On every job. Isolators are required by
wiring regs; cable length is the only figure that really moves.
30m is a placeholder, not a calculation
Nothing in the catalogue says how much cable a job needs — it depends on the run from
roof to inverter. Measure it at survey and put the real number in.
Extras
Same running order as the OpenSolar closer calculator —
but every priced line comes from Midsummer, not that sheet.
Labour & certification
Total Project Cost
What the choices on the left add up to
Overview
Array
—
Storage
—
Project total
—
£ per kW
—
Products at cost
—
Margin added
—
Profit left over
—
Net margin
—
Project total, ex-VAT
—
Prices are stored as they are today, so the example stays
true even when the catalogue moves.
Open decisions
What still needs agreeing before this drives a customer price.
Ticking one is a note to yourselves — it does not change any number.