Biomass Gasification CHP Pilot Project...Biomass CHP Pilot Project Motivations 3. Intro to Biomass...
Transcript of Biomass Gasification CHP Pilot Project...Biomass CHP Pilot Project Motivations 3. Intro to Biomass...
Fairbanks North Star Borough – Department of Public Works
Biomass Gasification CHP Pilot Project
FNSB and ACEP
Ben Loeffler, Energy Management Engineer
April 11, 2018
1
Fairbanks North Star Borough – Department of Public Works
OUTLINE
1. FNSB-ACEP Partnership2. Biomass CHP Pilot Project Motivations3. Intro to Biomass Gasification CHP4. Pilot Project Progress and Plan
2
Fairbanks North Star Borough – Department of Public Works
FNSB-ACEP Partnership
ObjectiveProvide coordination of programs and projects
involving the development, implementation, and evaluation of
energy efficiency, energy delivery, and alternative and renewable energy systems in FNSB.
3
Fairbanks North Star Borough – Department of Public Works
FNSB-ACEP Partnership
- Information and resource sharing
- Joint grant applications
- Undergraduate Internship – Energy data
analysis
4
Fairbanks North Star Borough – Department of Public Works
Biomass Pilot Project Motivations
6 http://alaskarenewableenergy.org/index.php/programs/renewable-energy-atlas/
Biomass Pilot Project Motivations
7
Biomass Pilot Project MotivationsS
ola
r E
ne
rgy
Pro
du
ctio
n
8
Biomass Pilot Project Motivations
Win
d E
ne
rgy
Pro
du
ctio
n
9
Biomass Pilot Project MotivationsB
iom
ass
En
erg
y P
rod
uct
ion
Energy Management Engineer“Work with Borough stakeholders and ACEP researchers to evaluate emerging and existing energy efficient technologies relevant to the
Borough.”
ACEPMission: “Develop and
disseminate practical, cost-effective, and innovative energy
solutions for Alaska and beyond”
Vision: “Alaska leading the way in innovative production,
distribution, and management of energy”
Fairbanks Comprehensive
Economic Development Strategy (CEDS)
COMMUNITY PRIORITY #1:
“Lower and stabilize FNSB energy costs by expanding the energy portfolio with a focus on local
resources.”
10
Biomass Pilot Project Motivations
11
Biomass Pilot Project Motivations
Fairbanks Galena
Electricity Cost $/kWh $0.20 $0.67
Fuel Cost $/Gallon $2.20 $5.76
Value of 280,000 kWh $ $56,000 $164,000
Value of 2,380 MMBTU $ $45,000 $102,000
Cost of 370 tons Wood Chips $ -$32,000 -$37,000
Cost of Maintenance $ -$30,000 -$40,000
Annual Savings $ $39,000 $187,000
Annual Local Impact $ $64,000 $77,000
12
Biomass Pilot Project Motivations
Intro to Biomass Gasification CHP
13
14
Intro to Biomass Gasification CHP
• 25% Carbon Monoxide• 17% Hydrogen• 8% Carbon Dioxide• 2.5% Methane• 47.5% Nitrogen
15
Intro to Biomass Gasification CHP
Intro to Biomass Gasification CHP
16
Pilot Project Progress and Plan
17
Proposed Technology – Volter 40
– Operates on wood chips (spruce and aspen)
– 40kW Electric
– 340,000 BTU/hr Thermal
– Small-scale, packaged unit suited for both railbelt and rural installations
– Load-following, but not grid-forming
18
Proposed Site – Big Dipper Ice Rink
• Demand Charges
• Year round heat load
• Chip Access
19
20
Proposed Site – Big Dipper Ice Rink
0
20
40
60
80
100
120
140
160
180
200
10/26/2016 10/28/2016 10/30/2016 11/1/2016 11/3/2016 11/5/2016
Ele
ctri
city
[k
W]
Grid
Volter
21
Proposed Site – Big Dipper Ice Rink
0
100
200
300
400
500
600
700
800
900
1,000
July
Au
gu
st
Sep
tem
ber
Oct
ob
er
No
vem
ber
Dec
emb
er
Jan
uar
y
Feb
ruar
y
Mar
ch
Ap
ril
May
Jun
e
En
erg
y U
sag
e [
MM
BT
U]
Estimated Heat Usage with Volter
Volter Heat Utility Heat
0
100
200
300
400
500
600
700
800
900
1,000
July
Au
gu
st
Sep
tem
ber
Oct
ob
er
No
vem
ber
Dec
emb
er
Jan
uar
y
Feb
ruar
y
Mar
ch
Ap
ril
May
Jun
e
En
erg
y U
sag
e [
MM
BT
U]
Estimated Electricity Usage with Volter
Volter Power Utility Power
PM2.5 Emissions
22
64
8.763
0.010
10
20
30
40
50
60
70
Hydronic Heater EPA CertifiedWood Stove
Pellet Stove WoodGasification CHP
PM
2.5
em
issi
on
s [l
b/t
on
]
PM2.5 Emissions
23
0.03
0.0022
0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
Tier IV Diesel Wood Gasification CHP
PM
2.5
em
issi
on
s [g
/kW
h]
PM2.5 Emissions
24
2.69 2.59
0.844
0
0.5
1
1.5
2
2.5
3
Oil Boiler Wood GasificationCHP
Natural Gas Boiler
PM
2.5
em
issi
on
s [g
/BT
U]
Pilot Project Progress and Plan
25
Expected total project cost $918,000
Equipment cost - $250,000
Design and Construction - $500,000
Data collection and testing (2 years) - $170,000
Funding Sources:
$290,000 in EETF Grant + $290,000 required FNSB Match = $580,000
$218,000 USFS Wood Innovations Grant award
$120,000 FNSB Energy Reductions Projects Fund
RFP – Phase I - Qualifications Opening: April 20, 2018
RFP – Phase II - Design-Build Issue: April 27, 2018
RFP – Phase II - Design-Build Opening: May 29, 2018
Assembly Approval of Award: June 21, 2018
Execute Design-Build Contract: July 13, 2018
Construction Documents Approval: August 1, 2018
Volter 40 System Arrival: November 1, 2018
Substantial Completion: December 1, 2018
System Commissioning: January 16, 2019
Final Completion: January 31, 2019
26
Pilot Project Progress and Plan
Project Goals
Evaluate and Disseminate:
Fuel Suitability
Performance
Reliability
Maintenance Costs
Emissions
Micro-grid Compatibility
27
FNSB Testing Objectives
Fuel Consumption
Ash Production
Integration with Building
System Reliability
Track every fault event and system downtime
O&M Costs
Track all consumables and parts
Track all labor hours
28
ACEP Testing Objectives
Instrumentation of Heat and Power
Grid-Connected Monitoring
Islanded Mode Performance Testing
Disconnect from Grid
Operate in Parallel with Diesel Genset and Load Bank
Data Processing and Analysis
29
Why Project Should be Pursued
Alaska energy costs are high
Biomass is plentiful and sustainable
New technology to produce commercial scale electricity from wood
Reduced costs to building operators
Commercial potential
Reduce impact of biomass energy on air quality
30
Why Project will be Successful FNSB provides:
Reliable, visible proving ground for technology
Funding for Energy Advancement and CEDS mandate to pursue new technologies
Dedicated staff to manage this project and oversee implementation
ACEP provides: World-class technical expertise
Rigorous testing, data collection, and reporting capabilities
Experience to evaluate technology for suitability in rural Alaska
31
33
Why Biomass? Plentiful, Renewable, Local
Currently Equivalent to $1/gal Diesel
Produce High Value Electricity from Biomass
Keep Fuel Expenditures in Local Economies
FNSB Assembly - 16 March 201734
Why Biomass?
FNSB Assembly - 16 March 201735
Biomass – Sustainability AIDEA Data – 165 Alaska communities with biomass for
>30% non-residential buildings
Sustainable Annual Harvests
AEA Biomass Resource Assessments
• Chalkyitsik
• McGrath
• Fort Yukon
• Kiana
• Tanana
• Tok
• Koyukuk
• Nulato
• Kaltag
• Anvik
• Holy Cross
• Hughes
• Ruby
• Nikolai
• Kenai Peninsula
• Galena
• Ambler
• Shungnak
• Kobuk
FNSB Assembly - 16 March 201736
Other Wood Chip Projects Tok – 5 MMBTU/hr, 50kW, $3.2 million
Craig – 4 MMBTU/hr, $1.5 million
Mentasta Lake – 500,000 BTU/hr, $510,000
Sealaska – 750,000 BTU/hr, $750,000
FNSB Assembly - 16 March 201737
Chip Handling Walking Floor Trailer for drying and delivery
Auger feed system from “day bin” to Volter
FNSB Assembly - 16 March 201738
Regulatory Compliance Building Codes – IMC 2012
NFPA 70 (electrical), NFPA 37 (stationary engine)
UL 2200 (stationary generator)
GVEA Interconnect Specifications
Alaska DEC permit not required
EPA 40 CFR 60 Subpart JJJJ (Standards for Stationary Spark Ignition Internal Combustion Engines)
Fairbanks Division of Air Quality
FNSB Assembly - 16 March 201739