Solar panels work most effectively when they face the sun (north-facing). The largest renewable energy supply in New Zealand, emits greenhouse gasses. Or enter each month's total power consumption (in kWh) below: To connect to the main electrical supply network. North-facing roof, 15° pitch. *Your solar savings results are an estimate only, based on the basic information required in this calculator. Funding using savings (forgoing 3.5% bank interest). How to choose solar panels - simplified The way you answer these questions will impact your final results. The EECA calculator uses this data to assess the economics of installing solar photovoltaic (PV) systems. Visit www.epecentre.ac.nz for more information. 04 470 2200. 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. Select the pitch which best represents your roof (the most common The generation figures are cumulative and in kWh/m². Select the image which most closely matches the direction of the roof where the solar panels might sit. 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. Last reviewed: Compare NZ power companies, compare features of different power plans and find the best power deals here at Power Compare. Typically more solar electricity is generated during summer than winter. If you don't know the amount, leave this field blank and we'll assume a cost of $1000. This chart is provided by NIWA via its SolarView website.For more detail on SolarView, go to https://solarview.niwa.co.nz. 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. Stop wasting time trying to figure out which solar panel system is the best for you. Occupied by a family with three kids, no one home during the day. Click here to find out about the solar power system types. We'll use a default amount of 9 cents per kWh, We'll use a default amount of 0 cents per day. This tool assumes a timer is used to start the washing machine, at most, once a day. Solar panels are generally installed at an angle, so if you have a flat roof, select 30°.This information gives us This chart shows the expected performance of the solar electricity system. Your panels will be less efficient in producing electricity if they will be shaded by trees or neighbouring buildings. 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). east and west-facing combined) can be more optimal. pitch for NZ roofs is around 30° so select this option if you are unsure). Using the information you have entered, we have estimated the value of installing solar on your home. 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. Our Solar Calculators . Our solar panel technicians are equipped for any solar panel systems installation. We supply solar panel systems for agricultural and industrial uses. 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. Welcome to SPCNZ - the leading solar power installation company in New Zealand. 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. east and west-facing combined) can be more optimal. This analysis is over 25 years. If your appliances do not have in-built timers, you can buy timers that plug into a wall socket. Electricity (electric heaters, heat pump etc), Electric hot water cylinder - with a timer or hot water diverter. 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. It will typically cost about $1000 including installation, but we suggest you shop around. This increases how much you save on your electricity bill and improves your return from your solar investment. Some solar calculators assume a wattage for panels, while others ask you directly. If you are not home during the day, you will need to use timers on your appliances. The benefits of solar power panels need to be carefully weighed against the costs, EECA says. Solar System Output Calculator Postcode 6149. If you’re interested in learning more about installing a solar power system for a factory, warehouse or farm – get in touch below. 3. The charts below give you an indication of how much solar power you would generate on a summer and winter day, and your estimated electricity use. 1. Get quotes from the best solar companies. This analysis is over 25 years.A solar system can be expected to last 25 years or more. All contact information. 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. 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. Harness the power of solar energy to the fullest extent. This tool takes into account the ongoing costs of purchasing the system (future interest charged or interest Test how much power you need to deliver to your appliances every day to keep them charged using the REDARC Solar Calculator. The goal of the calculator is … neighbouring houses). This will require an electrician to install either a hot water diverter or a timer on your hot water cylinder. 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. Generation is highest in summer, when the sun is higher in the sky, and lowest in winter. We are one of New Zealand's most experienced commercial solar electricity integrators and have direct relationships with all … 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. Use the form below to share questions or comments with us. Cash flow includes purchase and installation costs, money earned from selling excess electricity to the grid, and savings on your electricity bill from using electricity your system has generated. 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. If you don’t have a recent power bill, click here for estimated low-user electricity tariffs for your region. 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). PowerSmart prides itself on being a leader in commercial solar power installations in New Zealand, Australia and the South Pacific. Based on those two values, they can estimate the system size in kilowatts. The average annual household energy consumption is ~8000kWh. REDARC solar panels are easy to use, portable and highly efficient, however it can be difficult to work out which type and how many are best suited for your trip. The days selected are a Tuesday in mid-February and Tuesday in early June. Ask a solar provider about the optimal system for your situation. At the end, you'll get a detailed report estimating how much value you could get from solar. We have assumed the cost of a timer is $200, including installation. The inverter transforms DC current to the AC current used in NZ. If you want to install solar panels, you should weigh up the potential costs against the potential savings. 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. Contact us today to get a quote on a solar panel system for commercial buildings, brick and mortar stores, malls or large premises. Use diesel space and gas water heating. Currently pays 26¢/kWh, uses 7880 kWh per year. It’s 2020. 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 Please treat this tool as a guide to assist in your decision-making. 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. 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. Please note that you will need your last 12 months of power bills for an accurate calculation. Warmer Kiwi Homes grants are available to homeowners (not for rental properties) and cover both: 90% of the cost of ceiling and underfloor insulation. In these cases, we recommend consulting with a solar provider directly. Estimate the cost of installing a solar power system in New Zealand using this interactive app. Talk to one of our solar panel installers today for information on solar panel home installation. 25 Nov 2020. Dr Alan Wood (Senior Lecturer in Electrical Engineering) and Dr Allan Miller (EPECentre Director) who co-invented the EECA energywise™ PV Solar Calculator. Click here to learn how solar power systems work. The estimate is based on historical solar irradiance figures from 18 NIWA climate zones. Visit our twitter page; Visit our linkedin page; Sign up to our newsletters; Terms & conditions 5. 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. The tool will automatically consider any shading from your landscape (e.g. Changing the time you use appliances is called load shifting. This is how long it would take to pay off your solar investment from a loan or savings, through electricity cost savings.This figure takes into account the interest you would pay on a loan or the interest you would lose on savings, depending on how you purchase the system. It’s 2019. Using the information you have entered, we have estimated the value of installing solar on your home. 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. 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 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. What does a grant cover? Solar calculators also ask for your home location to determine how much sunshine is available. 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. NZ’s Leading and Largest Home Solar Company. The EECA energywiseTM Solar Calculator is a free, easy to use tool to evaluate the benefits of roof-top solar for domestic households. This question helps us work out how much sun your panels would get. Contact EECA; Sign up to our newsletters; info@eeca.govt.nz. Acknowledgement: This tool was developed by the EPECentre, University of Canterbury. You will see that performance drops over time, with a regular drop of performance continuing over the life of the system. So, say no to rising power prices and start saving money now. However, depending on when you use power, different system configurations (e.g. The calculator was developed by the authors (originally called the PV Web Tool) with assistance from the GREEN Grid research programme, with the aim of informing the New Zealand public about PV solar power in an unbiased way. On this page we discuss the specifics of solar panels, giving full access to the finer details. 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. ... New Zealand Green Building Council; EECA sites. However, depending on when you use power, different system configurations (e.g. Select the image that looks most like the angle of your roof where the solar panels might sit. 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. Households with solar will still need to purchase electricity to meet their energy needs. 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. All you do is plug in your location, average monthly power usage and average cost of each unit (kWh) or electricity. EECA will encourage people to use the calculator as the first step in making any decision about investing in solar panels for your home. a better idea of how much sun your panels will get. The first step is a free, no-obligation visit from one of our home energy experts. 4. Then hit Get Recommendations. Electricity use in our house is usually high for more than five days a week. Click here for a full list of assumptions and learn more about how the tool works. 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. {{model.financial_details.time_to_pay_back}}, {{model.estimated_annual_usage | number}}, Estimated energy generated and required over a year, Your estimated solar generation over time, ${{model.financial_details.money_saved | number}}, Credit from solar electricity sold (first year only), ${{model.financial_details.power_credited | number}}, {{model.PanelBearing | roofBearingConverter}}°, {{model.PromptPaymentDiscount | discountMapper}}, {{model.PricingScheme | pricingSchemeMapper}}, {{model.AtHomeStatus | atHomeStatusMapper}}, {{model.TypeOfMainHeating | mainHeatingTypeMapper}}, {{model.TypeOfWaterHeating | waterHeatingTypeMapper}}, {{model.loadShiftReportData.washingMachine}}, {{model.loadShiftReportData.clothesDryer}}, Total purchase & installation cost (inc GST), ${{model.SystemInstallationCost | number}}, {{model.DefaultSystemSizeIfNoQuote | systemSizeCostMapper: model.systemQuotes:"Size" }}, ${{model.DefaultSystemSizeIfNoQuote | systemSizeCostMapper: model.systemQuotes:"Cost" | number }}, {{model.energy_plots.total_generated | number}} kWh, {{model.energy_plots.energy_generated_used | number}} kWh, {{model.energy_plots.energy_generated_excess | number}} kWh, {{model.energy_plots.energy_required | number}} kWh, Annual operation and maintenance cost ($), Annual electricity retail price adjustment (%). 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