All you do is plug in your location, average monthly power usage and average cost of each unit (kWh) or electricity. Supplied by SEANZ (the official solar association of New Zealand), this solar calculator can help determine the annual savings and payback period you can expect from a solar power system in your unique location. Our Solar Calculators . The largest renewable energy supply in New Zealand, emits greenhouse gasses. The inverter transforms DC current to the AC current used in NZ. A timer automatically switches hot water on and heats it, regardless of whether there is excess energy or not. Solar panels work most effectively when they face the sun (north-facing). Use the form below to share questions or comments with us. *Your solar savings results are an estimate only, based on the basic information required in this calculator. Running appliances during times of the day when it is sunniest will increase the amount of solar electricity you use (your self-consumption) and reduce the amount of electricity you need to buy from a retailer or sell back to the grid. Each sun path (coloured line) runs from right to left, consistent with the path of the sun (East to West). If your appliances do not have in-built timers, you can buy timers that plug into a wall socket. Ask a solar provider about the optimal system for your situation. Occupied by a family with three kids, no one home during the day. Click here for a full list of assumptions and learn more about how the tool works. The key assumptions used in this tool are below. Solar panels are generally installed at an angle, so if you have a flat roof, select 30°.This information gives us We’ve built an interactive tool that works out how to calculate a solar panel system installation for your home, commercial or industrial building. This tool takes into account the ongoing costs of purchasing the system (future interest charged or interest 4/44 Sunnyside Road, Sunnyvale, Auckland 0612, Auckland       Taupo                Whangarei, Hamilton       Wellington        Palmerston North, Tauranga       Christchurch     New Plymouth, Rotorua          Dunedin             Hastings, Copyright 2019 Solar Power Calculator | All Rights Reserved | Designed by. Recognising these paybacks Smart Energy Solutions, along with EECA, local & regional Councils, Community Trusts and some leading banks, have a range of subsidies and finance options to make insulation, heat pumps, ventilation and other energy efficiency measures affordable now so … Based on those two values, they can estimate the system size in kilowatts. 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 chart shows the expected performance of the solar electricity system. In winter, household energy use is higher but solar generation is lower (than in summer). It’s 2019. If you are not home during the day, you will need to use timers on your appliances. 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. Click for commercial solar panel installation. Please treat this tool as a guide to assist in your decision-making. You will likely need to replace an inverter during this time - your results include this replacement cost. The estimated results below are based on the cost of the system installation, the cost of a replacement inverter after 15 years, and the cost of a diverter or timer (if selected). You will need to find out if you are on a controlled circuit (in which case, you will need to change your electricity plan) – you may find this information on your power bill; if not, talk to your electrician. 3. 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. Electricity use in our house is usually high for more than five days a week. Electricity use in our house is usually low during the day. 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. PowerSmart prides itself on being a leader in commercial solar power installations in New Zealand, Australia and the South Pacific. A solar system can be expected to last 25 years or more although you may need to replace an inverter during this time. This analysis is over 25 years.A solar system can be expected to last 25 years or more. Click here to learn how solar power systems work. Please note that you will need your last 12 months of power bills for an accurate calculation. 04 470 2200. If you think you’ll install batteries with your solar system, or you use a lot of electricity during the day, please take this into account when using the tool. 5. The goal of the calculator is … NZ’s Leading and Largest Home Solar Company. Visit our twitter page; Visit our linkedin page; Sign up to our newsletters; Terms & conditions The estimated results below are based on the cost of the system installation, the cost of a replacement inverter after 15 years, and the cost of a diverter or timer (if selected). The days selected are a Tuesday in mid-February and Tuesday in early June. 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. Running costs calculator; Solar tool; Tyre pressure tool; Water heating systems tool; ... Avoid power hungry appliances. It is provided to give an estimate only and general guide of the potential savings and benefits of installing and using solar panels and batteries. You will see that performance drops over time, with a regular drop of performance continuing over the life of the system. It doesn’t factor in the other reasons you might want to install a solar system, such as energy resilience, environmental benefits or social responsibility. System losses due to panel soiling (3%), cabling (best practice), inverter inefficiencies (6%), temperature correction (varies according to AS 4509.2) and module mismatch (2%) are applied. Electricity use in the home is normally higher in winter when solar is generating less. Contact EECA; Sign up to our newsletters; info@eeca.govt.nz. This is how long it would take to recoup the cost of solar, through electricity cost savings, if you ignore the interest you would earn on money in the bank (if used to pay for solar) or interest paid on a loan. Test how much power you need to deliver to your appliances every day to keep them charged using the REDARC Solar Calculator. Our solar panel technicians are equipped for any solar panel systems installation. So we’ve dedicated ourselves to helping NZ homes and businesses equip themselves with the best renewable energy solution; solar power. They are not necessarily representative of all other days in the year, rather they are for illustration only. Click here to learn why you should consider going solar. Based on our research, our calculator factors in potential generation, household consumption, and potential energy exports, as well as current and future pricing scenarios. Ask a solar provider about the optimal system for your situation. The upfront installation cost you pay to have your solar system installed, The cost you pay per unit (kWh) for your electricity (variable charges) - note, the electricity market and variable charges could change over the lifetime of your system and affect your return, and. Using the information you have entered, we have estimated the value of installing solar on your home. This is how much money you would lose or gain from installing and running a solar system in your home, over a 25 year period expressed in today’s dollars.This is the total of the discounted cash flows (in and out) of the project over 25 years, in today's dollars (often referred to as net present value). The inputs First, the calculator asks for your address, then uses National Institute of Water and Atmospheric Research data to work out how much sunshine reaches your property during the year, taking into account shading from hills. east and west-facing combined) can be more optimal. If you don’t have a recent power bill, click here for estimated low-user electricity tariffs for your region. You’ll be asked for your address and your electricity use, and the price you pay - so you'll need to have a recent electricity bill on hand. The tool will automatically consider any shading from your landscape (e.g. Typically more solar electricity is generated during summer than winter. This increases how much you save on your electricity bill and improves your return from your solar investment. The solar tool uses certain key assumptions to estimate the value of installing solar on a home. Level 1, 25 Exmouth Street, Eden Terrace, Auckland 1021 0508 2COMPARE ( … Products & … This chart is provided by NIWA via its SolarView website.For more detail on SolarView, go to https://solarview.niwa.co.nz. ... New Zealand Green Building Council; EECA sites. The output calculations are estimates only. However, depending on when you use power, different system configurations (e.g. 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). Is $ 200, including installation they can estimate the system and we use. Your decision-making to replace an inverter during this time - solar power calculator nz eeca results include this replacement cost full... Selected are a Tuesday in mid-February and Tuesday in mid-February and Tuesday in mid-February and Tuesday in June! 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