1 KW Solar Panel Price in India

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India has abundant solar resources with most parts of the country receiving 4-7 kWh per square meter per day of solar radiation. This makes solar energy an attractive renewable energy option. A 1 kilowatt (KW) solar photovoltaic (PV) system can effectively meet the basic electricity needs of an average Indian household. But what is the true cost of installing such a system? This article provides a comprehensive overview of 1 KW solar panel prices and associated costs in India.

Solar Panel System Components

A grid-connected or off-grid solar system has several key components, each with their own cost implications.

The solar PV panels themselves account for nearly 60% of the total system price on average. Other main components include mounting structures, inverters, batteries (for off-grid systems), wiring and switches. There are also installation charges and costs for transport, labor, site preparation etc.

The total installed cost varies across states and is dependent on subsidies, location, system specifications and service provider chosen. But here is a general breakdown of 1 KW solar system costs in India:

  • Solar panels: Rs 26,000 – Rs 32,000
  • Inverter: Rs 20,000 – Rs 35,000
  • Batteries: Rs 16,000 – Rs 60,000
  • Other hardware: Rs 10,000
  • Installation & labor: Rs 10,000 – Rs 25,000

So the typical price range comes out to Rs 45,000 – Rs 70,000 or $550 – $850 for a 1 KW solar system. High-end systems with premium components can cost over Rs 1 lakh.

Factors Impacting 1 KW Solar Panel Prices

Solar panel output quality, conversion efficiency and product certifications are key determinants of their price. Typically, tier 1 solar modules from reputed brands cost higher but also perform better and last longer.

Popular module efficiency ratings in India include:

  • Standard – 16% to 17% efficient, cost about Rs 25-30 per Watt peak
  • Premium – 18%+ efficient, cost roughly Rs 30-35 per Wp

Higher efficiency equates to higher yields over the system’s lifetime. Other panel features like anti-reflective coatings, shading tolerance, salt mist resistance etc also enable enhanced output.

Government Subsidies and Incentives

India aims to achieve 100 GW of solar capacity by 2022 as part of its climate change commitments. Various incentives and subsidies are offered under the National Solar Mission to accelerate large-scale adoption. These can reduce solar panel price by 20% to 50%.

Key national and state-level solar incentives include:

  • Accelerated depreciation of 40% on investments
  • Concessional import and excise duties
  • Tax holidays
  • Renewable Energy Certificates (RECs)
  • Capital subsidies for residential systems

Capital subsidies under the MNRE scheme provide Central Financial Assistance (CFA) of up to 40% for 1 KW to 500 KW solar systems. The maximum subsidy amount is capped at Rs 20,000 per KW or Rs 10 lakhs per project.

To avail subsidies, applications must be submitted on the National Portal for Rooftop Solar along with required documents. Approvals are typically processed within a month. This significantly reduces overall 1 KW solar panel prices for households.

Output Potential and Applications

A 1 KW solar system has the potential to generate an average of 4 to 5 KWh of electricity per day in India. Output varies across locations based on solar insolation, climate conditions etc.

This is sufficient to power basic home appliances such as lights, fans, TV entertainment systems and mobile charging. With some energy-efficiency efforts, it can meet 50% to 60% of an average household’s electricity needs.

1 KW systems are well-suited for:

  • Urban residential buildings
  • Rural homes lacking grid connectivity
  • Telecom towers
  • Commercial establishments

For larger energy loads, 2 KW to 10 KW or higher capacity systems may be more appropriate. Scaling capacity as per load requirements brings down the price per watt significantly.

Installation Process and Timelines

End-to-end installation of a rooftop solar system in India typically takes 1 to 3 months. The major project stages include:

Site assessment: Solar insolation levels and shadow analysis, load requirements, roof condition etc are evaluated.

System design: Technical design detailing panel sizing and placement, inverter capacity, wiring diagrams etc.

Procurement and delivery: Sourcing high quality solar components from reliable suppliers.

Mounting structure setup: Fabricating and installing non-penetrating RCC or metal mounting structures.

Panel mounting: Securely affixing the panels onto the mounting structures.

Electrical connections: DC/AC wiring between panels, MPPT units, inverters, distribution boards etc.

Testing and commissioning: Ensuring correct system configuration and output via testing.

The entire process requires coordinated engagement of solar installers, electricians, civil work contractors and quality inspectors. All equipment and work also necessitates warranties and guarantees against defects.

Maintenance Costs

While solar panels themselves are largely maintenance-free over 25+ years, other system components require periodic upkeep. Consumables like batteries, inverters and surge protectors need replacement every 5 to 10 years.

Annual system maintenance contracts cost around Rs 2000 to Rs 5000. These include:

  • Inspections: Checking connections, equipment protection, wear and tear.
  • Cleaning: Removing dust, bird droppings, leaves etc from panels.
  • Software updates: Latest firmware for monitoring systems and inverters.
  • Breakdown repairs: Addressing faults in wiring, fuses, switches etc.

Following maintenance best practices is vital for optimal solar performance. This adds only minimal costs over the system lifetime.


Installing a 1 KW solar PV system in India can cost between Rs 45,000 to Rs 70,000 based on chosen components, location, subsidies and more. With Tier 1 solar panels, high-quality inverters and professional installation, households can effectively meet 50% to 60% of their electricity needs in a self-sustaining manner for 25+ years. This offers reliable energy access while also being environmentally friendly. Reach out to our solar experts for customized 1 KW system quotations.

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