We Build the
Future of
Solar Energy
TerraSun Construction delivers precision-engineered ground-mount solar installations for agricultural, commercial, and utility-scale projects across California and beyond.
Built on Precision.
Driven by Purpose.
TerraSun Construction is a specialized solar EPC contractor focused on ground-mount photovoltaic systems. From initial site assessment through final commissioning, our crews deliver installations that perform — on time and on spec.
As a partner company to Terrasun Energy, we bring the full depth of a vertically integrated solar organization to every project.
End-to-End
Construction Services
From racking and mounting to electrical balance-of-system, our self-performing crews handle every phase of ground-mount solar construction.
Site Preparation & Grading
Precision earthwork, grading, and site preparation to ensure long-term system stability and optimal panel orientation for maximum energy yield.
Racking & Mounting Systems
Expert installation of fixed-tilt and single-axis tracker racking systems, engineered for structural integrity and decades of service life.
Solar Panel Installation
High-efficiency module placement by NABCEP-certified crews, ensuring optimal performance and adherence to manufacturer specifications.
Electrical Balance of System
Complete DC and AC electrical work including combiner boxes, inverters, transformer pads, and utility interconnection.
Commissioning & Testing
Comprehensive system testing, performance verification, and utility interconnection coordination to bring your project online right the first time.
Agricultural Solar (Agrivoltaics)
Specialized installations on active farmland, designed to co-exist with irrigation, livestock, and crop operations with minimal disruption.
Projects in the Field
The TerraSun
Difference
-
Self-Performing Crews
No subcontracting — our trained, in-house crews execute every phase, ensuring quality control from first post to final wire.
-
Safety-First Culture
Industry-leading safety record with rigorous OSHA compliance, daily tailgate meetings, and ongoing crew training programs.
-
On-Time, On-Budget
Disciplined project management and logistics planning keep every installation on schedule and within scope — no surprises.
-
Vertically Integrated
Backed by TerraSun Energy and Axis Solar — covering development, financing, construction, and O&M under one roof.
From Concept to Commissioning
Site Assessment
We evaluate your land, utilities, and interconnection options to define the optimal system design.
Engineering & Design
Structural, electrical, and civil plans drawn and stamped by licensed engineers.
Permitting
We manage all AHJ, utility, and environmental permits from start to finish.
Construction
Our self-performing crews mobilize and build with precision and speed.
Commissioning
Full system testing, PTO, and handoff so your project generates from day one.
Ready to Break Ground?
Talk to our team about your project. We'll provide a free site assessment and detailed proposal.