EfficiencyOne announces new Chief Operating Officer

EfficiencyOne announces new Chief Operating Officer

May 11, 2021 – Halifax/Kjipuktuk,NS— EfficiencyOne is pleased to announce the appointment of Sarah MacDonald as Chief Operating Officer. Sarah officially joined the EfficiencyOne team on May 10.

Sarah, formerly Chief Operating Officer with XOCEAN, an ocean data collection services company, had a 19-year career with Emera Inc. in various senior leadership roles, including: Executive Vice President, Human Resources, Emera; Chief Executive Officer, Emera Utility Services; Chief Executive Officer, Emera Caribbean; President, Teco Services Inc. and Executive Vice President, Corporate Safety and Environment, Emera.

“Sarah brings extensive strategic and operational leadership experience that will be invaluable to EfficiencyOne as we continue to expand our impact,” says Stephen MacDonald, President and Chief Executive Officer of EfficiencyOne.

EfficiencyOne is the non-profit supplier of energy efficiency and GHG mitigation services in Nova Scotia. Since 2011, the organization has reduced energy costs in the province by more than $1.4 billion and contributed 25 percent of Nova Scotia’s overall GHG emission reductions. Familiar to most Nova Scotians as the operator of Efficiency Nova Scotia, EfficiencyOne has received national recognition for its high electricity and heating fuel savings achievements, as well as its low-income services and innovative Indigenous programs. EfficiencyOne has partnered with 13 Mi’kmaq communities to install energy efficient upgrades in 2,400 band-owned homes and supported large efficiency upgrades in community facilities like the Eskasoni Health Centre and the Membertou Arena and Wellness Centre.

“EfficiencyOne’s independent, target driven, and performance-based model has a proven track record of success,” says William Lahey, Founding Chair of the EfficiencyOne Board of Directors and President and Vice-Chancellor of the University of King’s College. “Sarah’s experience will enable EfficiencyOne to build on this success and contribute to an inclusive and sustainable economic recovery in Nova Scotia and beyond.”

EfficiencyOne has expanded its operations in recent years to supply energy efficiency expertise outside of Nova Scotia through its subsidiary, EfficiencyOne Services, and was recently asked to operate a new urban climate fund in Halifax as part of Low Carbon Cities Canada (LC3) initiative.

In her role as COO, Sarah will be responsible for all day-to-day operations of EfficiencyOne, including service delivery, customer experience and partnerships, finance and regulatory, and human resources and infrastructure.

“I am thrilled to be joining an organization that has already played such an important role in helping Nova Scotia achieve its climate change and sustainability goals,” says Sarah MacDonald, incoming Chief Operating Officer, EfficiencyOne. “I look forward to helping the organization drive positive change in our energy efficiency.”

About EfficiencyOne

EfficiencyOne, operating in Nova Scotia as Efficiency Nova Scotia, has a proven track record of success in designing and delivering resource efficiency programs and services for homes, businesses, and large industrial customers. Learn more at www.efficiencyns.ca.

For more information, contact:

Janet Tobin
Communication Lead
902-470-3652
jtobin@efficiencyns.ca

More Articles from In the Media

In the Media

EfficiencyOne files new five-year plan focused on affordability and long-term energy savings for Nova Scotians, delivering over $680 million in savings for Nova Scotians

For immediate release April 1, 2026 – Halifax/Kjipuktuk, NS – EfficiencyOne, the non-profit administrator of Efficiency Nova Scotia, has filed its new five-year Demand-Side Management (DSM) Plan with the Nova Scotia Energy Board for approval. The Plan would come into effect January 1, 2027. The 2027–2031 DSM Plan is expected to generate more than $680 […]

In the Media

EfficiencyOne named one of Atlantic Canada’s Top Employers for 8th consecutive year

For immediate release March 24, 2026 – Halifax/Kjipuktuk, NS—For the eighth year in a row, EfficiencyOne has been named one of Atlantic Canada’s Top Employers. “We’re proud to be named one of Atlantic Canada’s Top Employers for the eighth consecutive year,” says Stephen MacDonald, President and CEO of EfficiencyOne, the non-profit operator of Efficiency Nova Scotia. […]

In the Media

EfficiencyOne Announces Leadership Transition and Interim President and CEO Appointment

For Immediate Release February 9, 2026 – Halifax/Kjipuktuk, NS – The Board of Directors for EfficiencyOne, the nonprofit administrator of Efficiency Nova Scotia, today announced that Martha Casey, Chief Operating Officer, has been appointed Interim President and CEO, effective March 28, 2026, following Stephen MacDonald’s decision to step down from his role. Stephen will remain […]