North-facing roof, 15° pitch. Click here to use our interactive solar power system calculator or to find your local solar panel technician. Electricity (electric heaters, heat pump etc), Electric hot water cylinder - with a timer or hot water diverter. Your panels will be less efficient in producing electricity if they will be shaded by trees or neighbouring buildings. This chart shows the expected performance of the solar electricity system. All contact information. 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. Our solar panel installation contractors can equip you with a solar power system that satisfies your power supply needs and that your community or local power grid. However, depending on when you use power, different system configurations (e.g. Last reviewed: Ask a solar provider about the optimal system for your situation. 04 November 2020. 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. Now we’re going to ask some questions about whether or not you could change the way you use common household appliances. The basis of the calculator was developed by the EPECentre in response to increasing interest in solar electricity systems. If you don’t have a recent power bill, click here for estimated low-user electricity tariffs for your region. At Harrisons we’re passionate about renewable energy and are totally committed in making premium solar affordable to all Kiwis and with a proud retailing heritage of over 50 years, we are proud to have a reputation that you can trust. Contact EECA; Sign up to our newsletters; info@eeca.govt.nz. Using the information you have entered, we have estimated the value of installing solar on your home. It also won’t take into account high daytime solar electricity use for things that use a lot of power, like EV charging, hot tubs, spa pools, and swimming pool heaters. The output calculations are estimates only. 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). A hot water diverter monitors when excess solar energy is being exported and diverts it to heat hot water instead. Use diesel space and gas water heating. This question helps us work out how much sun your panels would get. Tick the appliances you will consistently use during the day. 5. 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. 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. Our calculator is based on an average of 25c per/kw unit electricity rate, 4.8 day light hours and 100% consumption of solar production produced with a north orientated system. east and west-facing combined) can be more optimal. ... New Zealand Green Building Council; EECA sites. The way you answer these questions will impact your final results. a better idea of how much sun your panels will get. Click here to learn how solar power systems work. Electricity use in our house is usually high for more than five days a week. 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. pitch for NZ roofs is around 30° so select this option if you are unsure). Estimate the cost of installing a solar power system in New Zealand using this interactive app. 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 … 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. This will require an electrician to install either a hot water diverter or a timer on your hot water cylinder. Residential solar panel installation is simple with the help of one of our solar panel engineers. The average annual household energy consumption is ~8000kWh. Click here to find out about the solar power system types. Visit www.epecentre.ac.nz for more information. 04 470 2200. The EECA energywise™ PV Solar Calculator 9-2-2017 1 The EECA energywise™ PV Solar Calculator Alan Wood1*, Allan Miller2, Sharee McNab2 Scott Lemon2 1 Department of Electrical and Computer Engineering, University of Canterbury 2 Electric Power Engineering Centre (EPECentre), University of Canterbury * Presenting author EEA Conference & Exhibition 2016, 22 – 24 June, Wellington Select the image that looks most like the angle of your roof where the solar panels might sit. This tool assumes a timer is used to start the dryer, at most, once a day. However, depending on when you use power, different system configurations (e.g. Electricity Price Rise Impact ... Disclaimer: These output calculations use sunlight data supplied by the New Zealand Bureau of Meteorology from most New Zealand weather stations from 1990 to now – as an average. We also strongly recommend talking to your electrician about how to manage your hot water, to make sure you have enough when you need it. This increases how much you save on your electricity bill and improves your return from your solar investment. Based on those two values, they can estimate the system size in kilowatts. 1. 3. Stop wasting time trying to figure out which solar panel system is the best for you. 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). Select the image which most closely matches the direction of the roof where the solar panels might sit. We believe that this is unacceptable. Solar panels are generally installed at an angle, so if you have a flat roof, select 30°.This information gives us The industry standard is that solar power companies will do the research for you, finding the best solar panel brands and models for your unique solar power system set up. EECA and Standards New Zealand are supporting the shift away from fossil fuels by developing a best practice guidance document on high-temperature heat pumps. The tool will automatically consider any shading from your landscape (e.g. This analysis is over 25 years. If you don’t think you will consistently use these appliances during times of the day when it is sunniest (when solar electricity is generating at its highest), leave the boxes below unticked and hit Next. The estimate is based on historical solar irradiance figures from 18 NIWA climate zones. 4. The EECA calculator uses this data to assess the economics of installing solar photovoltaic (PV) systems. Solar electricity systems (also known as photovoltaics, PV systems, or solar panels) convert sunlight into electricity, and are a form of renewable energy generation. Solar panels work most effectively when they face the sun (north-facing). This tool takes into account the ongoing costs of purchasing the system (future interest charged or interest If you want to design your off-grid solar power system for your off-grid home, cabin, cottage, or lodge and mobile solar power system for your RV, van, motorhome, car or boat or your grid-tied solar panel system for your residential home you’ve come to the right place. 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. This analysis is over 25 years.A solar system can be expected to last 25 years or more. Please treat this tool as a guide to assist in your decision-making. *Your solar savings results are an estimate only, based on the basic information required in this calculator. This paper details how the calculator works, the assumptions it is based on, and the information required for it to work. 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. It will typically cost about $1000 including installation, but we suggest you shop around. The inverter transforms DC current to the AC current used in NZ. The largest renewable energy supply in New Zealand, emits greenhouse gasses. Click here to learn why you should consider going solar. You can read our full solar calculator disclaimer here. 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. The first step is a free, no-obligation visit from one of our home energy experts. A timer automatically switches hot water on and heats it, regardless of whether there is excess energy or not. 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. 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). Level 1, 25 Exmouth Street, Eden Terrace, Auckland 1021 0508 2COMPARE ( … It’s 2020. It’s 2019. Contact us today to get a quote on a solar panel system for commercial buildings, brick and mortar stores, malls or large premises. If you don't know the amount, leave this field blank and we'll assume a cost of $1000. Press Release For Immediate Use SEANZ clarifies process over EECA Solar Calculator Government agency requested SEANZ expert analysis Auckland, 30 April 2019 - The Sustainable Energy Association NZ (SEANZ) responded to a TVNZ news story last night implying the organisation had lobbied intensively to have EECA’s tax-payer funded solar calculator taken down. This is the amount of money you would save on your electricity bill in year one only - your savings in subsequent years could differ. You will likely need to replace an inverter during this time - your results include this replacement cost. Acknowledgement: This tool was developed by the EPECentre, University of Canterbury. Ask a solar provider about the optimal system for your situation. Occupied by a family with three kids, no one home during the day. 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. NZ’s Leading and Largest Home Solar Company. 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. 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). Typically more solar electricity is generated during summer than winter. If you want to install solar panels, you should weigh up the potential costs against the potential savings. EECA will encourage people to use the calculator as the first step in making any decision about investing in solar panels for your home. The days selected are a Tuesday in mid-February and Tuesday in early June. This solar power calculator is indicative only. Solar System Output Calculator Postcode 6149. The chart below shows you how much solar energy you could expect to receive at different times of the year, based on the inputs you have provided. 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. So, say no to rising power prices and start saving money now. Based on our research, our calculator factors in potential generation, household consumption, and potential energy exports, as well as current and future pricing scenarios. We’ve built an interactive tool that works out how to calculate a solar panel system installation for your home, commercial or industrial building. How to choose solar panels - simplified Select the pitch which best represents your roof (the most common Solar calculators also ask for your home location to determine how much sunshine is available. This is a really simple calculator that recommends you a solar system size based upon power bill data. Find and compare energy efficient models. The solar tool uses certain key assumptions to estimate the value of installing solar on a home. Test how much power you need to deliver to your appliances every day to keep them charged using the REDARC Solar Calculator. The solar tool helps you assess the estimated financial return of solar electricity for your house, based on a number of assumptions which can be found in your final report. 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. Some solar calculators assume a wattage for panels, while others ask you directly. 2. 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