500kV Transmission Line Configuration Upgrade FY27
Walla Walla: Little Goose – Isophase Bus Reconfiguration FY28
Walla Walla: Lower Monumental – 500kV Transmission Line Configuration Upgrade FY27
Walla Walla: Lower Monumental – Isophase Bus Reconfiguration FY28
Walla Walla: Lower Granite – 500kV Transmission Line Configuration Upgrade FY26
Walla Walla: Lower Granite– Isophase Bus Reconfiguration FY28
Walla Walla: Dworshak – Unit 4 Installation and Powerhouse Expansion FY28
Large Power Transformer
Location Description Date
Kansas City: H.S. Truman – GSU Transformer Supply and Install FY30
Little Rock: Beaver – Transformer Supply and Install FY30
Little Rock: Bull Shoals – T1 through T5 SF6 Transformer Supply and Install FY28
Mobile: West Point – T1 Transformer Replacement FY28
Nashville: Cheatham – GSU Transformer Supply and Install FY29
Omaha: Fort Peck – T4 / T5 Transformer Replacement – Supply FY25
Omaha: Fort Peck – T4 / T5 Transformer Replacement – Install FY27
Omaha: Oahe – GSU Transformer Replacement – Supply FY25
Omaha: Oahe – GSU Transformer Replacement – Install FY27
Portland: John Day – 500 kV GSU Transformer Replacement – Supply FY27
Portland: The Dalles – Main Unit Transformers 9-11 Repair FY25
Portland: The Dalles – Main Unit Transformers 9-11 Replacement Supply FY29
Portland: Dexter – GSU Transformer FY30
Portland: Foster – GSU Transformer FY28
Portland: Lookout Point – GSU Transformers FY29
Seattle: Libby – Transformer Refurbishment (T2) FY28
Tulsa: Keystone – GSU Rehab/Replacement FY30
Walla Walla: Little Goose – Lower Snake River Spare T1+ T2 GSU Supply, 6 single phase 500 kV transformers FY25
Walla Walla: Little Goose – 500 kV Transformer Replacement FY27
Walla Walla: Lower Monumental – 500 kV Transformer Replacement FY27
Walla Walla: Lower Granite – 500 kV Transformer Replacement FY27
Walla Walla: Ice Harbor – Transformer 1-5 Replacement FY28
Walla Walla: Dworshak – Unit 4 Installation and Powerhouse Expansion, 500kV transformer sized to new ~300MVA main unit generator FY28
Walla Walla: Dworshak – Transformer TW1, T1 Replacement, 3 single phase 500 kV transformers 1 three phase 115 kV transformer FY30
Wilmington: Island Creek – Transformer Supply FY24
Wilmington: Island Creek – Transformer Switchyard Install FY26
Turbine Oil Accountability and Replacement
Location Description Date
Portland: Big Cliff – Powerhouse Oil Spill Prevention System FY28
Portland: The Dalles – Oil Accountability Measures FY25
Coolers, Piping, and Large Valves
Location Description Date
Little Rock: Bull Shoals – Generator Cooling Water Modulator Valves & Pipe Coating FY28
Little Rock: Bulls Shoals – Penstock Fill Valves FY28
Portland: John Day – Unwatering System Replacement FY27
Seattle: Albeni Falls – Generator Coolers, 3 Units FY28
Seattle: Albeni Falls – Generator Thrust Bearing Coolers, 3 Units FY30
Tulsa: Broken Bow – Generator Air Cooler Piping Replacement, FY26
Tulsa: Denison – Penstock/Expansion Joint and Drain Valve FY28
Tulsa: Fort Gibson – Cooling Water Piping, Strainers, Valves FY29
Tulsa: Keystone – Unit 2 Penstock Expansion Joint FY28
Tulsa: Tenkiller Ferry – Generator Air Cooler and Piping Replacement FY29
Vicksburg: Blakely Mountain – Butterfly Valve Rehab FY29
Walla Walla: Dworshak Emergency Gate Cylinder Seals and Piping Upgrade FY28
Walla Walla: Dworshak – Unit 4 Installation and Powerhouse Expansion FY28

This information is provided to serve as a reference for potential contracting and subcontracting opportunities from the U.S. Army Corps of Engineers. The information is subject to change without notice.
 


Contact
Maura Timmermann
(402) 370-0095
maura.j.timmermann@usace.army.mil