Build commercial PV projects on stronger technical foundations

Solar PV design and engineering support for commercial and industrial projects, from proposal concepts to finance, PPA and preliminary engineering.

 ⛨  PV design support for installers, EPCs, developers, and commercial energy teams.

THE PROBLEM WE SOLVE

A commercial PV design should reflect the building, the load, the grid route and the installation reality. Nortcel helps project teams reduce uncertainty before pricing, approval, finance or delivery decisions are made.

Commercial solar succeeds when design reflects the site, load and delivery reality

Weak inputs create weak proposals

If drawings, roof constraints, load data or assumptions are incomplete, proposals can become difficult to defend later.

Grid and site risks can change the project

Export limits, DNO requirements, access, structure and roof obstructions can affect capacity, cost, programme and design direction.

Commercial decisions need technical evidence

Finance, PPA and client approval discussions are stronger when design assumptions are clear, visible and technically justified.

WHAT WE DESIGN

Nortcel supports commercial and industrial PV design across rooftop, carport and ground mount environments, helping each layout reflect the site, electrical context, energy demand and project route.

Commercial & industrial PV across roof, carport & ground mount systems

  • Roof mounted C&I systems

    Layouts developed around roof zones, skylights, walkways, exclusions, and installation practicality.

  • Pitched roof systems

    Array layouts developed around pitch, orientation, roof geometry, edge zones, fixing approach, access and equipment constraints.

  • Flat roof systems

    East-west or south-facing layouts with spacing, shading, roof zone, ballast and mounting coordination considered where relevant.

  • Ground mount systems

    Concept layouts and assumptions based on boundaries, setbacks, topography and grid context.

  • Solar carports

    PV canopy layouts coordinated with parking geometry, access, structure, EV charging opportunities and site electrical strategy.

DESIGN SUPPORT BY PROJECT STAGE

Nortcel structures design support around the decision being made, from early proposal clarity to finance, PPA, DNO and permitting preparation.

Choose the right design stage for the decision ahead

  • ESSENTIAL CONCEPT

    Proposal Level

    Early design clarity for client proposals and budget decisions.

    Outputs

    • Site review

    • Indicative layout

    • Capacity estimate

    • Generation view

    • Risk notes

  • ADVANCED CONCEPT

    Finance and PPA

    Stronger demand, export and value assumptions for commercial evaluation.

    Outputs

    • Consumption-led sizing

    • Half-hourly review

    • PPA scenario comparison

    • Refined layout

    • Export assumptions

  • PRELIMINARY ENGINEERING

    DNO and Permitting

    Preliminary engineering support before grid, permitting, pricing or delivery.

    Outputs

    • SLD

    • Stringing approach

    • Inverter strategy

    • Mounting coordination

    • DNO inputs

DESIGN SERVICES

Our commercial solar design service can include

Nortcel can support a single design task or a wider design package, depending on the project stage and the information available.

Site and feasibility review

Review drawings, surveys, maps, roof or land areas, constraints, access, exclusions and available commercial information.

3D design and shading analysis

Develop 3D models, roof layouts and shading studies to improve production assumptions and stakeholder confidence.

SLD and Electrical documentation

Prepare SLDs, string layouts, inverter location notes, cable routing assumptions and electrical information for project review.

Mounting system coordination

Support mounting strategy, roof zones, ballast considerations, clamp zones and supplier information where required by project scope.

Consumption-led sizing

We use bills, half-hourly data and operating information to align PV capacity with site demand, export & commercial objectives.

System design and modelling

Define layout, module quantity, inverter approach, stringing logic, generation assumptions, losses and practical design limitations.

Battery and EV integration

Review battery, EV charging and load management opportunities where they strengthen self consumption, resilience or site value.

Grid and DNO application support

Support G98, G99, G100 and DNO related information where the project scope requires grid connection inputs.

HOW IT WORKS

A structured route from project information to design output

  • Project Brief

    Share site details, drawings, roof information, half-hourly data, bills, operational notes and known constraints.

  • Technical Review

    We review demand profile, roof environment, electrical context, grid information and available project data.

  • Scope Definition

    We confirm assumptions, deliverables, turnaround time and the most suitable design route.

  • Design & Modelling

    Our team develops layouts, yield assumptions, stringing, inverter strategy and design documentation.

  • Delivery & Support

    Receive structured outputs with support for revisions, queries and stakeholder review.

Have a commercial PV project ready for review?

Send us the project details, and we will help identify the right design stage and the next technical step.

STANDARDS & COMPLIANCES

Our design process considers the relevant electrical, grid, installation, building and construction safety requirements for the scope of each project.

Designed with UK requirements in mind

THE NORTCEL ADVANTAGE

Why commercial PV teams work with Nortcel

Nortcel gives project teams access to specialist solar design and engineering support without building every capability in house.

Specialist C&I PV focus

Work with designers familiar with commercial roof, carport, ground mount, grid, electrical and stakeholder requirements.

Lower design overhead

Avoid recruitment, salaries, training, software licences and hardware costs for fluctuating design workloads.

Flexible capacity

Scale design support up or down as proposal, tender, survey or delivery demand changes.

Faster project movement

Dedicated external capacity helps keep projects progressing when internal teams are already committed.

Structured quality control

Design outputs are reviewed for accuracy, assumptions, practical constraints and documentation quality.

Commercially useful outputs

Documentation supports sales, finance, DNO, permitting, PPA, and stakeholder review.

CLIENT PROOF

Trusted design support for commercial PV teams

3100+

designs completed

690+

MW designed

18+ 

long term partnerships

PROJECTS IN FOCUS

Selected project snapshots showing Nortcel’s work across solar PV design, project development, technical review and renewable energy engineering.

Nortcel’s Projects that deliver impact

Frequently asked questions

Ready to Move

Your Project Forward?

Share your project details and speak directly with a solar design engineer. We will review your requirements, clarify the scope and guide you towards the right design solution for your site.