This is a really simple calculator that recommends you a solar system size based upon power bill data. This paper details how the calculator works, the assumptions it is based on, and the information required for it to work. In these cases, we recommend consulting with a solar provider directly. Running costs calculator; Solar tool; Tyre pressure tool; Water heating systems tool; ... Avoid power hungry appliances. A solar system can be expected to last 25 years or more although you may need to replace an inverter during this time. neighbouring houses). Test how much power you need to deliver to your appliances every day to keep them charged using the REDARC Solar Calculator. Your payback from solar (the time it will take you to recoup the upfront costs of the solar system from savings you make on your electricity bill) depends mainly on three important factors: This tool relies on average household electricity use profiles. We'll use a default amount of 9 cents per kWh, We'll use a default amount of 0 cents per day. The goal of the calculator is … This tool takes into account the ongoing costs of purchasing the system (future interest charged or interest Typically more solar electricity is generated during summer than winter. This analysis is over 25 years.A solar system can be expected to last 25 years or more. Or enter each month's total power consumption (in kWh) below: To connect to the main electrical supply network. If you want to install solar panels, you should weigh up the potential costs against the potential savings. On this page we discuss the specifics of solar panels, giving full access to the finer details. Electricity use in the home is normally higher in winter when solar is generating less. Residential solar panel installation is simple with the help of one of our solar panel engineers. Be sure to discuss with your electrician how to reduce the risk of legionella bacteria in your hot water, which can lead to serious illness. All contact information. Select the image that looks most like the angle of your roof where the solar panels might sit. This question helps us work out how much sun your panels would get. This is a simple payback calculation, factoring in only how long it could take to pay back the capital costs of the system from electricity cost savings, not factoring in the costs of borrowing. We have assumed the cost of a timer is $200, including installation. Acknowledgement: This tool was developed by the EPECentre, University of Canterbury. 25 Nov 2020. The benefits of solar power panels need to be carefully weighed against the costs, EECA says. EECA spokesperson Allen Davison says EECA’s role as an authority is to give independent advice about emerging technologies like solar which have created considerable public interest and debate. This is the amount of money you would save on your electricity bill in year one only - your savings in subsequent years could differ. It was the first solar company in the world to achieve Toitū carbonzeroCert TM certification and is still the only solar energy services business in NZ with that green credential. Go to solar panel systems for industrial buildings. Products & … The basis of the calculator was developed by the EPECentre in response to increasing interest in solar electricity systems. Please note that you will need your last 12 months of power bills for an accurate calculation. It doesn’t take into account the costs and benefits of batteries, which can change the way you use (and the economics) of solar electricity. Warmer Kiwi Homes grants are available to homeowners (not for rental properties) and cover both: 90% of the cost of ceiling and underfloor insulation. Using the information you have entered, we have estimated the value of installing solar on your home. How to choose solar panels - simplified surrounding hills) but it does not consider shading from adjoining structures (e.g. So, say no to rising power prices and start saving money now. Solar panels are generally installed at an angle, so if you have a flat roof, select 30°.This information gives us a better idea of how much sun your panels will get. It’s 2019. Click here to learn how solar power systems work. A new calculator developed by New Zealand experts will give people interested in solar electricity a useful estimate about whether solar will be cost-effective for their household. Our Solar Calculators . In summer, most households with solar will sell some electricity to the grid, as solar generates more electricity during daylight hours than is used in the home (the price you get for this electricity is normally much lower than the price you pay for electricity). 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