San Diego, CA March 22, 2013 Black River Generation – Retrofit Project Biomass Power Association Annual Conference
Mar 31, 2015
San Diego, CA March 22, 2013
Black River Generation – Retrofit Project
Biomass Power Association Annual Conference
Fast Facts
• Inside the fence at U.S. Army installation Fort Drum, near Watertown, NY
• 60 MW generating capacity
• Idled coal-burning facility• Purchased by ReEnergy December 2011• Selected to sell RECs through 10-year
contract with NYSERDA
• Supported by local governments with PILOT
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Fast Facts
• Priority project of North Country Regional Economic Development Council, which approved $30M tax-exempt bond volume cap
• Site visits by Governor Cuomo and Assistant Secretary of Army Hammack
• Eligible for 1603 grant program• Partnered with SUNY ESF in USDA grant to
commercialize shrub willow project• Goal to secure PPA with Army for 100% of Fort
Drum’s energy needs
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Economic Benefits
• 178 construction jobs• 33 full-time jobs at facility• Approximately 145 jobs in the forest• Additional spin-off jobs
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Environmental Benefits
• Reduced emissions compared to prior use• New cooling tower to reduce water use and
thermal discharge into Black River
• Reduce limestone usage
• SFI fiber sourcing certification
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Fuel Supply
• $11 million/year in green wood purchases• Expansion of innovative equipment
leasing program• Integration of alternative fuels
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Retrofit
• $34 million invested• Commenced Summer 2012• General Contractor: Cianbro Corporation• Daily on-site head count as high as 190
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Retrofit: New Fuel Receiving/Handling Equipment
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Retrofit:Construction of Cooling Tower
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• Addition of the Cooling TowerReduces withdrawal from the Black RiverFrom 30,000gpm to <5,000gpmReduces thermal discharge back to riverReduces environmental footprintLess disruptive to local ecosystem
Retrofit:Control Room Upgrades
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• $1.5 million DCS upgrade• Latest technology – Invensys/Foxboro DCS
System• More centralized control of entire facility• Updated trending and monitoring systems
Retrofit:Boilers
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• Three Pyropower/Ahlstrom circulating fluidized bed boilers• Upgraded emission controls• Upgraded flue gas path• Upgraded bottom ash system• Addition of vortex finders in CFBs• Complete overhaul of entire unit and all
associated auxiliary components
Retrofit: Turbine Generator
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• Complete overhaul of unit and all associated auxiliary components
Retrofit:Site Work
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• Previous delivery of coal fuel was by rail• Deliveries of biomass by truck• New signal light to be installed to improve traffic
flow
• New roadways
• New weigh system
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• Existing coal bins modified to accept biomass wood chips
• Center screw reclaimer system inside modified coal bins
• New drag cain conveyor and rotary valve feed system
Retrofit:Fuel Feed System
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Timetable
• Fuel deliveries began in February• Boiler tests to begin week of March 25th • Commercial operations in late April
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Thank You