Power for the Future

Empowering the West for Renewable Energy 

What We Do 

Southwestern Power Group (SWPG) is an independent developer of utility-scale generation and transmission assets, with a market focus in the Desert Southwest.

Since 2000, the Phoenix-based company has distinguished itself as a leading force in evolving energy markets, including renewable energy, storage and smart electrical grids. 

The Company is comprised of a select, experienced group of individuals with decades of experience in finance, permitting, licensing, real estate, construction and operations. SWPG is a leader in the region and maintains positive relationships with other experienced entities, including investor-owned utilities, public utility commissions and regional transmission authorities.  

SWPG is a wholly-owned subsidiary of MMR Group, a privately-owned construction services firm based in Baton Rouge, Louisiana.  MMR is a world leader in electrical and instrumentation construction, maintenance, management, and technical services.



Environmental permitting


Licensing and permitting at federal, state, and county levels


Acquiring real property including federal, state, and fee land arrangements


Electrical interconnection and transmission service arrangements


Engineering, procurement and construction contracts


Operations and maintenance contracts


Arranging equity and debt financing


For the past 20 years, our staff has been involved in the siting, environmental permitting, design, engineering, construction, financing and operations of power plants, power distribution systems and transmission facilities, both domestically and internationally.

Strong Relationships

We form alliances with our customers and other service providers and maintain our alliance throughout the life of the project to ensure continuity.


We are committed to completing projects on schedule and within budget, and we focus on projects that can meet these criteria.

Industry Leader

SouthWestern Power Group’s parent company is MMR Group. MMR is a world leader in instrumentation and electrical construction, maintenance, and technical services.

SunZia Southwest Transmission Project