A commercial rooftop with a large solar array

Commercial solar

Rooftop solar sized against how your business actually trades.

Warehouses, retail units, offices and mixed-use buildings each carry a different roof, board and demand curve through the trading day.

Sized on measured demand, not roof area

Commercial solar

Sized against how your business actually trades


A commercial rooftop solar array

01

Retail and office buildings

Load concentrated in trading hours, often with air conditioning setting the midday peak, which usually lines up well with generation.

A warehouse roof with a large solar array

02

Warehouses and logistics

Large, often underused roofs, but existing plant, skylights and fire routes can remove a significant share of the apparent surface.

A mixed-use building rooftop

03

Multi-unit and mixed-use buildings

Shared roof, separate meters. Who owns the array and how generation is allocated between tenants has to be agreed before design starts.

What we assess

The survey before the proposal.

Four things a real assessment covers before anything is proposed.

Roof and structure

Existing plant, maintenance walkways, fire routes and roof edge safety zones, plus load-bearing capacity for the mounting system.

Measured demand, not billed totals

Half-hourly or hourly consumption data, where available, to show the shape of demand across a trading day and the seasons.

The distribution board and connection point

Spare capacity, protection and where a new connection point can reasonably be planned, checked against the existing installation.

What the business expects to add later

EV charging for staff or fleet vehicles, additional plant, or a change in trading hours all change what today’s design reserves for.

Design decisions

The choices that actually change the outcome

Every one of these is settled in writing before installation is scheduled.

01

System sizing

Sized against the load the building actually carries during trading hours, so generation is used rather than exported at a lower return.

02

Mounting method

Ballasted mounting where the roof and its warranty allow it, keeping penetrations to a minimum on an occupied, trading building.

03

Connection planning

Agreed with the distribution board’s existing capacity in mind, so the connection point does not become the constraint on system size.

04

Installation scheduling

Sequenced around trading hours, with any required supply interruption planned as a single agreed window rather than left open-ended.

05

Monitoring access

Set up for whoever is responsible for the building, not only for the installer, so a change is noticed by the person who can act on it.

06

EV charging capacity

Reserved in the design for staff or fleet charging even where nothing is installed on day one.

Next step

Send the building and how it is used.