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December 12, 2013
U.S. Virgin Islands Biomass/Biogas
Renewable Energy Project
The Team
Tibbar Energy USVI LLC
Tibbar Energy USVI, LLC is a licensed, 100% woman owned and operated business. The sole owner and principal officer, Tania Tomyn, lives on St. Croix, USVI.
Tania has been a successful government
contractor in the electrical field working
for such U.S. government agencies as:
Bureau of Reclamation, Defense
Logistics Agencies (Aviation, Land and
Maritime), Department of Energy, Army
Corps of Engineers, NAVFAC, Air Force,
Department of Veteran Affairs.
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Renew Energy Owners Engineer
SELECTED REFERENCES
Name Year Type Capacity
Linkogas, Denmark
Project management,
engineering, supervision of
operations.
1990
1999
2010
Joint biogas plant.
Rebuilt to increase
capacity.
5,000 m3 new
digester.
New gas engine.
360 tonnes/day.
550 tonnes/day.
Expanded to 700 tonnes/day.
Manure, corn silage and
organic waste.
3 MW power output.
Schraden Biogas, Germany
Engineering, supervision of
operations.
1994 Joint biogas plant 300 tonnes/day.
Manure and organic waste.
1.7 MW power output.
Blaabjerg Biogas, Denmark
Project management.
Supervision of operations.
1996 Joint biogas plant 300 tonnes/day.
Manure, corn silage and
organic waste.
1.5 MW power output.
Sandager Skovgaard,
Denmark
Own pilot plant.
1997 Pilot plant 40 tonnes/day.
Pig slurry and corn silage.
0.2 MW power output.
Lathen, Germany
Turnkey contract.
1999 Biogas plant 70 tonnes/day.
0.4 MW power output.
Agracor, The Azores
Turnkey contract.
2004 Biogas plant 100 tonnes/day.
Pig slurry.
0.8 MW power output.
Biokraft, Denmark
Turnkey contract.
2007 Biogas plant 270 tonnes/day.
Manure, corn silage and
organic waste.
2 MW power output.
Blaabjerg Biogas, Denmark
Engineering, supervision of
operations.
2009 Existing joint bio-
gas plant
New 5,000 m3 digester and
rebuilding of existing.
2 x 2,500 m3 digesters.
400 tonnes manure, corn
silage and organic
waste/day.
1.6 MW power output.
KURANA, Lithuania
Engineering, supervision of
operations. Start-up and
running-in.
2010 Biogas and sep-
aration plant
integrated with an
ethanol plant. The
first biorefinery
project in the
world
800 tonnes of whole stillage
and organic waste per day.
4 MW power and 7 MW
steam.
5 x 5,000 m3 digesters.
Decanter centrifuge.
Ammonia stripper.
Reverse osmosis.
Blaabjerg Biogas, Denmark
Turnkey contract. Supervision of
operations.
2011 Existing joint bio-
gas plant
New 5,000 m3 digester and
new desulphurization system.
New 1.4 MW gas engine.
Total 3.0 MW
Increased capacity up to 600
tonnes manure, corn silage,
and organic waste per day.
Fremont, Michigan, USA
Engineering, supervision of
operations, start-up and
running-in.
2012 Biogas and
separation plant
treating organic
waste. Producing
green energy.
Feeding system for
vegetable waste.
350 tonnes/day.
Up to 28,000 Nm3 biogas/day
and 3 MW power output.
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Renew Energy (www.renewenergy.dk ) is a
Danish biogas engineering/operations
company. Renew has successfully designed and
operated several silage biogas projects across
Europe and the United States.
The following selected references were
executed by Renew Energy A/S and/or by
Renew’s principals. Renew has 20 years of
experience in international biogas projects with
organic feedstock. In all projects, Renew was
responsible for start-up operations, running-in
and training of operators as well as ongoing
services for optimization of plant operation,
new feedstock etc.
EPC Contractor
Tibbar has retained Layne as its EPC contractor for the anaerobic digestion (biogas) and power generation components of the project
Layne-Christensen is a $1 billion global construction company with over 6,000 employees www.layne.com
Layne’s European partner, Entec, an Austrian biogas engineering company, has built over 200 commercially operating silage AD power plants. www.entec-biogas.com/en/
Layne has extensive experience with biogas projects and provides a full wrap guarantee with one year of operation.
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Diversification of Renewable Energy Portfolio
Biogas generation from anaerobic digestion creates permanent jobs
Wind and Solar provide intermittent power based on
meteorological conditions while biomass provides continuous
prime power.
Tibbar’s Biomass project diversifies USVI’s renewable energy portfolio
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Three components of a Biogas Operation
Biomass projects require three components:
(1) Organic Feedstock
(2) Anaerobic Digestion Facility (to create biogas from the feedstock)
(3) Power Generation (converting biogas to electricity)
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Biomass/Anaerobic Digestion Facility
How a Biogas Facility Works
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What is Anaerobic Digestion and how
does it produce power?
In the absence of oxygen, naturally occurring bacteria breakdown organic material (such as agricultural energy crops like Giant King Grass). This results in the creation of methane and carbon dioxide, which make up biogas. This process, called anaerobic digestion, occurs in large enclosed tanks. The biogas is collected from the anaerobic digestion tanks and is processed through a generator to produce renewable electricity.
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Is Anaerobic Digestion currently being used
as a Renewable Energy Source?
For the last 30 years, Anaerobic Digestion
technology has commercially produced base load
renewable energy (primarily in Europe)
In Germany alone 3.8 million homes are fed
power from organic feed Anaerobic Digesters
Today over 10,000 plants operate in Europe in
small towns and agricultural based communities
The USVI’s fertile agricultural land and tropical
climate make it an ideal location for a biomass
project using agricultural energy crops.
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Biogas Facilities in Europe 12
Examples of Silage Power Plants in Europe
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Tibbar’s Biomass Facility on 15 acres of VI Port
Authority’s property Land 14
3-D Site Plan of Biomass/Power Generation Facility
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Interconnection to WAPA
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Site work has begun……
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Feedstock
USDA listed GKG as one of the Top 10 energy crops in 2012
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Tibbar has the 20 year exclusive license for this product in the USVI
The fresh cut silage would be cut on the farm and transported to and fed into the AD tanks daily
Characteristics of Giant King Grass
• High crop yield (90-150 tons/acre/year)
• Drought resistant crop
• Sustainably grown, not a food crop
• Perennial grass
• Not genetically modified
• Not an invasive species
• Needs sunshine, warm weather & rain or irrigation-no freezing
• Fertilizer use is modest
• No pesticide
• Extensive bioenergy test data (2.7 cubic feet biogas/lb GKG)
Energy Crop Nursery in Operation on St. Croix
Nursery Planted 9/28/12 USVI Senator Judi Buckley
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Second Nursery Planted 1/25/13
Plant GKG every 10 to 15 years
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Giant King Grass Growing on St. Croix 22
45 days of growth
after harvest
Silage Operations 23
Silage Operations 24
Farming with the Environment – Organic Fertilizer
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Over 1,500 acres of Agricultural Land for Growing Giant King Grass
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Agriculture Feasibility Team
Bioenergy Crops (www.bioenergycrops.com)
One of the leading third party auditing firms and
farm planning group for bioenergy crops
Dr. Tony Provin, Professor of Agronomy Texas
A&M
Dr. Provin has been working on bioenergy crops
in S. America, Brazil, and Caribbean for 20
years.
John Carroll, agronomist for VIA SPACE
Mr. Carroll launched GKG farm Hawaii and
Nicaragua, Africa, among others
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Power Generation
Four 3 MW Generators
Biogas generated through anaerobic digestion will be flow to four 3 MW Jenbaucher (GE) biogas generators. (Four generators allows for rotation with one spare available at all times.)
Generators will produce 3.9 kW per 1 cubic foot per minute of biogas at 42% efficiency, 57% methane, and 550 BTU/ft3
Approximately 2,100 cubic feet per minute (cfm) of biogas will produce 8.5 MW to cover WAPA power and parasitic load
The Generators contain carbon filter gas treatment, dehumidification system for moisture removal of biogas, and H2S filter media.
Jacket water will be used to heat feedstock prior to anaerobic digestion
Emissions from the generator will be less than 250 tons/year for all constituents.
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Power Purchase Agreement (PPA)
Tibbar’s PPA/Interconnection Agreement was fully executed by the USVI WAPA on 7/24/13
The PPA is for 7 MW over 25 years with a 5 year option
The Commencement of Operations is June 30, 2015
Tibbar’s project is the only proposed biomass renewable energy project in the U.S. Virgin Islands.
Tibbar has also obtained Qualified Facility (for Small Power Generation) approval from the USVI Public Services Commission.
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USVI Government Partnerships
Tibbar will develop a water harvesting program with
multiple ponds on VIDOA land managing nearly 60
million gallons of run-off water.
The community gardening program will reap the
benefits from Tibbar farming operation through
shared irrigation water and organic fertilizer leading
to more consistent and higher yields at community
farms.
In addition, Tibbar will provide tillage services to
local farmers eliminating the current back log.
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Project Benefits for the VI Department of Agriculture
Additional Benefits to the Dept. of Agriculture
The USDA cut the DOA hay program grants in 2012. Today it
is challenging for the DOA to produce hay for all 3 islands and
the program is at risk.
Tibbar will take over this commitment and supply the 1000
round hay bales per year for distribution through the DOA
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Project benefits for VI Waste Management
Authority (WMA)
Tibbar’s biogas facility provides an alternative outlet to
landfilling for several of WMA’s waste streams including:
Fats Oils, and Greases (FOG)
Food Waste
Bio-solids
Using these streams as a feedstock for anaerobic
digestion is common practice in Europe
Tibbar’s agricultural operations provides a sustainable
outlet for the WWTP effluent as irrigation water.
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USVI Governor’s Visit to Denmark
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On March 13, 2013 Governor John P. de Jongh, Jr.
met with Tibbar’s partner, Renew Energy, to discuss the
biogas project. The visit was part of the Governor’s
Economic Development Tour to promote business
opportunities in the USVI.
International Exposure
Tibbar and the USVI
were featured in the
September 2013 Biomass
Magazine worldwide.
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Overall Project Sustainability and Economic Benefits
Brands St. Croix/USVI as sustainable/green island(s) - directly benefiting tourism
Helps USVI reach its renewable energy goal of 22% by 2025 while producing 7 MW of base load cheaper, cleaner power
Develop a commercial farming operation growing energy crops that will spur an agricultural renaissance
Developed teaming agreements with VIWMA and DOA on St. Croix
Creates over 35 high quality permanent jobs for the next 25 years
Invests over $75 million in the USVI in 2013-2015
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