APPENDICES

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APPENDICES
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• Project Proposal Summaries

Internal Working Document For Discussion
Purposes
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Project 008
Fuel Cell with turbo expander
Fuel Cell Energy DFC-ERG Bloomfield

• Location
• Bloomfield, CT (outside SWCT)
• At CNG pressure letdown/gate station
• Description
• Molten Carbonate Fuel Cell with turbo expander
  Energy Recovery Generator
• Turbo expander captures energy lost in a gate
  station pressure reducing valve
• Eliminates need for gas-fired heaters
• 3.367 MW total (850 kW from ERG)
• Team Experience
• Fuel Cell Energy - Manufacturer
• Enbridge Inc. A major fuel supplier N.
  America energy player, as developer
• Energy East/CNG Fuel supplier, holds title to
  the land and access to the pressure let down
  station
• BOC Cryostar, Inc. world leader in radial
  inflow turbine technology.

• Project Status
• Interconnection prelim. CLP discussions
• Permit applications pending
• Site control established host on the team
• Design Conceptual engineering completed
• Requested additional CCEF 0
• Contract Term 20 years
• NPV Rate Impact incl. CCEF
• Total 12.0 million
• Per MWh 23.57
• Other 50 RECs retained

Internal Working Document For Discussion
Purposes
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Fuel Cell with turbo expander
Project 008
Fuel Cell Energy DFC-ERG Bloomfield

• Strengths
• Innovative use of technologies
• Strong project team
• Limited technology risk
• Highly efficient use of thermal output
• Local support for project
• No additional CCEF requested
• Least expensive fuel cell project

• Weaknesses
• Limited operating experience with 2.8 MW units
• Limited development progress

Internal Working Document For Discussion
Purposes
5
Bridgeport Fuel Cell Park
Fuel Cell w/ ORC
Project 005

• Project Status
• Interconnection UI feasibility study complete
  SIS FS outstanding
• Permit applications Approved by Siting Council.
  Preliminary permitting review completed, no major
  issues identified
• Site control estab. - Signed lease option
• Design Preliminary design completed
• Requested additional CCEF 1.5M
• Contract Term 15 years
• Rate Impact
• Total 49.6 million
• Per MWh 28.35
• RECs
• 100 RECs retained
• REC value gt 10 reduces price

• Location
• Bridgeport, CT (Primary SWCT)
• Description
• Molten Carbonate Fuel Cell
• Organic Rankine bottoming cycle
• 14.3 MW total ( 930 kW from ORC)
• Team Experience
• Fuel Cell Energy Manufacturer and co-developer
• PurePower, LLC A firm specializing in
  developing large scale fuel cell projects in CT
• PinPoint Power, LLC Develops, owns and manages
  power generating and DSM equipment in the
  Northeast

Internal Working Document For Discussion
Purposes
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Bridgeport Fuel Cell Park
Project 005
Fuel Cell w/ ORC

• Strengths
• Redevelopment of a brownfield site
• Advanced permitting and development status
• Strong city support
• Strong project team
• Improved recovery of waste heat in ORC
• Creative price modifier returns REC value in
  excess of 10/MWh to ratepayers

• Weaknesses
• Limited operating experience with 2.8MW units
• Of recommended projects, most expensive ratepayer
  impact per MWh

Internal Working Document For Discussion
Purposes
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Fuel Cell with turbo expander
Project 009
Fuel Cell Energy DFC-ERG Trumbull

• Project Status
• Interconnection prelim. UI discussions
• Permit applications pending
• Site control established host on the team
• Design Conceptual engineering completed
• Requested additional CCEF 0
• Contract Term 20 years
• NPV Rate Impact incl. CCEF
• Total 11.9 million
• Per MWh 24.66
• Other 50 RECs retained

• Location
• Trumbull, CT (primary SWCT)
• At SCG pressure letdown/gate station
• Description
• Molten Carbonate Fuel Cell with turbo expander
  Energy Recovery Generator
• Turbo expander captures energy lost in a gate
  station pressure reducing valve
• Eliminates need to run gas-fired heaters
• 3.200 MW total (600 kW from ERG)
• Team Experience
• Fuel Cell Energy - Manufacturer
• Enbridge Inc. A major fuel supplier and N.
  America energy player, as the developer
• Energy East/CNG Fuel supplier, holds title to
  land access to pressure let down
• BOC Cryostar, Inc. world leader in radial
  inflow turbine technology.

Internal Working Document For Discussion
Purposes
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Fuel Cell with turbo expander
Project 009
Fuel Cell Energy DFC-ERG Trumbull

• Weaknesses
• Limited operating experience with 2.8 MW units
• Limited development progress

• Strengths
• Innovative use of technologies
• Strong project team
• Limited technology risk
• Highly efficient use of thermal output
• Local support for project
• No additional CCEF requested

Internal Working Document For Discussion
Purposes
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Fuel Cell with turbo expander
Project 007
Fuel Cell Energy DFC-ERG Glastonbury

• Project Status
• Interconnection prelim. CLP discussions
• Permit applications pending
• Site control established host on the team
• Design Conceptual engineering completed
• Requested additional CCEF 0
• Contract Term 20 years
• NPV Rate Impact incl. CCEF
• Total 12.1 million
• Per MWh 24.73
• Other
• 50 RECs retained

• Location
• Glastonbury, CT (outside SWCT)
• At CNG pressure letdown/gate station
• Description
• Molten Carbonate Fuel Cell with turbo expander
  Energy Recovery Generator
• Turbo expander captures energy otherwise lost in
  a gate station pressure reducing valve
• Eliminates need to run gas-fired heaters
• 3.200 MW total (600 kW from ERG)
• Team Experience
• Fuel Cell Energy - Manufacturer
• Enbridge Inc. A major fuel supplier and N.
  America energy player serv. as developer
• Energy East/CNG Fuel supplier, holds title to
  land access to pressure let down station
• BOC Cryostar, Inc. world leader in radial
  inflow turbine technology.

Internal Working Document For Discussion
Purposes
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Fuel Cell with turbo expander
Project 007
Fuel Cell Energy DFC-ERG Glastonbury

• Weaknesses
• Limited operating experience with 2.8 MW units
• Limited development progress

• Strengths
• Innovative use of technologies
• Strong project team
• Limited technology risk
• Highly efficient use of thermal output
• Local support for project
• No additional CCEF requested

Internal Working Document For Discussion
Purposes
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Elemental Power Cube Project
Fuel Cell with Unfired Combustion Turbine
Project 001

• Project Status
• Interconnection Application submitted to CLP
• Permit applications prepared for filing
• Site control established affiliate has lease
• Design conceptual design complete
• Requested additional CCEF 3 M
• Contract Term 20 years
• Rate Impact
• Total 13.5 million
• Per MWh 25.78
• Other 50 RECs retained

• Location
• Danbury, CT (Secondary SWCT)
• Description
• Molten Carbonate Fuel Cell
• Waste heat drives an un-fired combustion turbine
  generator in a Brayton cycle
• 3.2 MW total ( 500 kW from turbine)
• Team Experience
• EPG Fuel Cell Subsidiary of Elemental Power
  Group, a company formed to develop own and
  operate clean renewable energy projects
• Catamount Energy - financier
• Fuel Cell Energy Manufacturer

Internal Working Document For Discussion
Purposes
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Elemental Power Cube Project
Fuel Cell with Unfired Combustion Turbine
Project 001

• Strengths
• Efficient configuration low heat rate
• Local zoning changes already made to accommodate
  projects i.e. strong town support
• Strong development team
• Innovative combination of existing technologies
• Load reducer treatment gives more immediate FCM
  value

• Weaknesses
• Limited operating experience with 2.8MW units
• Technology is scale-up of a pilot
• Highest request from CCEF, by far

Internal Working Document For Discussion
Purposes
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Project 006
Fuel Cell CHP
Ten Companies Inc. Hartford Fuel Cell

• Location
• Hartford, CT (outside SWCT)
• Description
• Molten Carbonate Fuel Cell
• CHP with heat recovery for district steam
• 2.700 MW total
• Team Experience
• Energy East (utility owner of both gas supplier
  and steam company)

• Project Status
• Interconnection prelim. CLP discussion
• Permit applications scoped
• Site control established own site
• Design Conceptual engineering completed
• Requested additional CCEF 0
• Contract Term 15 years
• NPV Rate Impact incl. CCEF
• Total 9.8 million
• Per MWh 29.88
• Other 50 RECs retained

Internal Working Document For Discussion
Purposes
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Fuel Cell CHP
Project 006
Ten Companies Inc. Hartford Fuel Cell

• Strengths
• Self-financing
• Ease of integration with site uses (other
  generation, steam plants)
• Limited technology risk
• CHP Efficient use of thermal output
• No additional CCEF requested

• Weaknesses
• Limited operating experience with 2.8MW units
• Limited development progress
• Highest ratepayer impact metric

Internal Working Document For Discussion
Purposes
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Elemental Power Triangle Project
Fuel Cell with ORC
Project 002

• Location
• Danbury, CT (Secondary SWCT)
• Description
• Molten Carbonate Fuel Cell
• Organic Rankine bottoming cycle
• 15.1 total MW ( 950 kWh from ORC)
• Team Experience
• EPG Fuel Cell Subsidiary of Elemental Power
  Group, a company formed to develop own and
  operate clean renewable energy projects
• Catamount Energy - financier
• Fuel Cell Energy Manufacturer

• Project Status
• Interconnection Application submitted to
  ISO-NE, directed to submit a distn . level
  interconnect, CLP feasibility study in process
• Permit applications Near completed
• Site control established under lease
• Design conceptual design complete
• Requested additional CCEF 3M
• Contract Term 15 years
• Rate Impact
• Total 53.4 million
• Per MWh 29.14
• Other 50 RECs retained

Internal Working Document For Discussion
Purposes
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Elemental Power Triangle Project
Fuel Cell with ORC
Project 002

• Weaknesses
• Limited operating experience with 2.8 MW units
• Large CCEF request
• High ratepayer impact metric

• Strengths
• Straightforward interconnection
• Local zoning changes already made to accommodate
  projects i.e. strong town support
• Strong development team
• Using Organic Rankine Cycle to maximize
  efficiency (replicable technology improvement)

Internal Working Document For Discussion
Purposes
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• Additional Proposal Information

Internal Working Document For Discussion
Purposes
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Proposal Summary Statistics CCEF Requested

• Binary distribution of funding requests
• 4 requested no additional
• 3 requests between. 1.5 3 million
• Total requested (7 proj.) 7.75 million

Internal Working Document For Discussion
Purposes
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Proposal Summary Statistics CCEF Requested
Internal Working Document For Discussion
Purposes
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Proposal Summary Statistics Ratepayer Cost
Impacts
Internal Working Document For Discussion
Purposes
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Proposal Summary Statistics SW CT Benefits
Internal Working Document For Discussion
Purposes
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Alternative Proposalswithout ITC/PTC extension
Status if no ITC/PTC extension of Proposals of MW
Withdrawn 4 (s 001,002,005,006) 35.3 (14.294 of recommended)
No change 3 (s 007,008,009) 9.8
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Pricing Options Selected

• Option 6 50 of wholesale market energy cost
  plus project cost of natural gas as the primary
  fuel (not subject to price cap).
• 4 Proposals
• Option 6a 50 of wholesale market energy cost
  plus project cost of natural gas as the primary
  fuel (not subject to price cap), adjusted
  downward by proposer-defined price modifier.
• 3 Proposals
• - This is a new pricing option introduced
  by CCEF in Round 3
• - One response had variable downward
  adjustment tied to market REC prices

Internal Working Document For Discussion
Purposes
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• Sensitivity Case Results

Internal Working Document For Discussion
Purposes
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Sensitivity Analysis High Electricity Natural
Gas Prices
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Sensitivity Analysis Low Electricity Natural
Gas Prices
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Sensitivity Analysis High REC Prices
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Sensitivity Analysis Low REC Prices
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Sensitivity Analysis CCEF Funding Not Included
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Sensitivity Analysis SC Recommendations w/o
Triangle (Cube at 0.5 cent price modifier)