High-voltage substation construction and transformer work across New Mexico. Here is the grid ESS operates in.
New Mexico has shifted toward wind, which became its largest electricity source at roughly 38 percent of in-state generation in 2024, closely followed by natural gas at about 36 percent. Coal has declined to under 20 percent after the 2022 retirement of the San Juan Generating Station, though the Four Corners Power Plant continues to operate, and solar is a growing contributor.
New Mexico's strongest wind and solar resources sit far from major population centers, so long-distance transmission projects such as SunZia and Western Spirit are being built to export power to Arizona, California, and other states. The state spans two grid interconnections, with most utilities in the Western Interconnection and eastern New Mexico tied to the Eastern Interconnection and the Southwest Power Pool. Interconnection queues and the transition away from coal under state clean-energy policy remain ongoing challenges.
Shown as regional context, the major electric utilities and grid organizations operating in New Mexico. ESS builds substations and installs EHV apparatus across the western grid and has mobilized wherever the work is since 1978.
Tell us the voltage class, the site, and the timeline. ESS mobilizes across the West.
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