Awarded Custom Projects

Click on the links below to explore a few of the past projects funded through the Commercial & Industrial (C&I) Custom Program.

Case Studies

St. Mary’s CHP
With help from Efficiency Maine’s Commercial & Industrial Custom Program, St. Mary’s Health System installed a Combined Heat and Power (CHP) unit in Lewiston. The new system generates electricity on site, using the waste heat for various domestic hot water needs in the facility.
Jasper Wyman & Son
Wyman's Blueberries
Learn how Jasper Wyman & Son keep their blueberries cool with an energy efficient refrigeration system.
Oxford Networks
Oxford Networks made energy efficient improvements by installing high-efficiency lighting and cooling systems. Their new systems help provide uninterrupted access to customer servers. Find out how.

Click here for a list of recent Custom Electrical Projects
Click here for a list of recent Custom Thermal Projects
Click here for a list of recent Custom Distributed Generation Projects

Custom Electrical Projects


Awardee Town Incentive Project Description
Alltrista Plastics, LLC Wilton $526,577 Chiller and space cooling optimization
Aroostook Medical Center Presque Isle $148,250 lighting, HVAC controls, refrigeration upgrades, EC Motors
Colby College Waterville $111,081 VFDs, lighting upgrades
Corning, Inc. Kennebunk $199,138 LED lighting retrofit
Hancock Lumber, Inc. Bethel $130,050 LED lighting upgrade, compressed air infrastructure modifications
Huhtamaki, Inc. Waterville $719,816 Heat recovery and process water heating
Louisiana-Pacific Corporation New Limerick $123,506 Compressed air system (supply-side optimization)
Maine Machine Products South Paris $133,672 Interior and exterior LED lighting upgrade with controls
ME School Administrative District (MSAD) #75 Bowdoin, Bowdoinham, Harpswell, Topsham $102,167 LED lighting, controls and refrigeration retrofits
St. Joseph’s College Standish $266,282 Exterior and interior LED lighting retrofit with controls
Pineland Farms Potato Company, Inc. Mars Hill $131,778 Wastewater lagoon aeration upgrade, compressed air upgrade & optimization
Portland Water District Portland $203,337 3 centrifugal integrally geared blowers serving a diffused aeration system
Sunday River Skiway Corporation Newry $258,000 Efficient snowmaking equipment
Texas Instruments South Portland $924,768 High efficiency vacuum pump retrofit
Woodland Pulp, LLC Baileyville $115,500 Lighting retrofit and VFD on a process pump

Custom Thermal Projects


Awardee Town Incentive Project Description
Burnham & Morrill Co. Portland $117,625 Upgrade to Retort Heat Drain Recovery, oxygen trim system for boiler
Cascades Auburn Fiber Auburn $53,447 CFM circulation fans to recover process heat for use in warehouse
Hodgdon Yacht Services, LLC Southport $67,205 New marine coatings application booth with re-circulation
Mountain Playground, LLC. (Mount Abram) Greenwood $71,495 Efficient snowmaking equipment
ME School Administrative District (MSAD) #11 Gardiner $175,591 Boilers, building envelope measures, HVAC controls
ME School Administrative District (MSAD) #12 Somerville $73,103 Building envelope, air handling unit improvements & scheduling, demand control ventilation, destratification fans, HVAC upgrades
ME School Administrative District (MSAD) #52 Turner $107,361 Building envelope, air handling unit improvements, demand control ventilation, destratification fans, HVAC upgrades
Oxford Networks Brunswick $54,900 HVAC system upgrade
Penobscot Bay Medical Center Rockland


$170,507 Air Handling Unit (AHU) Scheduling, Building Automation and Control System (BACS) Strategies, Balance Air Systems, VAV Box Repair, water system enhancements
Sappi Skowhegan $362,961 Causticizing process stabilization
Smith & Wesson Corporation Houlton $135,125 Inclusion of air to air heat recovery in proposed dehumidification system
Sugarloaf Mountain Resort Corporation Carrabasset Valley $301,149 Efficient snowmaking equipment
Woodland Pulp, LLC. Baileyville $55,219 Condensate and heat recovery

Custom Distributed Generation Projects

Awardee Town Incentive Project Description
Acadia Hospital Bangor $139,660 Combined Heat & Power (CHP) system
Exeter Agri-Energy Exeter $213,594 Reciprocating biogas unit
St. Mary’s d’Youville Pavilion Lewiston $273,850 Combined Heat and Power (CHP) generator and dry cooler
Village Green Ventures Brunswick $750,000 Anaerobic digester system to digest organic solids and produce electric energy