Commercial Solar
Engineering & Construction.
Design-build solar for commercial and industrial sites. Feasibility, engineering, permitting, interconnection, and self-perform installation — under one roof, at national scale.
One contract.
Rooftop to grid.
Engineering & Design
In-house feasibility and yield studies, structural analysis, and electrical design for rooftop, carport, and ground-mount systems — all stamped in-house.
- Feasibility & yield studies →
- Structural analysis & racking design →
- Electrical & single-line design →
Permitting & Interconnection
AHJ permitting, zoning and entitlements, and utility interconnection — managed in parallel with design so approvals never stall the build.
- AHJ permitting & code compliance →
- Utility interconnection applications →
- Zoning & entitlements →
Installation
Self-perform solar crews and in-house electricians. Racking, modules, and full DC/AC electrical scope across rooftop, carport, and ground mount.
- Commercial rooftop arrays →
- Carport & canopy structures →
- Ground-mount construction →
Commissioning
System testing, inverter programming, monitoring, and utility witness tests — through permission to operate and as-built documentation.
- Testing & utility witness →
- Monitoring & activation →
- As-built documentation →
Group crews in
25+ states.
Concordia Group self-perform crews and in-house engineering, deployed across the country. Wherever the portfolio goes, it's the same accountable team.
Tell us where.
We'll tell you when.
Most sites get a feasibility and yield read inside 5 business days.