Load-based sizing
Build your system.
Six inputs. A complete standalone specification with an indicative price band. Figures are engineering estimates for early planning — a site survey confirms the final build.
Your inputs
Daily electricity usage
9kWh
215304560 kWh
≈ 270 units per month on your CEB bill · or start from a typical load:
Or start from one of our recommended packages:
When is your peak usage?
24 H LOAD SHAPE00:0006:0012:0018:0024:00
Solar hoursRuns off battery
Backup autonomy
Battery chemistry
Site & sunlight
40m²
Roof / ground area available
8100200300400 m²
Budget range
LKR 10.0 L
3 L20 L40 L60 L80 L
Recommended specification
MIXED PROFILELiFePO₄
PV array
4.25kW
7 × 625 W bifacial modules
Supplied via partner
Battery bank
5kWh
1 × 5 kWh @ 48 V
GearUp supplied & commissioned
Inverter
10kW
48 V hybrid, MPPT built in
Capped at 10 kW by bank size
Daily generation
17.6kWh
At 4.6 peak sun hours
27.6 m² of array footprint
Daily energy split196% coverage
Direct solar 50%From battery 50%
1 module≈ 13 h reserve
Usable reserve at your average load
Indicative total, supplied & installed
LKR 10.6 L – LKR 13.9 L
Over by LKR 2.26 L
PV modules (4.25 kW, partner)LKR 276,250
Battery bank (5 kWh LiFePO₄)LKR 350,000
Hybrid inverter (10 kW, partner)LKR 300,000
Mounting, cabling, installation & transportLKR 300,000
Indicative totalLKR 1,226,250
This is a rough estimate only. The final quote can vary based on component price changes, transport distance to your site, road access for delivering equipment, how high the panels need to be mounted, and the number of floors on the building. A site survey confirms the actual figure.
Want the exact number?
Send this specification through and one of our engineers will come back with a firm quote — or call us and we'll walk your load list line by line.
4.25 kW · 5 kWh · 10 kW
≈ LKR 12.3 L