Our Projects

SunZia Southwest Transmission Project

Delivering Clean Energy to the West

The SunZia Southwest Transmission Project will transport energy from Arizona and New Mexico to customers and markets across the Desert Southwest. SunZia consists of two bi-directional extra-high voltage electric transmission lines and substations.

Other Projects

Mesa del Sol

100 MW

SWPG, in partnership with SC3 International, is developing a 100 MW solar energy project in the metro-Albuquerque area.

Past Projects

Gila River Power Station

2,200 MW

SWPG was the original developer of Arizona’s largest natural gas-fired generation project which commenced operations in 2003. SWPG conceived the project, found the site, started the permitting and subsequently sold the project to Panda Energy International in 2001.

Sandow 5

600 MW

SWPG, in partnership with Genova Power, developed a lignite-fired, circulating fluidized bed boiler generation project at the Alcoa Rockdale aluminum smelter in Milam County Texas, which commenced operating in 2009. SWPG sold the project to Luminant in 2005. The project was retired and decommissioned in 2018.

Campo Verde Solar

140 MW

SWPG and its affiliate MMR Power Solutions, in partnership with Bethel Energy, developed a 140 MW AC solar energy project located near El Centro in Imperial Valley, CA.   Originally a solar thermal project with a biomass component, SWPG/MMR revised the project concept from solar thermal to solar PV.  The project commenced operating in 2013.  SWPG/MMR sold the project to First Solar in 2011 who completed development and built the project.