Mansarovar Bungalow Residential Solar
🏠 Residential

Mansarovar Bungalow — 10 kW Rooftop Solar

📍 Mansarovar, Jaipur, Rajasthan  |  Completed April 2024

10 kW
System Size
💡
14,400
Units / Year
💰
₹1.15L
Annual Savings
📈
5.0 yrs
Payback Period
🌿
10.4 T
CO₂ Offset / yr
🕐
3 days
Install Time
Rooftop solar panels on Mansarovar bungalow
Project Overview

A Doctor's Home That Now Earns From the Sun

The Challenge

Dr. Anita Verma's three-storey bungalow in Mansarovar Colony, Jaipur, was consuming electricity like a small clinic. Between the air conditioners — two inverter ACs on the second floor, one in the consulting room on the ground floor — plus the RO unit, washing machine, refrigerators, and round-the-clock security lighting, her monthly bill regularly crossed ₹15,000 in summer. She had been considering solar for three years but was held back by two concerns: the aesthetics of her recently renovated terrace, and whether panels would survive Jaipur's intense dust storms.

The terrace had a partial staircase cover that created shade on the northern section. An additional water tank and two small AC outdoor units occupied the south-western corner. Usable, shade-free area was approximately 72 m² — enough for 10 kW but requiring precise layout to avoid any self-shading throughout the year.

The FGPS Solution

Our design team ran a full 8-760 hour shade simulation and identified a 56 m² sweet spot on the south-facing slope, accommodating 24 panels in four strings of six. We specified a single-phase hybrid inverter with battery-ready architecture, giving Dr. Verma the option to add storage later without rewiring. Mounting was done on a low-profile MS angle structure finished in charcoal grey, complementing the terrace's existing tile work. Bird guards were fitted along all panel edges.

Installation was completed in three days with zero damage to the terrace waterproofing. Our team used custom rubber-pad isolators under every bracket base plate. The system was commissioned, DISCOM net-metering applied for, and the first bi-directional meter installed within 18 days of the contract date — a record for the Jaipur Vidyut Vitran Nigam (JVVNL) jurisdiction.

Technical Details

System Specifications

SpecificationDetails
Panel TypeAdani 415 Wp Mono PERC Half-Cut N-Type
Panel Count24 panels
InverterSolarEdge SE10K Hybrid — single-phase, battery-ready
Mounting SystemLow-profile MS angle frame, rubber-pad isolated, 18° tilt
OrientationSouth-facing, 18° tilt (optimised for Jaipur latitude 26.9°N)
Roof Area Used56 m²
Annual Generation14,400 kWh (CUF ~16.4%)
Net MeteringJVVNL bi-directional meter — surplus exported to grid
MonitoringSolarEdge app — panel-level production tracking
Warranty25-yr panel performance; 10-yr inverter; 5-yr workmanship
Financial Results

Monthly Electricity Bill

Average across all twelve months, including summer peak months when AC consumption is highest.

Before Solar
₹15,000
per month avg.
After Solar
₹3,500
per month avg.
77%
reduction in electricity cost

The 10 kW system meets approximately 95% of daytime electricity demand directly from solar. On typical Jaipur summer days with 8+ peak sun hours, the system generates around 80 units — comfortably running three ACs, the refrigerators, and all lighting simultaneously with surplus feeding back to the grid.

The residual ₹3,500 monthly bill covers nighttime consumption and the fixed JVVNL connection charge. In monsoon months (July–September) when generation dips slightly, the grid import is marginally higher, but net-metering credits accumulated in April–June offset this entirely. Dr. Verma's annual electricity expenditure has fallen from ₹1.8 lakh to under ₹42,000.

With a total project cost of approximately ₹5.75 lakh (after MNRE subsidy under PM Surya Ghar Muft Bijli Yojana), the simple payback is exactly 5.0 years. Post-payback, the system will save the household an estimated ₹28–35 lakh over its 25-year life, assuming a modest 4% annual increase in grid tariffs.

★★★★★
I was skeptical — I'd heard stories of companies overpromising and underdelivering. FGPS Solar was different from the first site visit. They explained everything clearly, the installation was spotless, and my terrace looks better than I expected. Three months in, my bill has dropped from ₹15,000 to under ₹3,500. I only wish I had done this three years ago when I first started thinking about it. Their after-sales team is also excellent — they responded within two hours when I had a question about the app.
Dr. Anita Verma Homeowner & General Physician, Mansarovar, Jaipur

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