squamish neighbourhood energy utility: final feasibility presentation
DESCRIPTION
Squamish Neighbourhood Energy Utility: Final Feasibility Presentation. Prepared for: District of Squamish and Project Sponsors Prepared by: Compass Resource Management Ltd. June 15, 2010. Study Overview. Demand forecast (five target areas) Analysis of business as usual (BAU) - PowerPoint PPT PresentationTRANSCRIPT
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Squamish Neighbourhood Energy Utility:Final Feasibility Presentation
Prepared for:District of Squamish and Project Sponsors
Prepared by: Compass Resource Management Ltd.
June 15, 2010
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Squamish NEU Study – Final Presentation, June 2010, Page 2
Study Overview Demand forecast (five target areas) Analysis of business as usual (BAU) Screening of many supply options Detailed analysis of short-listed scenarios
Area A + expansion scenarios (Waterfront and Oceanfront) Biomass, ocean heat, and natural gas co-generation Staging and sensitivity analysis
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Squamish NEU Study – Final Presentation, June 2010, Page 3
Demand Forecast – Focus Areas and Phasing
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Squamish NEU Study – Final Presentation, June 2010, Page 4
Demand Forecast – Phasing
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Squamish NEU Study – Final Presentation, June 2010, Page 5
Supply Screening – Shortlist Biomass
Abundant local resource One of lowest cost options in screening and greatest GHG emission reductions
Ocean Heat Potentially slightly higher cost than GX but more available resource Best heat pump option for this location Some further optimization may be possible with cooling service to commercial loads
Natural gas cogeneration BC Hydro is interested in systems which also produce electricity Best commercial electricity production option at this scale. Natural gas cogeneration is a stepping stone to biogas cogeneration GHG emissions depend on whether we use provincial perspective or regional trade
perspective.
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Squamish NEU Study – Final Presentation, June 2010, Page 6
Summary Results – Base Case
No Grants, Private Financing, Property Taxes Included
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Squamish NEU Study – Final Presentation, June 2010, Page 7
Total Capital Costs by Demand and Supply Scenario
($,000)
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Squamish NEU Study – Final Presentation, June 2010, Page 8
Sample Phasing of Capital (All Three Service Areas)
-
2,000
4,000
6,000
8,000
10,000
12,000
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
Annu
al C
apita
l Req
uire
men
t(2
010$
thou
sand
s)
Capital Expenditures
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Squamish NEU Study – Final Presentation, June 2010, Page 9
Sample Cashflows - Municipal Financing
-
500
1,000
1,500
2,000
2,500
3,000
3,500
4,000
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
Reve
nue
& R
even
ue R
equi
rem
ent
(201
0$ th
ousa
nds)
Financing and Depreciation
Operations
Revenue
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Squamish NEU Study – Final Presentation, June 2010, Page 10
Summary Results - GHG Reductions
Demand Scenario
Biomass Ocean Heat
Cogen (BC
Perspective)
Cogen (Regional
Perspective)tonnes / year change at build out
Area A Only (1,300) (1,100) 1,100 (900)Area A + Waterfront (3,000) (2,200) 3,700 (1,800)Area A + Oceanfront (5,000) (4,100) 3,700 (3,500)Area A + Waterfront + Oceanfront
(6,600) (5,200) 6,100 (4,300)
% change at build outArea A Only (74%) (62%) 62% (51%)Area A + Waterfront (79%) (58%) 97% (47%)Area A + Oceanfront (81%) (67%) 60% (57%)Area A + Waterfront + Oceanfront
(80%) (63%) 74% (52%)
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Squamish NEU Study – Final Presentation, June 2010, Page 11
Summary Results – Gas and Electricity System Impacts
Demand Scenario
Biomass Scenario
Ocean Heat Scenario
NG Cogen Scenario
Area A + Waterfront + Oceanfront
Incremental gas increase (reduction) (35,300) (28,500) 38,400
Incremental electricity increase (reduction) (9,200) (1,000) (9,200)
Additional electricity production - - 26,900
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Squamish NEU Study – Final Presentation, June 2010, Page 12
Summary Results - Grant Requirements
Biomass Ocean Heat Cogeneration
Private Financing Scenario 8,600 13,800 18,500 % of total capital 30% 41% 50%
Municipal Financing Scenario 1,900 8,300 13,400 % of total capital 7% 24% 36%
Grant required to achieve competitive rates and target return on investment. Municipal financing scenario assumes 100% debt financing and no property taxes.
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Squamish NEU Study – Final Presentation, June 2010, Page 13
Summary Results – Conclusions All options require some level of grants to achieve competitiveness and break-even
requirements. Biomass is least cost option in all demand scenarios and has the highest total GHG emission
reductions and greatest reliance on local resources. All options exhibit economies of scale. Competitiveness increases as total system size
increases. Securing a large service area is critical to success. Under a municipal financing model and excluding property taxes, the larger biomass system
starts to approach BAU costs, even before taking into account grants.
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Squamish NEU Study – Final Presentation, June 2010, Page 14
Possible Optimizations (Design Phase) Solar DHW Alternate siting of energy centre Multiple energy centres Distribution layout Actual sizing and staging of capital items Specific technology / vendor selection
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Squamish NEU Study – Final Presentation, June 2010, Page 15
Key Implementation Risks for District Energy
Securing loads Marketing Relationship building Policy / bylaw support
Minimizing installed capital costs Technology selection Coordination with other infrastructure Competitive tendering Performance contracting
Phasing of equipment relative to loads Just in time capital where possible Build in flexibility Optimize staging and siting
Ensuring optimal building performance Developer design document Design and commissioning support Retrofit support
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Squamish NEU Study – Final Presentation, June 2010, Page 16
Paths Forward
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Squamish NEU Study – Final Presentation, June 2010, Page 17
District Policy Role Establishing target core service area boundaries Cultivating community support Developing measures to promote/require interconnection Establishing commitment to interconnect municipal buildings Creating mechanisms to support efficient planning/installation of linear infrastructure Establishing policies and programs to encourage/facilitate access to energy resources Facilitating the selection of site(s) for energy center(s) Establishing policies for property taxes and franchise fees