What We Do

MSI Group Ltd. will help you optimize the value of your energy investments with a comprehensive energy strategy to drive stakeholder results. We have the expertise and staff to expand your capability to develop, plan and implement energy management and sustainability solutions. We are a full service engineering firm, specializing in energy data analytics and management. We bring you leading experience, expert research and deep connections to both industry and academia to help you meet your sustainability goals.

Who We Are

Managing Directors Steve Mooney and J. Andrew Yang have assembled a team of experienced energy professionals to offer a full suite of energy management and sustainability services. Steve and Andrew each bring over 20 years in the energy, real estate and utility markets with experience ranging from customer data analytics to province-wide efficiency programming.

What We Stand For

MSI Group knows that energy use has its costs, both to the environment and on the bottom line, so we work with clients to create energy management and sustainability solutions that are data-driven and proven-effective. We offer resiliency solutions to help future proof your business from climate, energy pricing, and regulatory changes.


Steve Mooney, MES P.Eng. CEM

managing director

Steve brings nearly 20 years of diverse experience in the areas of energy and technology. This experience ranges from electrical engineering design and analysis to strategic planning and execution of utility and commercial energy management programs.

These experiences were gained at technology companies, the Ontario Power Authority, designing and delivering province-wide energy efficiency programs, as well as the Manager, Energy and Technical Services at Oxford Properties Group Inc. managing a portfolio wide energy program and supporting properties in energy related projects.


Andrew Yang P.Eng.

managing director

Andrew brings nearly 20 years of experience in renewable and energy technology development. In his time at Enbridge Gas Distribution, he was responsible for technical analysis and regulatory submissions to the Ontario Energy Board for conservation and energy efficiency programs and other initiatives. Previously, he oversaw the technical development of various hydrogen, solar and biogas systems for a range of applications covering residential, commercial, and industrial clients.



Senior associate

James brings a wealth of experience from both the gas and electric utilities. He has remained focused and committed to providing the highest level of customer service throughout his career. An energy engineer by trade, James has extensive design and engineering experience and provides keen insight for customers looking to optimize their electrical and mechanical building systems. He has been involved with multi-million dollar energy projects in vertical markets such as school boards and educational facilities, office buildings, condominiums, and government facilities.


Lenard Hart

Senior Associate

Lenard brings more than 17 years of experience in sales, marketing and business development in the Ontario energy sector. He was responsible for the creation and implementation of programs and innovative engagement collaborations with governments, utilities, and marketplace stakeholders for a variety of customer segments. Highlights include Energy Star for New Homes Program, Residential New Construction program, Solar Attic Fan Pilot, and Home Assistance Program (HAP).

He comes to MSI Group most recently from Toronto Hydro with previous tenures at Alectra, Hydro One Brampton, Summerhill, and GreenSaver.


Adam Umanski

energy analyst

Adam is a mechanical engineering and management graduate from McMaster University. Adam has experience working in project management in the automotive sector, and as an telecommunications analyst. Adam works as an energy analyst with advanced skills using Microsoft Excel and various other analytical tools.



ursula miller gareri, project coordinator

Ursula Miller-Gareri has experience in a wide range of working environments and supports site inspections, incentive reviews and submissions and as well as provides administrative support to the team