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Installed & running

Systems we have built
across Nadia.

Rooftops in Balia, shopfronts in Ranaghat, battery backup in Shantipur and irrigation pumps in the fields between. Every one of them is serviced by the same team that installed it.

Case studies

Real roofs, real numbers

3 kW On-Grid Rooftop installed by Battery House in Balia, Nadia
Residential

3 kW On-Grid Rooftop

Balia, Nadia ·On-grid · WBSEDCL net metering

3 kW installed 360 kWh/month 3.0 yrs payback

A family home running on a ₹3,200 monthly bill. A 3 kW array now covers the full daytime load and exports the surplus, leaving only fixed charges and a small night-time draw.

Before

₹3,200

After

₹350

  • PM Surya Ghar subsidy
  • Bi-directional meter
  • Mono PERC panels
Get a system like this
10 kW Commercial Rooftop installed by Battery House in Ranaghat, Nadia
Commercial

10 kW Commercial Rooftop

Ranaghat, Nadia ·On-grid · shops & light industry

10 kW installed 1,200 kWh/month 4.2 yrs payback

A shopfront and light-industrial unit on a commercial tariff — the highest slab in West Bengal. Ten kilowatts of roof now carries the daytime load that used to cost the most.

Before

₹11,400

After

₹1,900

  • Three-phase
  • Commercial tariff offset
  • Sanctioned-load filing
Get a system like this
5 kW Hybrid with Battery Backup installed by Battery House in Shantipur, Nadia
Hybrid + Storage

5 kW Hybrid with Battery Backup

Shantipur, Nadia ·Hybrid inverter · tubular bank

5 kW installed 600 kWh/month 6.5 yrs payback

Frequent evening load-shedding made backup the priority here. Solar runs the house by day, charges the bank with the surplus, and takes over the moment the grid drops.

Before

₹5,600

After

₹900

  • 8 hours backup
  • Instant changeover
  • Solar-first charging
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3 HP Solar Pump — Rural Setup installed by Battery House in Nadia district
Agricultural

3 HP Solar Pump — Rural Setup

Nadia district ·Shallow tube-well irrigation

3 HP (2.2 kW) installed 265 kWh/month 3.5 yrs payback

A shallow tube-well that used to run on diesel now runs on sunlight. Irrigation happens when the sun is strongest, which is exactly when the crop needs water.

Before

Diesel ₹3,000

After

₹0 fuel

  • No diesel cost
  • Daytime irrigation
  • Low maintenance
Get a system like this

Capacities, locations and billing figures are supplied by the client. Monthly generation is calculated at 120 units per kW per month for Nadia; payback is estimated after applicable subsidy.

Across every kind of roof in the district

RCC rooftops, tin sheds, shopfronts and open farmland each need a different mounting approach and a different conversation about load. We have done all four.

Book your free survey

Residential rooftops

RCC and tin-roof mounting systems

Shops & light industry

Three-phase, commercial tariff offset

Battery backup

Tubular and lithium storage banks

Agricultural pumping

2 HP – 5 HP shallow tube-wells

Zero-cost site inspection

Stop paying WBSEDCL for power your roof can generate free.

Talk to Pradip Roy and the Battery House team — shadow analysis, subsidy paperwork and load-backup sizing, all included in your free roof survey.

Call Now Free Survey