Two construction workers wiring a solar panel

Utility-Scale Solar

When completing your utility-scale solar project, we respect time constraints and stay committed to quality. This approach provides an important working balance that continually yields positive outcomes for our solar clients. By applying the latest technologies like drone footage, subsurface utility mapping and infrared photos, we’re able to increase productivity and quality simultaneously.

Castle Contracting’s work on utility-scale solar projects is focused on clearing, excavation, soil remediation, grading, trenching and SWPPP. Our work effectively prepares the site for the installation of the solar panels and the accompanying infrastructure. With expansive experience working with utilities, our civil construction team is the best choice for your solar project.

As utility-scale solar projects happen more and more frequently, it is imperative to hire a team that is experienced in taking on these complex projects. Castle Contracting is prepared to help with the following aspects of your solar project: 

  • Stringent schedule adherence
  • Grade control
  • Watershed management
  • Regulatory oversight
  • Design reviews

Castle has served as the civil construction partner on many utility-scale solar projects, most often delivered via an Engineer Procure Construct (EPC) method. Solar facilities typically include sitework, fencing, foundations, single-axis racking system, tracker system, photovoltaic panels, electrical systems and substation. Although each site varies, Castle most often self-performs clearing, grading, excavation, soil remediation, utility trenching and SWPPP.  

Silicon Ranch

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Lancaster Solar — Lancaster, GA

80 MWac 110 MWdc - 503 acres

Rattlesnake Solar Plant — Weld County, CO

16 MWac 21.78 MWdc - 175 acres

Millington Solar Plant — Millington, TN

52 MWac 68 MWdc - 800 acres

Jonesborough Solar Farm — Jonesborough, TN

6.1 MWdc - 40 acres

Cumberland — Elkmont, AL

20 MWac - 130 acres

Green Power EMC, Hazlehurst II — Hazlehurst, GA

52.5 MWac 71.28 MWdc - 480 acres

Selmer North I Solar Facility — Selmer, TN

16 MWac - 100 acres

Selmer North II Solar Facility — Selmer, TN

8 MWac, 10 MWdc - 50 acres

Providence — Denmark, TN

20 MWdc 15MWac - 150 acres

Coronal Energy

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Palmer Solar Center — Troy, VA 

5 MWac 7.27 MWdc – 57 acres

Essex Solar Center — Dunnsville, VA

21 MWac 26.6MWdc – 170 acres

Martin Solar Center, Kents Store — VA

5 MWac 6.76 MWdc – 27.2 acres

Martin Solar Center — Kents Store, VA

5 MWac 6.76 MWdc – 27.2 acres


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Kentuck Solar Farm — Danville, VA

6 MWac 8.13 MWdc - 76 acres


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DESRI Assembly II - Hazleton, MI

134 MWac 158 MWdc - 642 acres

DESRI Assembly III - Lennon, MI

80 MWac 119 MWdc - 488 acres


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Calhoun Solar - Battle Creek, MI

200 MWac 264 MWdc - 1075 acres

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