How much Money Can I save using Solar Power ?
- Considering A domestic Solar On grid System in Kerala. A 3kW solar Panel could cost you anywhere between Rs. 1,35,000 to 1,65,000
- A 3kW Solar Panel could save around Rs. 24000 – 30,000 annually.
- A tentative pay pack period of 5-8 years.
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Read the Article to know further details.
Solar Panel Price in Calicut Kerala, India
Kerala is blessed with solar power radiation across its length and breadth. Kerala has the potential of generating 5 kWh to 6 kWh of Solar energy per kW of Solar Panel Installed. India on an average has a Majority area which can produce solar power in the range of 4.5-5.5 kWh/kW.
Kerala is located in Western Coast of India and has a good solar energy potential. The average temperature across Kerala ranges from 28 – 32 degC. It is observed that from the end of May till early October there is a good amount of rainfall and the peak rainy season falls in June & July.
Average Sunny Hours in Kerala
Kerala holds over 2300 hours of Sunny in a year which is around 13% lesser than the Country’s average annual sunny hours of 2600 hours.
Annual Average Sunny Hours in Southern States of India
- Karnataka : 2361
- Tamil Nadu : 2762
- Telangana : 2730
- Lakshadweep : 2665
- Andaman & Nicobar : 2196
- Kerala : 2344
Ideal Capacity for Solar Panel for Home in Kerala
An average home in Kerala would need around 8-15 units daily. This accounts to around 2 – 5kW of Solar Panels.
Entity |
Power(watts) |
Time used (hours) |
Quantity |
Total Energy Consumed (kWh) |
Ceiling Fan |
80 |
12 |
2 |
1.92 |
LED TV 32 inch |
60 |
4 |
1 |
0.24 |
Tube Light |
20 |
5 |
2 |
0.2 |
Fridge |
100 |
24 |
1 |
2.4 |
Washing Machine (1 Ton) |
500 |
2 |
1 |
1 |
Air Conditioner |
800 |
5 |
1 |
4 |
Mixer / Blender |
|
|
|
|
Water Pump |
|
|
|
|
|
|
|
|
|
Daily Energy Consumption |
|
|
|
9.76 |
Solar Capacity Needed |
2-5kW |
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Solar Panel price for Home in Calicut, Kerala.
The price of the solar panels for homes in Calicut, Kerala India depends on various parameters including the size, Quality of Equipments, location of Installation and so on.
Cost of 1kW Solar Panel system for Home in Calicut (Tentative)
Components |
Specifications |
Quantity |
Price |
Solar Panel |
250 – 280 Wp |
4 |
35,000 – 50,000 |
Solar Inverter |
1.2kVA – 2kVA |
1 |
15,000 – 30,000 |
Battery |
150AH |
1 |
15,000 – 25,000 |
Wiring & Structures |
15,000 – 18,000 |
||
Total Cost |
80,000 – 1,30,000 |
Cost of 2 kW Solar Panel system for Home in Calicut
Components |
Specifications |
Quantity |
Price |
Solar Panel |
250 – 280 Wp |
8 |
60,000 – 1,00,000 |
Solar Inverter |
2.5kVA – 3kVA |
1 |
25,000 – 50,000 |
Battery |
150AH |
2 |
25,000 – 45,000 |
Wiring & Structures |
30,000 – 35,000 |
||
Total Cost |
1,40,000 – 2,30,000 |
Note: The Rates are only Tentative and are bound to vary based on Availability, site condition and actual capacity to be installed.
An on grid solar power project without a battery roughly costs between 50,000INR – 75,000INR. This does not include any subsidy. While, an-grid solar power plant with battery and an off-grid solar plant will be 12,000-15,000Rs more than on-grid solar power plant due to additional Battery and control systems needed.
Solar Panel Subsidy in Kerala for Homes up to 10kW
Agency for New and Renewable Energy Research and Technology (ANERT) has Introduced a new Solar Power Subsidy Scheme in Kerala with the following HIghlights
- Program Name : SOURATHEJAS – SOLAR ROOFTOP PROGRAMME WITH SUBSIDY
- 40% Subsidy of the Project upto 3kW and 20% for every additional kW till 10kW
- The Installer can use 100% energy produced by the Solar Panel
- Any excess solar Energy produced can be sent to the Kerala Electricity Grid.
Click Here for Details ANERT
Domestic Electricity Tariff in Calicut (Kozhikode) Kerala
If your domestic electricity consumption is over 300 Units monthly, then, installing a solar panel for your home or commercial unit would be a viable option for you. With a domestic tariff of 7Rs/Unit, Solar could help save a lot of money for you in the long run as the Electricity tariff is expected to increase in the future.
Major Components in a Solar Panel System for Homes and its Cost
The Below are the List of major components affecting the price of a solar Power Installation for your Home.
- Type of Installation – Off-Grid, On-grid, Hybrid
- Solar Panel
- Solar Inverter
- Module mounting Structures
- Cables, Wires and Connectors
- Transportation & Installation
- Overheads
Cost of Solar Panel
The solar panel is the most costly part of a solar power system for your home. There are two types of solar panels being widely used for Residential solar plants in India. Monocrystalline and Polycrystalline, Monocrystalline panels are comparatively more efficient than polycrystalline and hence more expensive too.
SunLight hits these panels during the day time and gets converted to Direct Current (DC) electricity through the solar panels and gets collected and converted into Alternative Current (AC) suitable for the Grid Condition using the Solar Inverters.
Solar Panel accounts to the highest expense in a Solar Panel system for Homes. Solar Panel accounts to 40-50% of the Cost of the system. It ranges from 35Rs/Watt to 50Rs/Wp based on the Capacity, Efficiency, Technology and make of the solar panel.
Solar Inverter
Solar panels produce Direct current (DC) electricity as compared to Alternating Current (AC) which is the common form of electricity supply available at home. Hence the Solar Inverter converts the DC to AC which is consumed by our homes.
There are majorly two types of solar inverters used widely. Off-grid and On-grid inverters. There are variations within these broad two categories.
In simple terms, On-grid inverters as the name suggests is connected to the local grid (Electricity board) installed at our homes.
And the off-grids are the ones which are found in remote locations or stand alone power systems which are not connected to our electricity board.
Cost of the solar inverter accounts to 20-25% of the cost of the solar panel system for homes in India. For a 1kW solar panel we would need atleast 1.3-1.5kVA solar Inverter accounting Conversion Efficiency. It costs 15 Rs/Watt – 22Rs/Watt.
On-grid Solar Inverter
Most modern homes within the city or a town use an on-grid solar inverter. They rely on solar power as the primary source of power along with the electricity supplied from the Electricity board and batteries as the third source of power.
Off grid solar inverter
These solar power systems are primarily used in remote locations or special use cases when electricity grid supply is not available. They depend on solar as the primary source of power followed by battery systems.
Module Mounting structures
The solar panels are placed on top of a mounting structure mostly Galvanised Iron, Aluminium and mild steel. These structures hold the solar modules in place during heavy winds. The other most important aspect of the module mounting structure is to maintain the required tilt of the solar module to keep it perpendicular to the incoming solar radiation. Do not get confused, just keep in mind that the solar panel tilt should be equal to the latitude degrees of your location. Module Mounting structures and wiring combined accounts for 15-18% of the cost of the solar panel system for homes. It costs 15Rs-22Rs/kW.
Solar Wires, cables, Earthing and Connectors
Next critical and expensive part of a solar power system is Solar Wires, cables, earthing etc. There are majorly 3 types of cables needed. One, connecting solar panels in series to meet the input voltage of the inverters, two, connecting a group of solar panels in parallel to match the input current of the inverter.
Note that in series connection, voltage gets added and in parallel connection current gets added. The cable thickness varies according to the current carried, distance to be covered from panel to the inverter and inverter to the Electricity board and the losses in the cable. This is slightly technical and the Solar company executive should be able to clarify this.
Transport & Overheads cost of Solar
The other major cost of a solar power plant for your home is the transport and Overhead cost of the company. If the location is far off from the main town and city then this demands additional logistic cost for the customers.
What is Net-metering in Solar inverters?
Net metering is a concept in which the inverter supplies the excessive electricity produced by the solar power back to the electricity board and you get additional benefits from the local electricity board for supplying electricity.
Working of a Net-metering Solar power Inverters
Solar Power Generation during the Day. According to National Renewable Energy Laboratory (NREL) data, The following map represents the Solar Energy Irradiance available across different parts of India.
Where Can I install Solar Power in Calicut?
Solar panels can be installed technically any place with no direct shadow. Financially a solar panel is viable for following applications in Calicut where high electricity bills are paid
- Homes where monthly Electricity bill is more than 4000 Rs.
- Resorts, Estates, Farm Houses, Serviced Villas which is in remote locations and high Electricity bills
- Restaurants, Cafes and Bars to reduce the electricity bills
- Solar Pumps for Agricultural Irrigation
- Small off-grid societies and homes
- Fishing Boats
- Replace Telecom Towers using D.G. sets
- Converted Electric Charging Stations
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Solar Irradiance in Calicut, Kerala
In simple terms Solar Irradiance means the Total amount of solar Energy (kWh) available per sq.m of land. After installing a solar panel of 18-20% efficiency and system losses in Inverters, cables, and switch gears we can extract roughly around 4.5.5 Kwh of electricity from 1kW of Solar panels.
How much Electricity can a 1kW solar Panel produce in Kozhikode, Kerala?
1kW of Solar Panels roughly needs 7-10sq.m (70-100sq.ft) of floor space and one side of the wall for mounting the inverters and other converter systems inside a ventilated room. A normal size of our bedrooms are 120sq.ft (10ftx12ft). Slightly less than the size of our bedrooms can generate 4-5.5 units (kwh) of Electricity Daily.
Electricity produced by a 1kw solar panel, 2kw, 3kw and 5kw Solar Panel
How much money can I save installing a Solar plant at home in Calicut?
Investment Cost for a 3kW solar Power Plant
Average solar radiation in Calicut can produce 4.5kWh (units of electricity daily from a 1kW solar plant in Calicut. An average domestic household in Calicut would need a 3kW Solar plant. Let’s assume this is connected to a grid and also has battery backup. In that case total rough investment is around 65000Rs/kW which equals to close to 2,00,000Rs.
What is the payback period for a 3kW solar Power Plant in Calicut?
A 3kW solar plant can produce close to 4.5kWh/kW, which equals to 4.5×3 = 13.5kWh of electricity produced daily. in a month, a 3kW solar plant can produce 4880kWh of electricity.
The tentative Domestic Electricity tariff in Calicut is around 5Rs/unit for a household consuming 300units of electricity. Hence, an average money saved by a 3kW solar plant at home in a year is =4880*5= 24300Rs.
With an initial Investment of close to 2,00,000Rs. The tentative payback years will be 2,00,000/24300= 7-8 years. This is very basic calcluation assuming that the Electricity tariff remains 5Rs. for 25 years. This is very unlikely as Domestic tariffs will increase over time. second, there are not operations and maintenance cost considered for the solar plant, like battery replacement panel degradation, etc.
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How to Design a Solar Power Plant for Your Home in Calicut?
Solar power design is explained in simple steps.
- Find the total existing Daily Electricity consumption at your home. (this you can get from electricity bill from KSEB)
- Imagine your total units (electricity kWH) consumed is 300 units, divide that by 30 days to get daily Electricity demand for your home.
- 300KWh/30days = 10kWh/Day. This is your Daily consumption. Calculate this for at least last 1 year data to avoid any additional consumption due to functions at home, summers AC consumption, faulty meters, etc.
- The Total Electricity Needed at home is 10kWh. Now to account for system losses (wires, cables, Connectors and inverters, say 20% losses). Divide this by 80%.
- 10/80%= 12.5kWh this is the total electricity that needs to be produced.
- Based on the solar irradiance and shadow study by the solar design team for your exact location, they shall provide you with the range of Solar generation kWh/kW. Normally for ease of calculation this is considered as 4.5kWh/day in Calicut.
- To get the total solar power capacity needed divide Total Electricity needed/ Energy produced per kW.
- 12.5kWh/4.5kWh/kW = 2.78 kW. approximately 3kW of Solar Panel is needed.
- Click Here for the Google Sheet
Click here to download the google Sheet Link
Sun Rise, Sun Set and Sun Hours in Calicut
image Source: https://www.pveducation.org
This above graph shows the days (months) across the year in X-axis and hours during the day in Y axis for Calicut, Kerala
On 1st January the sun rises just after 6.15 am and sets a little before 5.30pm with a total sun hours less than 11 hours. May – July has the longest days.
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FAQs in Solar Panel for Homes
Solar panel for home 5kw price in india
A 5kW solar Panel with a Battery Can cost around 3,75,000Rs – 5,00,000Rs and With a Battery can cost around 4,50,000 – 6,75,000Rs before subsidy.
Are solar panels worth it in India?
With rising Electricity prices, Solar power becomes a viable alternative for stable Low cost Electricity. If your electricity consumption is more than 500Units/month and your domestic tariff is above 5Rs/unit, then Solar is the right option.
Which solar panel is best for home?
The Panel should be able to generate more Watts/sqm since area is a big concern for homes. Cost is also a big parameter when buying solar panel for home. Hence, both Poly & Monocrystalline solar modules are good for homes.
How much solar power is required for a home?
A general household with a monthly electricity consumption of more than 400 units and a domestic electricity tariff of 5Rs and above needs solar power. A typical house in India for such cases would need 3-5kW of solar panel with & without battery
how many solar panel required for 1.5 ton ac?
A 1-ton AC needs 1.5kW to operate and needs a 2+kW of solar panel. for a 1.5Ton AC would need 3+kW of Solar Panel system.
how solar panel works in rainy season?
Solar Panel does not work with 100% efficiency during rainy season. If it is continuously raining, it produces close to Zero electricity from the Sun. But with a battery backup system, it will charge electricity from the grid and works like a normal Inverter. Solar will continue to charge the battery slowly from the Sun as and when it is available.
how much solar panel generate electricity
1kW of Solar Panel Can generate 4-7kWh(units) of electricity daily. This depends on system losses at inverter & cables, Location, Temperature, Altitude, etc.
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