Your Questions About Solar Panel Cost

Donna asks…

What would be the cost of Solar Panel & where can i get at a best price in B'lore?

Please Let me know the price of solar panel (approximately) and also the dealer or the locality where i can get it & enquire about that in bangalore.

Thnks in advance

ssadmin answers:

I dont know the place , but i can say the price as it costs around 8,000 to 44,000 ,,, if u say the purpose of using then i can relate price and their properties

William asks…

How much do Solar panels Cost?

I'm doing a project for school, and we have to create an Eco Bach. For my power, I decided to use Solar Panels. My Eco Bach is 6.58m in Length, and 2.40 in Width. What is the measurement of an average Solar Panel, and how much would it cost? I would really love some info on these things!


ssadmin answers:

Hi Kate,

As I am from the states it took me a bit to figure out just what is a “Bach.” I have had some embarrassing difficulty with other words when I was in New Zealand so I am not surprised. We might call it a “trailer home” or a “mobil home” but I like your word better.1

At the risk of giving you more information than you wanted: “Solar panels” can come in many different dimensions and sizes. But first you should know that there are solar photovoltaic panels that are used to produce electricity and while experimentally they have achieved efficiencies around 40% what you can buy will be around 14% efficient. Because of the reduced efficiency you have to use more of them. This site gives you some information about sizes and prices. 2

I have a small one (about 25cm by 35cm) that was shipped with a car to keep it's battery charged from the factory to the dealership. It produces a “trickle charge” of just over 12 volts DC and is meant to plug into the cigarette lighter. If your Bach were only going to use 12 volt DC power with batteries for night time use then the connections would be simpler but if you needed the standard New Zealand voltage of 230 volts at 50 cycles AC you would have to use an inverter to change the power from 12volt DC.

But there is also another kind of “solar panel” and that is the Solar thermal panel. This is a much older technology. Because it is used to gather heat from the sun it is much more efficient. Around 60 to 80% efficiency is possible. It is a good idea to take a lot of the load off any photovoltaic requirements by first installing solar thermal panels. This is a way to keep the cost at a minimum. Solar thermal applications can be used for heating hot water, space heating, and even air conditioning and producing electricity. The panels available can be used on colder and cloudy days as well. (vacuum tube collectors)

Good luck with your project.

Helen asks…

the cost of a solar panel system to make electricity for a 1600 sq ft home?

the cost of a solar panel system to make electricity for a 1600 sq ft home? the contractor price, I need help!
thanks so much! (:

ssadmin answers:

Cost: 5$ / Watt.

So to run a 100 Watts incandescent lamp, it requires a system that costs 500$.
Check the power load required at this house.

Ken asks…

How much do solar panels cost for your house?

insted of paying every month for electric bill.. how much does a solar panel cost for your electricity

ssadmin answers:

Andrew, realistically, there are all sorts of variables involved. Among them, in addition to the consideration of the types and quantities of appliances you'll want to be powered, you'll have to consider the type of solar panels you want, since there are all sorts of types of panels, varying in quality and the amount of solar energy they create.

So, for starters, here is a link to section of a handyman site that is devoted to solar power information and it also includes other information on other alternative energies–I know generally there are all sorts of government grants and rebates, etc:

Your best bet is also to seek the advice of local electrical contractors, since they usually install them. Free estimates from local electrical contractors (who hook up solar panels, etc.) are the key to your success in this home improvement project of yours. Here's a great link to a handyman site that offers free very resourceful information to assist you in your project, and, ultimately, selecting a local electrical contractor in an effort to get the best deal for you:


I'm sure you'll find the information you need, specifically the tips, useful as it relates to being treated fairly by contractors and exploring the consumer-wise approach of getting free written estimates to find the best contractor in your area.

Hope this helps!

The Internet. Just whatever is available online and what I have on my mind, including the inclusion of relevant sites, like the one cited above (both links) that came about from my creative efforts, which is intended to be useful. Helping people get the relevant info they want is great.

Paul asks…

With solar panels, what is the difference between price per watt and the total cost of the panel?

When you are purchasing large quantities of photovoltaic solar panels, they are priced as the overall cost, and then a price per watt. What is the difference, and how does the price per watt relate to the overall performance?

ssadmin answers:

The price per watt is a figure of merit, but is not how the panels are sold, any more than a gallon of gas is sold by how many miles you will be able to drive with it. You buy the gas at a certain price, then how many miles you actually get depends on what car you drive, and other factors.

In the same way, a certain model of panel is sold for an agreed-upon price. Let's say it's a 200-watt panel, and sold for $400. If the panel was rated in accordance with established standards, that means the panel will deliver 200 watts under ideal sunlight and temperature (that only happens about an hour a day, if that). So you can calculate that the price was 400/200 = $2 per watt.

If the strong sunlight shines on the panel for 1 hour, then the energy produced is 200 watt-hours. This is where many people get confused. A watt is different from a watt-hour. A watt is a unit of power, like how strong a man is. A watt-hour is a unit of energy, like the work accomplished by that man in 1 hour.

The watt-hours or kilowatt-hours delivered are what light the rooms, run the appliances, or are sold to the power company. Getting those is a matter of having a good geographic location and installation.

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