Solar questions, answered.

Costs, tax treatment, PPAs, batteries and generation, written by the team that designs and installs commercial solar. Search or browse below.

Commercial Solar

8 questions
Tax BenefitsCapacity Planning

Are Commercial Solar Panels Worth It?

For a business that uses electricity during the day, usually yes, and the maths is unusually straightforward. Typical paybacks run three to…

Tax Benefits

Does Commercial Solar Qualify for Full Expensing?

Not the way most websites tell it. Solar panels are classed as special rate plant and machinery, so under the full expensing rules they earn…

Capacity PlanningTax Benefits

How Much Does Commercial Solar Cost?

Commercial rooftop solar in 2026 typically costs £700 to £1,200 per kWp installed, and the rate falls as systems grow. A 30kWp system for a…

Tax Benefits

What Is a Solar PPA?

A power purchase agreement is solar without the capital outlay. A funder designs, installs and owns the system on your roof, and you simply…

Capacity Planning

Can I Add Battery Storage Later?

Yes, cleanly. Batteries retrofit to an existing commercial solar system through AC coupling: the battery arrives with its own inverter and c…

Maintenance & SupportCapacity Planning

How Long Does Commercial Solar Installation Take?

The roof work itself moves fast: one to three weeks for most commercial systems, scaffolding to commissioning, without stopping your operati…

Capacity Planning

How Much Electricity Will Commercial Solar Generate?

A well designed UK commercial rooftop generates around 850 to 950 kWh for every kWp installed, every year. A 100kWp system therefore produce…

Maintenance & Support

What Maintenance Does Commercial Solar Need?

Remarkably little for a 25 year asset. No moving parts means the routine is remote monitoring, an annual inspection, cleaning when soiling j…