TATA Solar 8 kW On-Grid Solar System

 Government Subsidy Eligible: This capacity is fully eligible for central financial assistance under the PM Suryagarh Muft Bijli Yojana, heavily subsidizing your initial installation cost.

 

Accelerated ROI: With massive savings on utility bills and government subsidies, the typical return on investment (ROI) is achieved within a rapid 3 to 4 years.

 

Net Metering Integration: Seamlessly trade electricity with your local DISCOM. Bank your excess daytime generation to offset your nighttime grid consumption.

 

Zero Battery Maintenance: Operating entirely without batteries, this system eliminates the recurring replacement costs, space constraints, and maintenance hassles associated with battery banks.

 

Intelligent MPPT Technology: The inverter utilizes Maximum Power Point Tracking (MPPT) to continuously adjust and extract the absolute highest possible yield from your panels, even during partial shading or overcast weather.

Engineered for high-efficiency grid synchronization utilizing premium tier-1 string inverters (Tata Kit / Solax / Solis):

• Dual MPPT Tracking: Real-time ultra-fast tracking for maximized yield across overcast conditions.
• Peak Conversion Efficiency: Industry-leading efficiency curve exceeding 98.4%.
• Smart Remote Cloud Monitoring: Integrated Wi-Fi/GPRS logging module for mobile apps, tracking real-time generation logs.
• Grid Safety Standards: Built-in Anti-Islanding Protection (IEEE 1547 / IEC 62116 compliant) preventing back-feeding during utility blackouts.
• Rugged Casing: IP65 robust dust and waterproof enclosure designed for direct outdoor placements.

Parameter	Specification / Estimate
System Capacity	8 kW ((8, 0) Watts)
Space Required	750 to 800 Sq. Ft.
Estimated Daily Generation	32 to 40 Units (kWh)
Estimated Monthly Generation	960 to 1,200 Units (kWh)
Estimated Annual Generation	11,520 to 14,400 Units (kWh)

(Note: Actual generation figures are contingent upon geographic location, roof orientation, ambient temperature, and localized weather conditions.)

• Government Subsidy Eligible: This capacity is fully eligible for central financial assistance under the PM Suryagarh Muft Bijli Yojana, heavily subsidizing your initial installation cost.
• Accelerated ROI: With massive savings on utility bills and government subsidies, the typical return on investment (ROI) is achieved within a rapid 3 to 4 years.
• Net Metering Integration: Seamlessly trade electricity with your local DISCOM. Bank your excess daytime generation to offset your nighttime grid consumption.
• Zero Battery Maintenance: Operating entirely without batteries, this system eliminates the recurring replacement costs, space constraints, and maintenance hassles associated with battery banks.
• Intelligent MPPT Technology: The inverter utilizes Maximum Power Point Tracking (MPPT) to continuously adjust and extract the absolute highest possible yield from your panels, even during partial shading or overcast weather.

Every system is built using Tier-1 primary components and heavy-duty Balance of System (BOS) materials to ensure a 25+ year operational lifespan.

1. Primary Solar Components

Component	Brand	Qty	Model & Detailed Specification
Solar PV Modules	TATA Solar	15 Nos.	560W High-efficiency DCR Mono-PERC / Topcon Half-Cut panels. Designed for superior low-light performance, extreme weather durability, and reduced hotspot risk.
Grid-Tie Inverter	Tata Kit/Solax/Solis	1 No.	8 kW On-Grid String Inverter. IP65 rated for outdoor use, built-in Wi-Fi/LAN for mobile app monitoring, anti-islanding protection, and intelligent single/dual MPPT.

2. Electrical & Protection Systems

Component	Approved Brands	Qty	Model & Detailed Specification
DCDB (DC Distribution)	Standard OEM, Elmex, Havells, etc.	1 No.	IP65 Enclosure containing 1000V DC fuses and a specialized DC Surge Protection Device (SPD).
ACDB (AC Distribution)	Standard OEM, Elmex, Havells etc.	1 No.	IP65 Enclosure installed before the home load, containing an AC Surge Protection Device (SPD) and an AC MCB for safe isolation.
Lightning Arrester (LA)	Generic / OEM	1 No.	Copper-Bonded Spike or ESE LA mounted at the highest structural point to safely ground lightning strikes.
Chemical Earthings	Generic / OEM	3 Sets	1m/2m Copper-Bonded Electrodes installed with highly conductive Bentonite backfill compound. Dedicated, separate earthing pits for AC, DC, and LA line safety.

Comprehensive listing of structured balance-of-system (BOS) items and heavy structural attachments implemented for this system capacity:

Component	Approved Brands	Qty	Model & Detailed Specification
Mounting Structure (MMS)	Custom Fabricated	1 Set	Galvanized Iron (GI) structure (80-120 microns coating) designed to withstand high wind loads up to 150 km/h.
Hardware & Fasteners	Standard OEM	1 Kit	SS304 (Stainless Steel) nuts, bolts, spring washers, and heavy-duty anchor fasteners for securing the structure to the RCC roof.
DC Solar Cable	Polycab, Havells, KEI	30-50m	4 sq. mm UV-protected, XLPO insulated, Tinned Copper cable (Red & Black) to minimize voltage drop.
AC Output Cable	Polycab, Havells, KEI	20-30m	4 sq. mm flexible copper cable connecting the inverter output to the ACDB and main distribution board.
Earthing Wire	Standard OEM	40-60m	6 sq. mm to 10 sq. mm green PVC-insulated copper or aluminium wire connecting equipment to earth pits.
Connectors & Conduits	Standard OEM	As Req.	IP67 rated MC4 Connectors, heavy-duty UV-resistant PVC corrugated conduits, UV zip ties, and high-quality copper ring lugs/thimbles.

Component / Service	Warranty Duration	Coverage Details
Solar PV Modules	27 Years (Perf.) / 10-12 Years (Prod.)	Guaranteed to produce at least 80-85% of rated power at year 25. Covers manufacturing and craftsmanship defects for the first 10-12 years directly backed by TATA Solar.
On-Grid Inverter	10 Years	Comprehensive repair or replacement warranty against internal technical or operating faults (Brand dependent).
Mounting Structure	5 Years (AMC)	Warranty coverage against structural degradation, structural warping, and rust/corrosion build-up.
Workmanship & BOS	5 Years (AMC)	Comprehensive installation execution warranty covering high-voltage wiring integrity, string terminations, and balance-of-system functional support.