Skip to content
LogoBharat ShaktiSolar

Solutions

Five ways we build.

The right system depends on your load profile, your roof and how much an outage costs you. Each page below says what the system does — and what it does not.

Solar modules fitted to the pitched roof of a house against a clear sky
01

Residential rooftop

A grid-connected system sized to your own consumption, built on a structure that clears the terrace for everyday use.

Typical capacity
2 – 10 kW
Roof area
200 – 1,000 sq ft
A mid-rise commercial building in Bengaluru against a clear sky
02

Commercial rooftop

Daytime load and daytime generation line up almost perfectly, which is why commercial rooftops pay back faster than almost any other solar application.

Typical capacity
10 – 500 kW
Roof area
1,000 – 50,000 sq ft
A factory with a fully covered solar roof and storage silos, seen from the air
03

Industrial EPC

Full engineering, procurement and construction for large shed and ground-mount arrays, delivered against a defined scope, schedule and performance basis.

Typical capacity
100 kW – 2 MW
Roof area
10,000 sq ft and above
A wall-mounted hybrid inverter with its DC isolator and consumer units, above a bank of four battery modules in a plant room
04

Hybrid and storage

Solar that keeps running when the grid stops — with the sizing, cost and limits of storage stated plainly before you commit to it.

Typical capacity
3 – 50 kW with 5 – 30 kWh storage
Roof area
As for an equivalent on-grid system
A technician cleaning the surface of a rooftop solar array with a water-fed brush
05

Maintenance and AMC

Generation falls quietly. Scheduled cleaning, electrical checks and monitoring catch the losses that no one notices on a bill.

Typical capacity
Any capacity
Roof area
—
§ 04On-grid, hybrid or off-grid

Only one of these keeps working in a power cut.

An on-grid system shuts down during an outage — by design, and by regulation, so that it cannot energise a line someone is working on. Backup needs a battery, and a battery changes the economics.

On-grid

Lowest cost per unit generated

Runs during an outage
No
Needs a battery
No
Can export to the grid
Yes

Best forLowering the bill where the supply is reasonably reliable

Shuts down during a power cut by design, so that no supply is fed into lines under repair.

Hybrid

Higher — the battery adds cost without adding generation

Runs during an outage
Yes
Needs a battery
Yes
Can export to the grid
Yes

Best forLowering the bill while keeping selected circuits running

Backs up the circuits it was wired for, for as long as the battery holds. Not the whole building indefinitely.

Off-grid

Highest — sized for the worst stretch of weather in the year

Runs during an outage
Yes
Needs a battery
Yes
Can export to the grid
No

Best forSites with no usable grid connection at all

No export, no net metering, and not eligible for the central residential subsidy.