Know. Do. Be. MORE.


At McDonnell Group, we know the people, the technologies, and the complex factors that drive your success in the energy and utilities marketplace. Since 2005, we have been the trusted marketing partner providing strategy, research and practical marketing results that propel our clients to market leadership and build value for their business.




Meet OUR TEAM of energy and smart grid marketing experts.
Learn more about our COMMUNITY SERVICE.



Our History

June 2005

Don and Charlotte McDonnell co-found McDonnell Group as a Georgia corporation and woman-owned-business, beginning operations with three employees and a vision to provide marketing consulting to drive energy efficiency innovation.

July 2005

Advanced Control Systems and Cellnet Technologies, Inc. become first clients; MG provides industry-shaping messaging, PR, market research and strategy as smart grid markets develop.

September 2006

Don McDonnell Speaks On Gartner Energy & Utilities Keynote Panel.

October 2006

MG helps launch first annual Goshen Valley Golf Classic for pro bono client Goshen Valley Boys Ranch.


MG completes corporate strategy, research and public relations leading to $705 million acquisition of Cellnet by Landis+Gyr.

October 2007

MG provides PR and strategic marketing advisory services for Advanced Control Systems Acquisition by Efacec, working closely with investment banking partners throughout transaction.

December 2008

image002MG research launches program to enable utilities and other industry research participants to have a contribution made on their behalf to Georgia nonprofit the Heating Energy Assistance Program (H.E.A.T.).

January 2009

MG founds Smart Grid Executive Forum (on LinkedIn) as a private, commercial-free, criteria-based membership platform for industry leaders to share, debate, and discuss challenges of smart grid technology.

February 2009

Smart Grid Executive Forum grows to more than 300 members.

MG repositions Ice Energy to launch as a utility scale smart grid solution, resulting in honors including:

· 2009 AHR Expo® Green Building Innovation Award· First product to rank 90/100 on Smart Grid News scorecard· Silver prize in 22nd Excellence in Design Awards by Appliance Design magazine· Gartner 2009 "Cool Vendors in Energy and Utilities

· 2009 Buildy Award for best Smart Grid Initiative

· Named to Global 100 and Going Green 100 by Always On.

March 2009

New corporate website launches, including first Smart Grid Blog.

MG repositions as knowledge-based agency providing three offerings: PR, Research, and Marketing Strategy.

June 2009

MG website traffic increases 632% in first quarter.

July 2009

PRSourceCode technology journalists name Don McDonnell a “2009 Top Tech Communicator.”

October 2009

Smart Grid Executive Forum breaks 1,000-member mark.

December 2010

Year closes with 85 percent annual increase in revenue; growth of clients from ten to more than 20, with increased amounts and types of services provided to customers.

February 2010

MG celebrates five years serving the energy industry with customer appreciation dinner in historic Roswell.

Don McDonnell included in GreenTech Media’s list of “100 People You Must Know in Smart Grid”, along with various MG clients.

The Networked Grid 100: Movers and Shakers of the Smart Grid

March 2010

MG helps launch nonprofit Smart Grid Consumer Collaborative, provides PR from founding throughout formative first year, playing an influential role in shaping and sharing messaging to promote consumer engagement by all energy stakeholders.

First “Big Fish” VIP industry event sails from Tampa with 50 land-loving guests.

April 2010

MG website traffic increases 862% in one year since March 2010 launch.

MG client UISOL selected as 2010 “Project of the Year” from Pennwell Publication’s POWERGRID International Magazine announced during that year’s DistribuTECH.

MG client Efacec opens its first U.S plant in GA. The plant is the only one of its kind in the U.S. at the time of the grand opening.

May 2010

Sustained research, strategy and communications advisory support propel Ventyx growth strategy, culminating in $1 billion acquisition by ABB.

McDonnell Group supports ABB with strategic global IT/OT positioning.

September 2010

MG begins pro bono PR support for Living With it (LWi), a nonprofit organization founded by inspirational speaker Kris Kuester.

December 2010

MG passes the 25 customer mark.

March 2011

A five-year PR engagement for UISOL (Utility Integration Solutions, Inc.) supporting their rise as a pioneering leader in the distributed energy resource market culminates in acquisition by global giant Alstom Grid.

“Big Fish 2: Landlubber’s Revenge” hosts 70 industry VIPs in San Diego. 

May 2011

Energy industry veteran Paige Besson joins MG Advisory Board.

January 2012

Big Fish 3 hosts over 100 VIPs in San Antonio.

May 2012

Smart Grid Executive Forum celebrates third anniversary with over 4,000 members and several special interest sub-groups.

July 2012

Paige Besson becomes MG managing director as founder Don McDonnell moves to CEO and Founding CEO Charlotte McDonnell becomes Board Chair.

August 2012

Following three consecutive years of 30 percent-plus revenue growth, MG moves to new Atlanta area headquarters.

October 2012

MG provides pro bono publicity for seventh year in a row for Goshen Valley Golf Classic, helping to raise more than $332,000 since 2006, enabling the award-winning foster home, Goshen Valley Boys Ranch, to increase the number of licensed beds for residents by nearly 53 percent in three years.

January 2013

2012 Voice of the Customer Survey of more than 40 customers finds sustained satisfaction and a strong demand for additional MG services.

February 2013

MG responds to customer demands and expands to full service marketing agency.  icon-integrated-marketing

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