Your technical arm against your own EPC.

Owner’s rep and independent oversight of your EPC, from plan review to closeout.

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Where we engage

  1. 01Evaluate
  2. 02Engineer
  3. 03Permit
  4. 04Oversee
  5. 05Commission
  6. 06Operate

Our Scope, Stage by Stage

  1. 01

    Evaluate & Diagnose

    • EPC, PPA and lease technical terms review
    • Site and technical feasibility
    • Production modeling
    • Utility program and incentive review
  2. 02

    Engineer & Analyze

    • Plan set reviews: 30/60/90%, IFP, IFC, as-built
    • Constructability and code review
    • P.E.-stamped plan sets
    • Storage and microgrid integration studies
    • Contractor submittal reviews for the owner
  3. 03

    Permit & Interconnect

    • Entitlement, permitting and interconnection risk and processing
    • Interconnection application and utility coordination
    • Safe harbor and BOC records review
  4. 04

    Construction Oversight

    • Owner’s rep and independent EPC / GC oversight
    • Payment application review and draw sign-off
    • QA/QC inspections and hold-point witnessing
    • Change order review
    • Safety audits
  5. 05

    Commission & Verify

    • Commissioning, or sign-off of the EPC’s docs
    • Punch list, closeout and turnover verification
    • Capacity test witness (ASTM E2848)
    • Plant commissioning and testing processes and procedures
    • Utility inspection and PTO support
  6. 06

    Operate & Maintain

    • Warranty-period inspections before the EPC warranty expires
    • O&M scope and contract technical review
    • Technical data room for asset sale

Not an exhaustive list. A scope of work is created specific to your project’s needs.

Technical analysis and diagnostics are performed nationally; licensed construction and remediation in California. Contract support is technical and commercial in nature; CNES does not provide legal advice.

How we check the EPC’s work.

Commissioning & Startup

Verifies the plant was built to spec.

  • ASTM E2848 capacity test
  • IEC 62446 commissioning verification
  • Functional and integrated testing

Code & Compliance

Confirms the asset is lawful and financeable.

  • NEC 690 / 705 PV wiring
  • IEEE 1547 interconnection
  • NFPA 855 / UL 9540A BESS fire

Electrical Testing

Finds the fault, not the symptom.

  • IV curve tracing and string-level testing
  • Insulation resistance (megger)
  • Ground- and arc-fault location
Every test method

Both sides of the EPC table.

Client names withheld; references on request. “Prior firm” items were delivered by CNES leadership before CNES existed.

  • Founded and led a development and engineering platform
  • 150 MW+ through design, structural and entitlement
  • In-house rooftop racking system developed and deployed
  • Interconnection across NEM, FiT and multi-state programs
  • Construction and PM as Head of Construction and COO
  • 2 GW+ / $3B+ delivered at a prior firm (leadership)Prior firm

Other Counterparties

Put an engineer on your side of the table.

Send the asset and the question. We’ll scope it.

Discuss an asset