Scope of Services

McCalmont Engineering provides design and engineering services to the solar PV industry.  Our services include:  

  • System scope analysis
  • Optimal tilt, azimuth, and inter-row analysis
  • Shade and solar resource assessment
  • Projected power generation estimates
  • System design consulting
  • Site plans including major equipment placement
  • Mounting design and engineering
  • AC grid-connection designs including MV (medium voltage) interconnects
  • Substation engineering and design
  • DC string and combiner box calculations
  • Module-to-Inverter match calculations
  • Wire, conduit, and voltage drop calculations
  • Single-line diagrams and detailed schematics
  • Supervisory Control And Data Acquisition (SCADA) system engineering and design
  • Stamped and signed electrical drawings and calculations
  • Setback, access, and fire code requirements
  • Solar interoperability design
  • Permit package preparation and submittal
  • Energy storage incentive programs and rebates applications
  • Equipment placement (batteries, inverter, enclosure, and monitoring system)
  • Site assessments and system sizing
  • Licensed dealer for eMonitor energy monitoring system
  • Electric bill analysis
  • Cost comparisons of design, equipment, and installation options
  • Savings analysis through tax credits, grants, rebates, and incentives
  • Projected Return on Investment
  • Civil, environmental, geotechnical, and structural engineering subcontractor coordination and staging
  • Equipment procurement and logistics
  • Onsite construction management during project completion
  • Interconnection application package preparation and submittal
  • Coordination and signoffs of required building inspections
  • Detailed project plans and schedules



  • Licensed Professional Engineers in Multiple States
  • NABCEP Certified PV Installation Professionals
  • California Licensed B, C-10, and C-46 Contractor