Greening Health Care
Founded in 2004, Greening Health Care is the largest and longest serving program of its kind in North America, helping hospitals work together to lower their energy costs, raise their environmental performance and contribute to the health and well-being of their communities. Members manage data, assess their performance and track savings through a powerful online energy management system. They share knowledge and best practices through workshops, webinars and networking to help plan, implement and verify improvements.
Making Savings
  Savings 2025
(vs. 2024)
Savings Percent Savings 2025
(vs. 2023)
Savings Percent
Electricity 11,788 MWh 1.4 % 20,354 MWh 2.2 %
Demand 10 MW 0.8 % 25 MW 1.9 %
Thermal (118,645) eMWh (8.2) % (121,689) eMWh (7.9) %
Total energy (106,858) eMWh (4.6) % (101,335) eMWh (4.1) %
Water (152) 10m3 (4.7) % 230 10m3 6.4 %
Greenhouse gas emissions (CO2e) (21,172) tonnes (21,661) tonnes
Energy Cost Savings ($ 1,575,545) ($ 555,816)
Not all participant buildings are reporting in all years or in all categories. Savings are reported on a net basis.
Results as of December 31, 2025
numbers in ( ) are increases
What's new?
For news on the program,check us out on LinkedIn:

www.linkedin.com/company/climate-challenge-network/
Ontario organizations 38
 Alexandra Marine and General Hospital  North York General Hospital
 Baycrest Health Sciences  Oak Valley Health
 Bermuda Hospitals Board  Ontario Shores
 Brightshores Health System  Orillia Soldiers' Memorial Hospital
 Cambridge Memorial Hospital  Quinte Health Care
 Centre for Addiction and Mental Health  Ross Memorial Hospital
 Glengarry Memorial Hospital  Runnymede Healthcare Centre
 Halton Healthcare Services  Sault Area Hospital
 Headwaters Health Care Centre  SickKids
 Health Sciences North - Sudbury  Sinai Health System
 Humber River Hospital  Southlake Regional Health Centre
 Joseph Brant Hospital  St Thomas Eglin General Hospital
 Kingston Health Sciences Centre  Temiskaming Hospital
 Lakeridge Health  Thunder Bay RHSC
 Mackenzie Health  Timmins and District Hospital
 Michael Garron Hospital  Trillium Health Partners
 Muskoka Algonquin Healthcare  Waterloo Regional Health Network
 Niagara Health System  William Osler Health System
 North Bay Regional Health Centre  Women's College Hospital
Total buildings 78
Total building area 3,665,605 m2
Manitoba organizations 1
 Shared Health Manitoba
Total buildings 4
Total building area 402,054 m2
New York organizations 1
 Northwell Health
Total buildings 1
Total building area 146,389 m2
Saskatchewan organizations 1
 Saskatchewan Health Authority
Total buildings 2
Total building area 162,073 m2
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