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MEP engineering for solar, EV charging & backup power.

Solar, storage and charging are an electrical design problem first: the service, the load and the code. We document it so the plan reviewer can follow it.

Solar panels on a large commercial roof

In shortSolar, storage and charging are an electrical design problem first: the service, the load and the code. We size PV (NEC 690, 705), batteries (706), EV charging (625) and generators (700 to 702), and document it so the plan reviewer can follow.

Rooftop solar panels on houses under a rainbowElectric vehicle chargers in a car park

Scope, by discipline.

Typical items on solar, ev charging & backup power projects. Exact scope is agreed before we start.

Electrical

  • PV array layout, string sizing and single-line diagrams (NEC 690 / 705)
  • Battery storage design (NEC 706)
  • EV charging infrastructure and load management (NEC 625)
  • Generator and transfer switch sizing (NEC 700 / 701 / 702)

Engineering

Design assist and permit drawings.

  • EV charging stations
  • Rooftop solar PV (residential & commercial)
  • Battery storage (BESS)
  • Solar-ready design
  • Generator & backup power

Drafting and modeling

Revit, CAD and BIM.

  • MEP drafting in Revit and AutoCAD
  • Solar PV systems (rooftop & carport)
  • MEP coordination & clash detection

Services for solar, EV charging and backup power, by region.

A tick marks the services we support in each region. Open a region for its standards and scope.

RegionElectricalMechanicalPlumbingMEP drafting & modeling
USA & CanadaEngineering assist, design assist and modeling assist
Australia & New ZealandEngineering assist, design assist and modeling assist
Middle EastModeling, lighting & photometric analysis, with electrical, drafting and support
United KingdomModeling, lighting & photometric analysis, with electrical, drafting and support
IrelandModeling, lighting & photometric analysis, with electrical, drafting and support
NetherlandsModeling, lighting & photometric analysis, with electrical, drafting and support
FinlandModeling, lighting & photometric analysis, with electrical, drafting and support

Electrical design assist, calculations, drafting and modeling are included in every region.

Questions about solar, EV charging and backup power.

How do you design solar PV to the NEC?

We lay out the array, size strings and conductors, design rapid shutdown and the interconnection to NEC Articles 690 and 705, and draw the single-line diagram, so the plan reviewer can follow the system from array to service. Every design is prepared for the NEC edition your state has adopted.

How do you size an EV charging installation?

We calculate the charger load at the continuous-load factor the code requires, check the service and panel capacity, and where several chargers share one service design energy management (NEC 625.42) so the main service does not need upsizing. We also size the conduit and panels and coordinate meter placement with the utility.

Do you design battery storage and backup power?

Yes. Battery energy storage to NEC Article 706 (and AS/NZS 5139 in Australia and New Zealand), and generators and transfer switches to NEC Articles 700, 701 and 702 with the sizing and sequencing documented.

Do you design solar for Australia and New Zealand?

Yes. PV arrays to AS/NZS 5033, inverter grid connection to AS/NZS 4777 and batteries to AS/NZS 5139, coordinated with the network operator on export limits and protection settings. See Australia and New Zealand.

Which MEP services do you offer for solar, EV charging and backup power?

For solar, EV charging and backup power we provide electrical design assist and calculations, plus MEP drafting and Revit modeling. Typical scope includes PV array layout, string sizing and single-line diagrams (NEC 690 / 705), battery storage design (NEC 706) and EV charging infrastructure and load management (NEC 625). The exact scope is agreed before we start.

Where do you provide MEP drafting and modeling for solar, EV charging and backup power?

In every region we serve: the US and Canada, Australia and New Zealand, the United Kingdom, Ireland, the Netherlands, Finland and the Middle East. Electrical design assist, calculations, drafting and modeling are available in every region. See regions.

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Tell us the discipline, the code and the deadline. We reply with a price and a date, usually within one business day.

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