This list of energy efficiency and renewable energy technologies is a reference tool for the types of projects C-PACE is used to finance. All C-PACE improvements must be permanently affixed to the commercial property and part of a retrofit to existing infrastructure, with the exception of district heating and cooling systems. If an upgrade is not included on this list, Connecticut Green Bank will review proposed additions on a case-by-case basis.
Non-energy-saving measures directly related to installation of an energy conservation measure may be determined as eligible and included in the financing as long as the project’s SIR remains greater than 1 and if the measure will benefit the qualifying commercial real property (e.g., a roof to support solar panels or the pipeline infrastructure as necessary to enable a natural gas conversion).
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Renewable energy measures |
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Solar power |
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Solar thermal |
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Wind power |
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Geothermal energy |
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Fuel cell |
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Methane gas from landfills |
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Low-emission advanced renewable energy conversion technologies |
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Projects that seek to deploy electric, electric hybrid, natural gas, or alternative fuel vehicles and associated infrastructure and any related storage, distribution, manufacturing technologies, or facilities |
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Sustainable biomass facility |
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Electric vehicle charging infrastructure (exempt from SIR requirements) |
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Energy efficiency measures |
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High-efficiency lighting |
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Heating, ventilation, and air conditioning (HVAC) upgrades |
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New automated building and HVAC controls |
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Variable speed drives (VSDs) on motors, fans, and pumps |
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High-efficiency chillers |
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High-efficiency boilers and furnaces |
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High-efficiency hot water heating systems |
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Combustion and burner upgrades |
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Fuel switching |
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Water conservation measures to the extent they save energy |
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Heat recovery and steam traps |
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Building enclosure/envelope improvements |
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Building automation (energy management) systems |
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Renewable energy systems (e.g., solar, fuel cells, geothermal) |
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Combined heat and power systems (CHP) |
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District thermal |
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Microgrids |
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Resiliency measures (exempt from SIR requirements) |
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End use savings technologies applicable to industrial facilities |
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New automated process controls |
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Heat recovery from process air and water |
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Cogeneration used for peak shaving |
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Process equipment upgrades |
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Process changes |
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Ineligible energy upgrades |
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Appliances, e.g., refrigerators, dishwashers, etc. |
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Plug load devices |
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Vending machine controls |
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Any package of measures that does not achieve an energy savings to investment ratio (SIR) greater than 1 |
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Any measure that is easily removed or not permanently installed |
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Any measure that does not result in improved energy efficiency or renewable energy generation |
