7 Square Mile Solar Project Next to Mojave National Preserve Advances | KCET
7 Square Mile Solar Project Next to Mojave National Preserve Advances
The Bureau of Land Management is now looking for public comment on a proposed 4,397-acre solar facility between the Mojave National Preserve and the Soda Mountains Wilderness Study Area, in an area that one environmental group has defined as "core" undeveloped Mojave Desert habitat.
Soda Mountain Solar wants to build 358 megawatts' worth of photovoltaic panel arrays flanking a six-mile stretch of Interstate 15 in the Mojave Desert southwest of Baker, adjacent to some of the best desert bighorn sheep habitat in the Mojave National Preserve, on undeveloped land that is home to the federally Threatened desert tortoise and the Mojave fringe-toed lizard, along with burrowing owls and desert kit foxes.
Soda Mountain Solar, a subsidiary of the construction firm Bechtel, plans to place about 1.5 million solar panels on the site. The company has not announced a power purchase agreement with any of the utilities the project would be intended to serve.
Three short seasonal surveys of the project site have turned up two plant species of concern: Emory's crucifixion-thorn (Castela emoryi) and Utah milkvine (Funastrum utahense). Neither plant species is listed under state or federal endangered species laws. Still, the California Native Plant Society (CNPS) includes both on their list of rare native plants, describing the crucifixion thorn as "threatened by solar development."
According the the draft Environmental Impact Statement, the project as proposed would consume between 1,275 and
1,371 acre-feet of water a year for operations such as cleaning and maintenance, taking the water from an aquifer that supports the last non-transplanted population of the Endangered Mohave tui chub.
Aside from the Mojave National Preserve and the nearby Rasor Road off-road area, the project would also butt up against the Soda Mountains Wilderness Study Area (WSA), part of which was slated to be designated wilderness by Senator Diane Feinstein's California Desert Protection Act of 2011. That bill is likely to be reintroduced in 2014, though its language regarding the Soda Mountains is far from certain. Approval of a massive industrial solar project on its boundaries could prevent the WSA from being designated as wilderness.
Not that the BLM would likely mind that much: in 1990, the agency dismissed the wilderness potential of the Soda Mountains WSA, saying:
Nonetheless, the area including the project footprint has been classified by the Nature Conservancy as "core habitat" for the Mojave desert as a whole, and was described in at least one early draft of the Desert Renewable Energy Conservation Plan as a "High Biological Sensitivity" area from which solar developers should be diverted if possible.
According to the project's Draft Environmental Impact Statement (DEIS), which the BLM made available for public examination Wednesday, the project won't need a so-called "gen-tie" line to connect it to transmission as two transmission corridors already cross the site. As ReWire reported last year, however, one of those lines is at capacity. The other, LADWP's Marketplace-Adelanto line a.k.a. Path 64, supplies power to municipal utilities in Southern California.
Under both federal and state environmental law, a project's environmental assessment must consider a range of alternatives for the project. The BLM has been subject to increasing criticism of late for its apparent reluctance to include alternatives to utility-scale public lands solar projects that involve either distributed generation or development of "brownfields" and other land with lower habitat value.
The DEIS for the Soda Mountains Solar proposal does indeed address the possibility of a disturbed land alternative, noting that the EPA has identified around 11,000 brownfields, landfills, and other such sites in California that may be suitable for renewable energy development.
But the DEIS then dismisses such a possibility, stating that no suitable alternative sites exist in the vicinity of the project area -- despite the fact that Soda Mountains Solar would need to sell its power to utilities well outside the project area anyway.
Public comment is now being solicited on the project's DEIS, with a deadline of March 3, 2014.
For ongoing environmental coverage in March 2017 and afterward, please visit our show Earth Focus, or browse Redefine for historic material.
KCET's award-winning environment news project Redefine ran from July 2012 through February 2017.
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