Complete civil packages for utility solar in Valencia County, New Mexico: clearing, mass grading, access roads, collection trenching, SWPPP, fencing, and substation civil.
Backwell is a civil site work general contractor serving utility solar EPCs building in Valencia County, New Mexico. We contract the complete civil package under one agreement, with Backwell superintendents and lead operators on site.
Valencia County is the load anchor for central New Mexico renewables because of the Meta data center campus at Los Lunas, which is the offtake reason behind nearby solar such as the Rio Rancho TAG project. Exus Renewables already operates solar generation inside Valencia County, and PNM has asked to extend the gas-fired Valencia plant at Belen out to 2039, which keeps the county's interconnection and transmission infrastructure relevant to new generation siting. The proposed RioSol transmission line is also routed through Valencia County. No individual utility-scale solar project in the county was confirmed by name in the sources read, so treat this county as a watch and prequalify market rather than a named-project market.
Valencia County is split by the Rio Grande. The valley floor is deep, stratified river alluvium in the Gila, Vinton, and Brazito soils, stone free and easy digging, with a shallow water table and a dense Middle Rio Grande Conservancy District system of laterals and riverside drains that exists specifically because the water table is high. West of the valley the land steps up onto the Llano de Albuquerque, a caliche capped basin surface with sandy Santa Fe Group fill beneath and Bluepoint and Kokan type coarse soils in the arroyos, and El Cerro de Los Lunas stands up as a basalt capped volcanic remnant. East of the river the ground rises toward the Manzano foothills on limestone derived piedmont alluvium. Drainage west of the river is ephemeral arroyo flow toward the Rio Puerco and the Rio Grande, flashy and sediment heavy.
Which side of the river the site is on decides the whole earthwork approach. West mesa sites are the typical utility scale ground: light clearing, long gentle slopes, and a caliche layer that means hammer or ripper time in cuts and trench, offset by the fact that the same material processes into road base so you may not import any. Sand under the caliche compacts well with moisture control but ravels in open trench, so plan shoring. Valley sites mean dewatering, soft subgrade that will pump under loaded trucks, drain and ditch crossings that need MRGCD approval, and bosque tree clearing with permitting attached. Countywide, arroyo crossings on access roads west of the river should be armored and sized for monsoon flow, and stabilization needs to happen quickly because the mesa soils are sandy and mobile once the crust is broken.
We price the package as one scope under one contract, so the EPC has a single point of responsibility for the civil critical path instead of managing separate clearing, earthwork, and utility subcontracts.
Backwell superintendents, project managers, and lead operators run every site. We mobilize company equipment for the core scope and scale each project with leased production fleets, qualified regional subcontractors, and agency-placed field staff, all under Backwell supervision and a single contract.
Contractor licensing. Yes. New Mexico requires a contractor license issued by the Regulation and Licensing Department, Construction Industries Division (CID), for work meeting the statutory definition of a contractor. Commercial civil sitework is generally carried out under the GB-98 general building classification for commercial and residential building work, or under the GA series for heavy and highway type work, where GA-98 covers asphalt, bitumen and concrete construction and carries the authority of the GA-1 through GA-5 classifications. A qualifying party must sit for the applicable trade and business and law exams, and a contractor bond, currently 10,000 dollars, is required before CID will issue the license. An out of state contractor should confirm the exact classification match for its scope, earthwork, grading, trenching, roads and foundations, directly with CID before bidding, since the classification map is scope specific.
Construction stormwater. New Mexico is not an authorized NPDES state. The U.S. Environmental Protection Agency, Region 6 in Dallas, is the NPDES permitting authority for all facilities in New Mexico, so construction sites disturbing one acre or more are covered under the federal EPA Construction General Permit (CGP), with a SWPPP prepared and a Notice of Intent filed through EPA's electronic NOI (eNOI) system. The New Mexico Environment Department Surface Water Quality Bureau, Point Source Regulation Section, performs compliance inspections on behalf of EPA and handles Clean Water Act Section 401 certification, and reports go back to EPA Region 6. New Mexico legislation has given NMED statutory authority to move toward a state administered NPDES equivalent program, so contractors should confirm at bid time whether the federal CGP or a newly effective state permit governs the specific site. Backwell carries the SWPPP scope, installs and maintains the controls, keeps the inspection log, and closes the permit out with final stabilization.
Prevailing wage. Federal Davis-Bacon prevailing wage and apprenticeship requirements apply through the Inflation Reduction Act to projects above 1 MW that claim the increased ITC or PTC rate, which covers essentially every utility-scale solar project in this list, so certified payroll and registered apprentice ratios should be assumed on the civil scope. On top of that, New Mexico has its own state prevailing wage law, the Public Works Minimum Wage Act, administered by the New Mexico Department of Workforce Solutions, Labor Relations Division, which sets wage decisions for public works contracts above the statutory threshold. Privately owned utility-scale solar is generally not a public work under that Act, but it can be pulled in where a public entity, state or local funding, or a public land or municipal utility element is part of the deal, for example projects contracted to a county or municipal offtaker. Confirm with the owner at bid time which wage determination governs, and expect certified payroll reporting either way. For projects claiming the full ITC or PTC, Backwell produces Davis-Bacon certified payroll, pays the applicable wage determination, and supports apprenticeship labor-hour compliance.
All New Mexico solar civil work or the national utility solar civil page.
Send plans, a scope of work, and the schedule through the form below or call (315) 400-2654. We review the civil package, walk the site if it is at that stage, and return a scoped proposal with a schedule of values, stated fill allowances, and unit rates for overages. A one-page capability statement is available for prequalification files.
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