Solar-Me-Now

Internal sizing & costing calculator

SOLAR ESTIMATE

1 Energy demand

Monthly electricity bill

Tariff

R/kWh

Average monthly consumption

kWh

Last 3–6 months average.

Load	Watts	Qty	Hrs/day

2 Job details

Installation type

Supply phase

Roof / mounting type

Panel lifts required?

Charges (panels − 1) lifts.

AC cable run (inverter → DB)

First 10 m included; only metres beyond 10 are charged.

Within Gauteng?

Travel area

No area selected — travel excluded.

COC required?

Extras Stock collection/delivery Add 10% handling fee

3 Sizing targets

Solar offset

Peak demand

Target usable backup

kWh

Leave 0 to auto-suggest ~50% of daily use.

▶ Generation assumptions

Peak sun hours

h/day

Performance ratio

Battery usable depth (DoD)

+ Add-ons

4 Recommended system

Solar panel

Auto-size quantity

Array: — kWp— panels

Inverter

Recommended qty (1)

—

Battery

Auto-size quantity

—

5 Client quote

Item	Qty	Total

VAT (15%)

TotalR 0

Cost per kWp

R —

Rough payback

— yrs

Prices are final (incl. VAT & markup) straight from your catalogue Sell column. Electrical & mounting is auto-estimated from system size — tune the rates in the price book. Quick-quote only; confirm load profile, roof condition and COC scope before issuing a binding quote.

$ Rates & price book

Installation labour

Panel — new

per panel

Panel — upgrade

per panel

Battery — new

per battery

Battery — upgrade

per battery

Inverter 5–10 kW

Inverter 12–20 kW

Inverter 20–80 kW

Stock collection/delivery (Gauteng)

COC — Gauteng

COC base (out of area)

COC per km (out of area)

AC cable 6 mm / m

AC cable 10 mm / m

AC cable 16 mm / m

AC cable 25 mm / m

AC cable 35 mm / m

AC cable 50 mm / m

Panel lift (each)

Electrical & mounting estimate (auto from size)

DC consumables / panel

AC electrical — 1-phase (5–20 kW)

AC electrical — 3-phase (12–50 kW)

Battery electrical / unit

Earthing

Add-on prices