Blend with our current economic situation and daily fluctuations in energy prices, many of us are planning to install solar energy to help our homes energy needs and reduce our electricity bills. But what watt solar panel, we must say, halve our electricity bills? And how much power is going to cost to install? Here is a four-step process that the hands of these two crucial questions: 1 - Daily power calculation: In order to pursue a response to this, you will receive your last 12 monthly electricity bills and calculate the average kilowatt-hour (kWh) per month. The reason why I use is 12, because our consumption of energy varies with the seasons. But not all the bills, then simply use a month before. Then divide your monthly usage to 30 (the average number of days in a month to get the performance day. - For example: If you have a monthly consumption of 800 kWh, then your daily dose of 800/30 = 26 7 . kWh per day. - Be ', if only half of your electricity bill, then you need to produce 26. 7 / 2 = 13. 4 kWh of solar watts per day. 2 - Calculate the total requirements for watt panels Solar: To do so, please how many hours of usable sunlight your area receives one day to be fixed. It uses a map of the solar radiation comes in handy - you can see one of our original article on our website. Once you know the Your hours of sun a day, return to their everyday needs kilowatt hour, and they share the daily duration of sunshine, then multiplied by a factor taken into consideration 1. 25 (energy losses from wiring watt solar panel, battery and inverter) - Continuing our example, our solar panel must be equal to W: 13. 4 kWh / 5 5h x 1. 25 = 3. 045 kW or 3045 watts per day. That is, we need to produce solar cells with a capacity of at least 3045 watts of power. 3 - Calculating Watt Solar Panel Cost: This step will help you develop the cost of solar cells are required for 3045 watts of power. Right now, the highest average cost of solar cells in the United States 4. $ 85 per watt. - In our example, it is us, the 3045 x 4 Costs. 85 = 14,768 $ for installing solar panels to our electric bill in half. And that was before the wiring, charge controller, batteries, inverters, electricians and costs. 4 - offset tax credits and discounts: Before the gun and I think we will give at least $ 14,768 in 3045 watt watt cost of solar panels, we need tax incentives and rebates to take into consideration. With the new tax credits for renewable energy will be in force from 1 January 2009 and was discounting by states like New York, Connecticut, New Jersey and California, our solar system costs are much lower than expectations. - Let's use this example: If in California, we would receive tax breaks of over 20% of the cost, and a federal tax credit of 40% for the rest. So, after rebates and credits, our solar panels would cost us $ 14,768 - $ 14,768 x (20%) - $ 14,768 x (1 to 20%) x 40% => $ 7089 As there are many factors that go into calculating the cost-watt solar panel, you Please only use our past as a rough estimate. Some things are impossible for us to bear in mind, such as special offers from solar power companies as they offer discounts on the full installation (including charge controllers, inverters, batteries, grid-tie electrician, cost, etc..) Anyway, from what I can see, there would cost about $ 7089, enough to buy solar panels to reduce by half our power to account. Achieve But our solar cells at cost or source them for free, and just the thread of our solar cells, which is obviously saved us a lot of money. The good news is that anyone can learn, cheap solar cells and find their own watt solar panel.

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