In the coming two decades our country’s energy consumption will double, which will also exceed China’s energy demand while keeping in mind the limited reserves of fossil fuel, switching to solar energy at this time could be the best decision.
To satisfy this huge appetite for energy, India is probably going to be the second-largest coal producer in the world. The outcome of which is not just affecting the climate but constantly degrading. As a country, we have an urgency to make massive changes in the decision of shifting to a cleaner energy source like solar energy.
Solar power is environment friendly
Solar energy is also pocket friendly
Enjoy the independence of electricity
Solar panels – super easy and safe to install
Understand your energy needs
How much power is required ?
Before buying any solar rooftop system the crucial question to ask is “Power Requirement”. In easy and straight words, how much energy do all your electrical appliances like CFL, tube lights, fan, television, computer, refrigerator, etc. need? Remember you need to run all these appliances when there’s a power cut as well. Power requirement in addition to the power consumed by various electrical appliances.
How to calculate Power Requirement?
There is a step-by-step procedure by which we can calculate the power requirement in order to choose the perfect solar solution for your homes.
1. Average Energy Consumption of Home Appliances
Every home appliance we use at home requires energy. If we know how much we can make an informed decision about switching to Solar Energy more so than anything.
Ceiling Fans – 25W to 80W
Lights – 10W to 20W
Water Motor – 700W to 1200W
Washing Machine – 300W
Induction Machine – 1000W
Home Air conditioner – 2500W
Mixer & Juicer – 500W
Iron Press – 1000W
Refrigerator – 200W
TV – 80W
Laptop & Mobile Phones – 55W to 65W
On average at any given time in a home you would be using approximately 300W, while if you use a maximum no. of appliances at the same time the number can go up to 2200W (without an air conditioner), which usually doesn’t happen, no one runs all the appliances at the same time.
2. How Big a Solar rooftop system should you get?
Anything at 3kW or above is okay for a household of 3-4 people which allows smooth running of all appliances without an air-conditioner but the 3kW is enough for an inverter AC. Although a larger family or house with an air conditioner would require a minimum of 5kW to 7kW. A few years back, a home could easily run on a 1kW solar rooftop system, but given that inverter batteries are more prevalent and popular, a 3kW is a must.
A 3kW Solar System generates 12-15 units of power every day. This much power is enough for a 5 – 10 hour stretch. By that calculation a solar system can generate 3600 units of power annually, here we assume that the solar panel works for 300 good days in a year.
3. Step-by-step instructions for installing solar rooftop.
SURVEYING AND CONSULTING
First, survey the site or home for space, how much spacing is required for the installation of the rooftop.
DIRECTION OF SOLAR PANEL
The performance of the solar panels depends upon the direction in which these panels are placed. The best direction to face solar panels is south since here they receive the maximum sunlight.
ASSEMBLE OF SOLAR PANELS
Once the solar structure is fixed accurately, we will connect it with solar modules. We should ensure that all nuts and bolts of solar modules are fixed with solar structure so that it is properly secured and lasts long.
CONNECTION BETWEEN SOLAR PANEL AND SOLAR INVERTER
There are other connections too like battery wire connection and output wire connection with the inverter. In all, Solar panels, Solar battery, and Grid input are connected with the solar inverter to produce electricity.
CONNECTION BETWEEN SOLAR INVERTER AND GRID AND START SOLAR INVERTER
In order to connect the inverter to the grid simply plug it in in the main power switchboard, so that it gets power from the grid. The output wire is also connected with the board that is supplying electricity at home.
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