New Hampshire's North Country consists of hundreds of miles of pristine natural beauty while offering excellent business opportunities for small, growing businesses. There is available office and industrial space from 1,000sf to 500,000 square feet in towns such as Lancaster, Whitefield, Groveton, Colebrook, Dixville Notch, Berlin, and Gorham New Hampshire. The region offers a skilled and available work force and easy access to rail services, as well as targeted incentives such as COOS County Job Creation Tax Credit.  See our new brochure for more details on the benefits of the north country.  Click Here...

Listed below are examples of larger properties for sale or lease that can be subdivided—both are paper mills and located in Groveton, New Hampshire.  There are special state and federal grants related to this site for training and hiring new workers. For further information, contact Michael Bergeron at 603-271-2591.

Wausau Paper Plant For Sale

Groveton, New Hampshire

Overview

Location

The plant is approximately one hour from the Canadian border with reasonable access to Interstate 91 in Vermont and 202 in Maine.

The current facility’s electric plant has three (3) generation units installed and operational:

·          7.2 MW Solar Taurus 70 Combustion Turbine Genset firing natural gas only (CT)

·          6 MW GE Double Extraction Steam Turbine Generator (ST).

·          1 MW Caterpillar 3508B Black Start Diesel Generator (BSD).

 The current facility’s steam plant has tow (2) boilers installed and operational:


              ·          170,000 #/hr ERI Heat Recovery Steam Generator (HRSG).  The HRSG has a Verloop duct burner firing natural gas only.

              ·          180,000 #/hr #1 Boiler.  #1 Boiler can burn natural gas, no 2 fuel oil and no. 6 fuel oil. Formally a biomass boiler

The following will attempt to describe the operation of the electric and steam plant.

                ST

The stream turbine is a single extraction backpressure unit that inputs 400# steam, extracts 125#, and exhausts 30# steam. The unit once started it fully automated controlled by the ABB DCS.  The unit autosynchronizes through the ABB DCS across breaker A1.  In normal operation, the KW output varies dependent on the extraction loads and the KVAR output is controlled by the DCS. The generation capability is dependent on the 125# and 30# steam loads in the mill.

 CT

The combustion turbine fires natural gas only and the exhaust gases go into a 170,000 pph HRSG generating 400# steam.  The unit is normally run maxed out.  The turbine control system is capable of running to a KW setpoint that comes from the ABB DCS. KVAR output is also controlled by the DCS.  When ambient temperatures are warm. The unit maxes out on what is called T5, internal combustion temperature.  The generation capability is highly temperature dependent.  The unit is fully automated and can be run remotely as well as locally.  Autosynchronization across breaker F1 is controlled by the turbine control system.

 Electric Utility (PSNH)

The electric plant runs in parallel with the electric utility, Public Service of New Hampshire (PSNH). The line runs from the mill to PSNH substation at Lost Nation.  The line can handle approximately 20 MW. When ambient temperatures are not to hot, the plant slightly exports real power and automatically controls reactive power at zero.  When ambient temperatures are high or either the CT or the ST is down, electricity is purchased from PSNH at Rate B.  When the hourly ISO Local Marginal Pricing (LMP) is greater than our generation costs, the electric plant maximizes generation output and exports electricity to the grid receiving the ISO Clearing Price for the electricity.  The PSNH Interconnection Report limits exported electricity to 5 MW.

 Island Mode

When the ambient temperature is not to hot, the electric plant can run in island mode (completely disconnected from the utility, breaker 384-J2 open).  In island mode, the CT is the lead machine controlling voltage and frequency.  The ST runs in power factor control parallel to the CT and following. The plant can autosynchronize back to the electric utility across breaker 384-J2 through a Woodward Autosynchronizer controlling the CT.

 BSD

The current purpose of the BSD is to start the facility back up upon loss of the electric utility and a subsequent loss of both generation units, the CT and the ST.  The CT or #1 Boiler can be started once the BSD is running.  There is a stipulation in the PSNH Interconnection Report that the BSD cannot be run with the tie-line breaker (384-J2) closed.  The BSD is fully capable of remote or automatic start and auto synchronization across breaker F6.  The unit can be controlled to a KW setpoint, but the PF control is manually set (currently at 0.80 PF). The unit can and has been run with the plant operation in the island mode.  The BSD has an automatic unload feature to gradually decrease generation then trip offline.

 Load Shedding

A load shedding system is installed.

 QF Facility

The cogeneration facility is a Qualifying Facility hence PSNH is required to purchase up to 5 MW from the mill.

 HRSG

170,000 pph heat recovery steam generator generating 400# steam at 650 deg F superheat. Unit is equipped with a Rodenhuis and Verloop duct burner firing natural gas.  At high firing, the burner requires additional oxygen supplied by a small auxiliary fan.

 #1 Boiler

180,000 pph power boiler generation 400# steam at 725 deg F superheat.  Fires primarily natural gas with No. 2 Fuel Oil and No. 6 Fuel Oil backup fuels.  Unit is utilized to backup the HRSG and when steam loads in the mill are greater than the170,000 pph capacity of the HRSG.

 No 2 Fuel Oil Tank

There is a 120,000 gallon No. 2 Fuel Oil Tank installed  on-site with the temperature automatically maintained at 40 deg F.

Truck Scale

There is a fully operational truck scale installed on-site.

 Truck Dump

There is a fully operational truck dump for dumping trailers containing wood chips installed on-site

 Filter Plant

The filter plant is comprised of sand filter beds and has a capacity of 8 million gallons per day.

 WWTP

The waste water treatment plant has the capacity to handle 8 million gallons per day.

 Transformers

There are four main power transformer and one grounding transformer.

·          T3a – KVA 7500/8400 OA, 9375/10500 FA, Voltage 34400 delta – 4260wye/ 2520, mfg date 6/1994.

·          T4 – KVA 7500/8400 OA, 9375/10500 FA, Voltage 34400 delta – 4260wye/ 2520, mfg date 5/1996.

·          T24 – KVA 7500/8400 OA, Voltage 34400 delta – 4260wye/ 2520, mfg date 7/1980.

·          T37 – KVA 1500 OA, Voltage 34500delta/19919 – 7200, mfg date 2001.

·          T38 – KVA 10000 – 11200/12500 – 14000, Voltage 34500 delta/4160wye/2400, mfg date 2006.

The above shows Wausau in the center, surrounded by the Groveton Plant. Below shows the waste water treatment plant shared by Wausau and Groveton plant.

  Prepared by:
Michael Bergeron
New Hampshire Division of Economic Development
603-271-2591
mbergeron@dred.state.nh.us

Note: This is a preliminary overview that is subject to owners review.  More information on the plant infrastructure is expected in January 08. 

GROVETON PAPER BOARD
MILL FOR SALE

             

                                Pulp mill operations facing the south side of complex

Mill location: Located in northern New Hampshire with easy access to Canada
                                         and north eastern United States by way of Route 3 and Interstate 91 and 93.

Facility Description of Operations:

GPB is a turnkey, stand-alone semi-chemical, integrated pulp and paper mill producing approximately 410 tons per day of corrugating medium.  Pulp is manufactured from wood chips, using a very mild soda ash/caustic solution, at a rate of about 275 oven dry tons pulp production per day although GPB does not have any operational limitations on total pulp production.  Pulping chemicals are recovered by burning the spent cooking liquor (black liquor) is a recovery kiln and subsequent dissolution of the ash. GPB owns and operates two, natural gas or No. 6 fuel oil fired Boilers and two combustion turbines equipped with heat recovery steam generator units.  Electricity generated by the 10.4 MW Solar Taurus 60 duel fuel turbines is used by the facility for their own consumption in addition to power consumed from outside sources.

The GPB site is also occupied by Wausau Papers of New Hampshire Inc., which manufactures specialty papers derived from market pulp.  The two facilities are not under common control.

GPB has two 5.2 Megawatt duel fuel turbine cogeneration systems.  The cogeneration plants were manufactured in 2001.  Each combustion turbine is rated at a maximum mmBtu/hr gross heat input while firing natural gas at 0 degrees F and 70.4 mmBtu/hr

gross while firing No. 2 fuel oil at 0 degrees F. GPB has opted for the use of duct burners for fuel firing for each of its Heat Recovery Steam Generating Units (HRSG) operated in conjunction combustion turbine.  The duct burners are rated at 84.5 mmBtu/hr gross heat input natural gas only to supply each of the two HRSG Units, when its associated combustion turbine is in operation.  In addition, in cases where a combustion turbine is off-line, the associated may operate with fresh air makeup in place of heated combustion gases from its combustion.  In these instances where the combustion turbine is out of service, the HRSG Unit will operate at 126.9 mmBtu/hr gross heat input rate while firing natural gas.

Steam is generated to supply process and space heating needs by extracting heat from each of the combustion turbine exhaust gases into a heat recovery boiler.  There is supplementary gas-only firing in the duct leading to each heat recovery boiler from the combustion turbine.  All steam and electricity generated by the equipment is used by GPB.  Exhaust gas is vented to the atmosphere from the heat recovery boiler via dedicated stack.  In the event that steam requirements are low or if there is a boiler malfunction, the combustion turbine exhaust gas may be directed to a by-pass duct connected to a stack separate from the main Turbine/HRSG main stack.

 The GPB and Wausau facilities were previously served by a common energy plant consisting of four boilers (Boilers #1, & #5) and a stream-driven turbine rated at 6,500 kilowatts, with an 8,500 kilowatt generator.  In 1999, they installed the capability to fire natural gas in Boilers #1, #4, and #5; modified the stacks for Boilers #2, #4, and #5; and reduced the sulfur content of oil fired in the Boilers to reduce nitrogen oxides emissions.  The existing Boilers are maintained by their respective owners to provide supplementary and backup steam, with the exception of the Boiler #2 which was retired and removed from service.  The cogeneration facility is completely independent from the existing boiler plant except for steam and condensate piping connections.

 Paper Machine:

Ø       One (1) 1969 Black Clawson paper machine – 180” Fourdrinier

Ø       Pressurized head box with two rectifier rolls

Ø       Measurex 2000 Thermo control rods

Ø       Variable speed fan pump

Ø       Black Clawson selectifier screen, Johnson shaker screen

Ø       6 low vacs and 6 high vacs on table

Ø       Suction pickup roll with felted lumpbreaker, 75 pli

Ø       Suction couch roll

Ø       1st press suction roll mated to blind-drilled poly top roll, 450 pli

Ø       Tandem bottom felt (no open draw)

Ø       2 blind drilled ploy rolls in 2nd press; 1500 pli

Ø       General Electric DC-300 drives with IOS & series VI controllers on wet end.

Ø       Line shaft driven dryer section, 400 psi steam

Ø       Fifty six (56) 60” dryers with rotary syphons.

Ø       4 dryer section,  7 dryer felts

Ø       Black Clawson shiftless static driven winder with driven backstand.

Max speed 5000 fmp

Ø       164” trim at reel; 161” to 162” trim at winder depending on grade

Ø    Normal operating speed – 1900 fpm for 26 and 23lb, 1750 fpm for 33lb, 1700 fpm for 36lb, 1600 for 40lb

Ø       3-year average uptime – 92.2%

Stock Preparation:

Ø       One (1) Black Clawson Sydrapulper.

Ø    One (1) Black Clawson 34” 600hp refiner, Two (2) Andritz 1500hp refiners

Ø       Normal furnish mix – 59% virgin hardwood pulp, 41% DLK

Pulp Mill:

Ø    One (1) Black Clawson continuous pandia digester. Two (2) 54” tubes and timing screws

Ø       Two (2) Sprout 42” 1250hp refiners

Ø       Three (3) 8x10 Impco brown stock washers

Ø       One (1) Black Clawson Ultra-V 300 Pressure screen – 150hp

Ø       One (1) Black Clawson 30” double disk 600hp reject refiner

Ø       Production Averages 250 tpd of soda cook semi-chem pulp

 Recovery Plant:

Ø       One (1) five stage Goslin Birmingham evaporator.

Ø       One (1) 10’ x 210’ rotary kiln with patent pending black liquor burner.

Ø       Tower waste heat recovery boiler, 125psi steam at 12,000lb/hr

Ø       Complete recovered product preparation system

Power Plant:

Ø    Two (2) Solar Taurus dual-fuel turbine generators. Each generates 5,022 KW firing natural gas or 4,868 KW firing #2 diesel oil

Ø    Two (2) ERI heat recovery boilers rated at 100,000 pounds-per-hour @400 psig.

Ø       Delta V control system

Ø    Average mill steam load – 92,000 to 120,000 lbs/hours, depending on heating load and paper grades

Ø       Average Electrical load – 9.5 to 10.0 megawatts

 
Products:

Ø       Semi-chemical corrugating medium, basis weights from 23lb to 40lb.

Annual production – 148,000 tons, 413 tpd.

Workforce:

Ø       108 Employees, 21 salaried, 87 hourly. USW union.

Ø       Average Straight time hourly rate - $17.36

Environmental

Ø       Title V operating permit

Ø       Mact I and II compliant

This data is subject to owners review and approvals.

 Michael Bergeron
New Hampshire Business Resource Center
N.H. Department of Resources and Economic Development
603-271-2591