1000W Solar Panel: Price, Features and Specifications

A 1000 W solar panel system, also called a 1 kW solar system, generates approximately 4–5 units (kWh) of electricity per day under Indian sunlight conditions, making it suitable for households with a monthly electricity bill of up to Rs. 1,500.

• System capacity: 1,000 watts (1 kW) peak output
• Daily generation: 4–5 units (kWh) under 4–5 peak sun hours
• Monthly generation: Approximately 120–150 units per month
• Typical panel configuration: 3 × 330W or 4 × 250W monocrystalline panels
• Installed cost in India: Rs. 60,000–Rs. 90,000 (before subsidy)
• Post-subsidy cost: Rs. 30,000–Rs. 60,000 under PM Surya Ghar Muft Bijli Yojana
• Roof space required: Approximately 8–10 square metres of shadow-free area
• Payback period: 4–6 years through electricity bill savings

Convert the cost of your 1000 W solar panel system into Easy EMIs using Bajaj Finance's financing options at 1.5 lakh+ partner stores.

A 1000 W solar panel system, or 1 kW solar system, has a total rated capacity of 1,000 watts and typically generates around 4–5 units of electricity per day in India. It combines multiple solar panels totalling 1 kW with an inverter, mounting structure, wiring, and other essential components. A 1 kW system can support basic household loads such as LED lights, ceiling fans, a television, and a Wi-Fi router. It is suitable for smaller homes with moderate electricity needs. Eligible households can also receive a Rs. 30,000 central subsidy under the PM Surya Ghar: Muft Bijli Yojana.

A 1000 W solar panel system combines panel efficiency, inverter capacity, and structural components — each with specific technical parameters that determine real-world generation performance. Here are the key features and specifications to evaluate before purchasing.

Key features

• Peak power output: 1,000 Wp (watts peak) under standard test conditions — actual output varies between 700–900W in real operating conditions due to temperature and irradiance variation
• Panel technology: Monocrystalline panels are the most efficient and space-saving choice for a 1 kW system — delivering 20–22% efficiency versus 15–17% for polycrystalline alternatives
• System voltage: Most 1 kW residential systems operate at 12V or 24V DC on the panel side; the inverter outputs 230V AC for home appliance use
• Inverter type: A grid-tied inverter (for net metering) or hybrid inverter (for battery backup) — 1 kW inverter capacity is the minimum; 1.5 kW is recommended for headroom
• Mounting structure: Hot-dip galvanised steel or aluminium alloy frame — tilt angle fixed at 15–25° for most Indian locations to maximise annual generation
• Performance warranty: Leading panel brands (Adani, Waaree, Tata Power Solar) offer 25-year linear power output warranty at a minimum of 80% of rated output by year 25
• Product warranty: Typically, 10–12 years on panel workmanship; 5 years on inverter

Key specifications

Daily generation from a 1000 W solar panel system depends on your city's peak sun hours, panel orientation, shading, and seasonal variation. Indian locations receive between 4 and 6.5 peak sun hours per day, which directly multiplies with system capacity to determine daily output.

• Base calculation: Daily units = System capacity (kW) × Peak sun hours × System efficiency factor (0.75–0.85). For a 1 kW system at 5 peak sun hours with 80% efficiency: 1 × 5 × 0.80 = 4 units per day
• High-irradiance locations (Rajasthan, Gujarat, Ladakh): 5.5–6.5 peak sun hours → 4.5–5.5 units per day. These states are among the most productive locations for rooftop solar in India
• Moderate-irradiance locations (Maharashtra, Karnataka, Telangana): 4.5–5.5 peak sun hours → 3.5–4.5 units per day — sufficient for most small household requirements
• Lower-irradiance locations (West Bengal, Kerala, northeast India): 3.5–4.5 peak sun hours → 2.8–3.8 units per day — generation is lower but still meaningful for reducing grid dependence
• Seasonal variation: Generation is highest in summer (March–June) and lowest in monsoon (July–September) when cloud cover reduces effective irradiance. Annual average is the most useful planning figure rather than peak-month performance
• Monthly and annual totals: At an average of 4 units per day, a 1 kW system generates approximately 120 units per month and 1,440–1,500 units per year — sufficient to offset a monthly electricity bill of Rs. 800–Rs. 1,500 at typical Indian grid tariff rates of Rs. 6–Rs. 10 per unit

The number of panels required for a 1000 W solar system depends on the wattage rating of the individual panels you choose. Higher-wattage panels mean fewer units are needed — saving roof space and reducing mounting hardware costs.

Recommendation: For most Indian households, three 330W or 350W monocrystalline panels offer the best balance of cost, efficiency, and roof space utilisation for a 1 kW system. Bifacial 400–440W panels are the better choice when roof space is limited. They generate additional power from light reflected off the roof surface, increasing yield by 5–10%.

Trade-off to note: Using fewer, higher-wattage panels reduces the number of mounting brackets, cable connections, and junction boxes needed — simplifying installation and reducing long-term maintenance points. However, higher-wattage panels cost more per unit, so the total system cost may be similar or slightly higher despite using fewer panels.

A 1000 W or 1 kW solar panel system in India typically costs around Rs. 60,000–Rs. 80,000 for a grid-connected rooftop setup before subsidy. Eligible residential consumers can receive a central subsidy of Rs. 30,000 for the first 1 kW under the PM Surya Ghar: Muft Bijli Yojana, subject to scheme conditions.

*Eligible residential consumers can receive Rs. 30,000 Central Financial Assistance (CFA) for the first 1 kW under PM Surya Ghar, subject to scheme eligibility, installation requirements, and DISCOM verification.

The final 1000 W solar panel price can vary depending on the panel brand, inverter, mounting structure, installation requirements, location, and other system components. Battery-backed hybrid and off-grid systems generally cost more because batteries and additional equipment add to the overall system cost.

EMI example for a Rs. 75,000 solar system

The EMI figures above are illustrative examples only. Actual EMIs depend on the interest rate, processing fees, loan amount, repayment tenure, and financing terms offered by the lender.

Bajaj Finance offers two financing options at over 1.5 lakh partner stores across 4,000 cities in India. Here is how they compare:

How to choose? Both options require you to be physically present at a partner store. The Insta EMI Card is ideal for shoppers who want to purchase across multiple categories over time. The Easy EMI Loan suits buyers looking to finance a higher-value purchase in a single transaction.

Upgrading your home with the latest electronics and appliances is now easier and more affordable with Bajaj Finance’s flexible financing options. Follow these steps to get started:

• Explore products on Bajaj Mall: Browse a wide range of electronics and appliances from trusted brands on Bajaj Mall. Compare features like energy ratings, storage capacity, performance settings, and design to choose the right product for your home.
• Visit a partner store: Once you shortlist a model, step into any of Bajaj Finance’s 1.5 lakh partner stores across 4,000 cities in India. See the product in person, talk to experts, and make a confident decision.
• Choose the Easy EMI Loan option: At checkout, select the Bajaj Finance Easy EMI Loan. Avail financing of up to Rs. 5 lakh and split the cost into convenient monthly instalments. Some products also come with a zero down payment option.
• Check your loan eligibility online: Plan better by checking your loan eligibility in minutes. Simply enter your mobile number and OTP to know your pre-approved limit.
• Use the Insta EMI Card for purchases up to Rs. 3 lakh: Already own the Bajaj Finance Insta EMI Card? Use it for instant, paperless checkout and convert your purchases of up to Rs. 3 lakh into Easy EMIs.