#SRV-2026-042 Residential Rooftop Solar Feasible (Quote Ready)
Inspected: 24 Aug 2026 by Er. Vikas Singh (Senior Solar Engineer)
Dr. Arvind Mehra
B-12, Sector 4, Gomti Nagar Extension, Lucknow, UP 226010 · GPS: 26.8467° N, 80.9462° E
Phone: +91 98390 11223 · Email: arvind.mehra@gmail.com
Recommended Capacity
5.4 kWp
10x 540W Mono PERC
Shadow-Free Area
1,450 sq. ft.
95% Optimal South Facing
Current Electricity Bill
₹8,500 / month avg.
Connected Load: 7 kW
Est. Monthly Savings
₹7,200 / mo
~85% Bill Reduction
Roof Surface Construction Flat RCC Concrete Slab (Tile Finish)
Total Rooftop Space 1,450 sq. ft. Total Usable Area
Sunlight & Shadow Analysis 95% Shadow-Free (South Facing)
Discom Sanctioned Load 7 kW Sanctioned Domestic (MVVNL / UPPCL)
Recommended System 5.4 kWp Rooftop Solar System
Expected Monthly Units 650–700 Units / Month
Cable Route Distance 18 meters to Main LT Panel (Backyard)
Structure Recommendation 15° Anodized Aluminum / Galvanized Rail
Surveyor Inspection Notes:
South-facing orientation has unobstructed sunlight throughout the day. Standard anodized aluminum elevated rail structure recommended with 15° tilt angle. AC distribution line length is 18 meters from roof to ground floor main meter panel. Space available for dedicated chemical earthing pit.
System components recommended based on site load & roof capacity
Import BOM to Quotation
Component Name Item Code Category Recommended Qty
540W Mono PERC Half-Cut Solar Panels LUM-PAN-540W Solar PV Module 10 Pcs (5.4 kWp)
5kW Single Phase Hybrid Solar Inverter LUM-INV-5KW Inverter / PCU 1 Unit
12.8V 30Ah LiFePO4 Inbuilt Battery Bank LUM-BAT-30AH Battery Storage 2 Pcs (Optional Backup)
Hot-Dip Galvanized Mounting Structure (15°) LUM-STR-5KW Mounting Hardware 1 Complete Set
AC/DC Distribution Box with SPD & MCBs LUM-BOS-5KW BOS & Protection 1 Set
Rooftop Panoramic (South Facing)
Clear shadow-free terrace area
Main Electricity Meter & Distribution Box
7 kW single phase meter board
Proposed Inverter Mounting Wall
Covered balcony wall for PCU installation
Earthing Pit Site Location
Backyard ground soil space for 3 pits