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Solar performance case study

BGM Enterprise

67.7 kW solar. 8,124 units generated every month.

  • Commercial
  • Rooftop solar
  • Jaito, Bhatinda
  • Rice shelling
Jaito, Bhatinda
67.7 kW
Installed capacity
8,124 units
Avg. monthly generation
₹1.07L
Est. monthly savings
27 months
Simple payback
Rooftop solar array at BGM Enterprise
67.7 kW rooftopAvaada TOPCon × Solis
01Who they are

A rice shelling business based in Jaito, Bhatinda.

BGM Enterprise operates a commercial rice shelling facility in Jaito, Bhatinda, Punjab. With a large tin-shed rooftop and substantial electricity consumption driven by its operations, the facility presented an opportunity to generate a significant portion of its power requirement through rooftop solar.

Industry
Rice shelling
Site type
Commercial
Roof type
Tin shed
Sanctioned load
140 kVA
02The business challenge

A monthly electricity bill of more than ₹1.64 lakh.

Before solar, BGM Enterprise consumed approximately 12,432 units of electricity every month, resulting in an average monthly electricity bill of around ₹1,64,046.

For a rice shelling facility with significant and recurring power requirements, electricity represented a substantial operating expense. The tin-shed rooftop offered an opportunity to generate power on-site and reduce the facility's dependence on grid electricity.

Pre-solar billMonthly average
₹1,64,046
average monthly bill, 100% from the grid
12,432
units consumed per month
₹13.19
effective cost per unit
03The solution

A 67.7 kW rooftop solar system installed on the tin shed.

Installed capacity
67.7kW

Powermore designed and installed a 67.7 kW rooftop solar system at BGM Enterprise, using Avaada TOPCon modules paired with a three-phase Solis PV solar inverter.

Modules
Avaada TOPCon NON-DCR 720 Wp
Inverter
Solis 60 kW Three-Phase PV Solar Inverter
Location
Jaito, Bhatinda, Punjab
Roof type
Tin shed
Average monthly generation
8,124 units
Sanctioned load
140 kVA
  1. 01
    Generate

    N-Type TOPCon modules on the tin shed roof

  2. 02
    Convert

    Solis 60 kW Three-Phase PV Solar Inverter

  3. 03
    Self-consume

    Site load is served first, behind the meter

  4. 04
    Save

    ₹1.07L estimated saving every month

04The impact

From ₹1.64 lakh a month to an estimated ₹56,800.

The system is expected to generate approximately 8,124 units every month against pre-solar consumption of 12,432 units, leaving about 4,308 units a month to come from the grid. At the pre-solar effective rate of approximately ₹13.19/unit, the estimated electricity cost after solar comes down to about ₹56,800 a month.

65.3%
Estimated energy offset
₹1.07L
Estimated monthly savings
₹12.93L
Estimated annual savings
Monthly electricity cost
₹ · before solar vs estimated after solar
Before solarAfter solar (est.)
Before solarAfter solar*

*Estimated post-solar cost is average monthly consumption minus average solar generation, valued at the pre-solar effective rate. Actual bills may vary due to fixed charges, demand charges, taxes, tariff structure, generation timing and the applicable grid or net-metering arrangement.

Grid energy drawn
Indexed to pre-solar consumption (12,432 units = 100)
Before solar100
After solar34.7
From grid
Offset by solar · 65.3
Solar generation
8,124 units/month
Still from the grid
4,308 units/month
05Savings summary & ROI

The numbers behind the installation.

The project has an estimated 27-month payback period, making the rooftop solar system a significant long-term investment in controlling electricity costs.

Estimated monthly electricity savings
₹1.07L
Estimated annual electricity savings
₹12.93L
Simple payback period
27 months
Payback timeline
Years from commissioning
Payback · 27 months
Y0Y1Y2Y3Y4Y5Y6Y7Y8Y9Y10
Based on the supplied figures:
  • Pre-solar monthly bill: ₹1,64,046
  • Pre-solar consumption: 12,432 units/month
  • Effective electricity rate: ₹13.19/unit
  • Average monthly solar generation: 8,124 units/month
  • Estimated remaining grid consumption: 4,308 units/month
  • Estimated post-solar electricity cost: ₹56,800/month
  • Estimated monthly savings: ₹1.07 lakh
  • Estimated annual savings: ₹12.93 lakh
06Key observations

What the numbers actually show.

  1. 01A significant portion of electricity consumption can be offset.

    With average monthly generation of approximately 8,124 units, the solar system can offset an estimated 65% of the facility's pre-solar monthly consumption.

  2. 02The electricity bill can come down significantly.

    Based on the estimated energy offset, the monthly electricity cost moves from approximately ₹1.64 lakh before solar to about ₹56,800 after solar.

  3. 03The savings add up.

    At an estimated saving of approximately ₹1.07 lakh every month, the project represents approximately ₹12.93 lakh in annual electricity cost savings.

Savings at a glance

Before solar, and with solar.

MetricBefore solarAfter solar*
Monthly electricity consumption12,432 units4,308 units from grid
Monthly electricity bill₹1,64,046₹56,800
Effective electricity rate₹13.19/unit₹13.19/unit
Solar generationN/A8,124 units/month
Estimated energy offsetN/A65.3%
Estimated monthly savingsN/A₹1.07L
Estimated annual savingsN/A₹12.93L
PaybackN/A27 months

*Estimated post-solar electricity cost is based on average monthly consumption minus average monthly solar generation, valued at the pre-solar effective electricity rate. Actual electricity bills may vary due to fixed charges, demand charges, taxes, tariff structure, generation timing and applicable grid or net-metering arrangements.

The Powermore approach

More control over the cost of doing business.

For an energy-intensive business like rice shelling, electricity isn't just another utility expense; it directly contributes to the cost of operations. BGM Enterprise's rooftop solar system is designed to offset a significant portion of that recurring expense while turning available roof space into a long-term source of power.

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