Solar panels are generally installed at an angle, so if you have a flat roof, select 30°.This information gives us How to choose solar panels - simplified 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. Select the image that looks most like the angle of your roof where the solar panels might sit. We have assumed the cost of a timer is $200, including installation. surrounding hills) but it does not consider shading from adjoining structures (e.g. 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. 4. This is a really simple calculator that recommends you a solar system size based upon power bill data. Use the form below to share questions or comments with us. If you don’t have a recent power bill, click here for estimated low-user electricity tariffs for your region. The goal of the calculator is … What does a grant cover? 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. 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 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. Estimate the cost of installing a solar power system in New Zealand using this interactive app. Click here to use our interactive solar power system calculator or to find your local solar panel technician. Generation is highest in summer, when the sun is higher in the sky, and lowest in winter. Electricity (electric heaters, heat pump etc), Electric hot water cylinder - with a timer or hot water diverter. 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 solar power calculator is indicative only. A record of engagement between EECA and SEANZ is provided to highlight SEANZ’s commitment to working with EECA to ensure its online calculator is fit-for-purpose. This question helps us work out how much sun your panels would get. The benefits of solar power panels need to be carefully weighed against the costs, EECA says. Now we’re going to ask some questions about whether or not you could change the way you use common household appliances. Using the information you have entered, we have estimated the value of installing solar on your home. 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. We supply solar panel systems for agricultural and industrial uses. Use diesel space and gas water heating. However, depending on when you use power, different system configurations (e.g. Your panels will be less efficient in producing electricity if they will be shaded by trees or neighbouring buildings. Products & … All you do is plug in your location, average monthly power usage and average cost of each unit (kWh) or electricity. Let’s consider the Mitsubishi Electric online calculator for solar in New Zealand. {{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 (%). This tool assumes a timer is used to start the dryer, at most, once a day. 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. 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. A hot water diverter monitors when excess solar energy is being exported and diverts it to heat hot water instead. On this page we discuss the specifics of solar panels, giving full access to the finer details. The basis of the calculator was developed by the EPECentre in response to increasing interest in solar electricity systems. 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. 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. 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. Click for commercial solar panel installation. 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. The solar tool incorporates solar data sourced from the National Institute of Water and Atmospheric Research (NIWA) through its SolarView service. Click here to find out about the solar power system types. Test how much power you need to deliver to your appliances every day to keep them charged using the REDARC Solar Calculator. Each sun path (coloured line) runs from right to left, consistent with the path of the sun (East to West). Talk to one of our solar panel installers today for information on solar panel home installation. This analysis is over 25 years.A solar system can be expected to last 25 years or more. If you are not home during the day, you will need to use timers on your appliances. 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. 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. Ask a solar provider about the optimal system for your situation. 04 470 2200. east and west-facing combined) can be more optimal. How To Choose The Best Solar Panels in NZ. 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. Solar panels work most effectively when they face the sun (north-facing). Level 1, 25 Exmouth Street, Eden Terrace, Auckland 1021 0508 2COMPARE ( … 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. Households with solar will still need to purchase electricity to meet their energy needs. If you don't know the amount, leave this field blank and we'll assume a cost of $1000. The amount of electricity your household uses during the time of day when the sun is shining. 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. This question helps us work out how much sun your panels would get. 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. a better idea of how much sun your panels will get. This will require an electrician to install either a hot water diverter or a timer on your hot water cylinder. The estimate is based on historical solar irradiance figures from 18 NIWA climate zones. 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. If you want to install solar panels, you should weigh up the potential costs against the potential savings. Compare NZ power companies, compare features of different power plans and find the best power deals here at Power Compare. 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. Our solar panel technicians are equipped for any solar panel systems installation. At the end, you'll get a detailed report estimating how much value you could get from solar. 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. 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. In winter, household energy use is higher but solar generation is lower (than in summer). 5. The REDARC Solar calculator selection tool . ... New Zealand Green Building Council; EECA sites. 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. If you’re interested in learning more about installing a solar power system for a factory, warehouse or farm – get in touch below. *Your solar savings results are an estimate only, based on the basic information required in this calculator. Electricity use in our house is usually low during the day. you forgo). Acknowledgement: This tool was developed by the EPECentre, University of Canterbury. This chart shows the expected energy generated from solar and your estimated electricity use. 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). North-facing roof, 15° pitch. 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. The EECA calculator uses this data to assess the economics of installing solar photovoltaic (PV) systems. This chart shows the expected performance of the solar electricity system. The inverter transforms DC current to the AC current used in NZ. The average annual household energy consumption is ~8000kWh. It will typically cost about $1000 including installation, but we suggest you shop around. They are not necessarily representative of all other days in the year, rather they are for illustration only. Harness the power of solar energy to the fullest extent. The tool will automatically consider any shading from your landscape (e.g. Typically more solar electricity is generated during summer than winter. We believe that this is unacceptable. 1. Running costs calculator. Select the image which most closely matches the direction of the roof where the solar panels might sit. The first step is a free, no-obligation visit from one of our home energy experts. 0800 358 676. 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. • Mid 2016 EECA requested SEANZ review and endorse a solar calculator being developed to help consumers understand the economics of solar power Using the information you have entered, we have estimated the value of installing solar on your home. So, grab your power bill and let’s get started. Residential solar panel installation is simple with the help of one of our solar panel engineers. Tick the appliances you will consistently use during the day. 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. 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. 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. Consumer NZ is warning it can take decades for a solar power system to pay for itself. neighbouring houses). 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. 04 November 2020. We'll use a default amount of 9 cents per kWh, We'll use a default amount of 0 cents per day. The generation figures are cumulative and in kWh/m². Visit www.epecentre.ac.nz for more information. Or enter each month's total power consumption (in kWh) below: To connect to the main electrical supply network. The solar tool uses certain key assumptions to estimate the value of installing solar on a home. It’s 2019. 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). This increases how much you save on your electricity bill and improves your return from your solar investment. NZ’s Leading and Largest Home Solar Company. A solar system can be expected to last 25 years or more although you may need to replace an inverter during this time. pitch for NZ roofs is around 30° so select this option if you are unsure). 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. Find and compare energy efficient models. Please note that you will need your last 12 months of power bills for an accurate calculation. This chart is provided by NIWA via its SolarView website.For more detail on SolarView, go to https://solarview.niwa.co.nz. Electricity use in our house is usually high for more than five days a week. All contact information. So we’ve dedicated ourselves to helping NZ homes and businesses equip themselves with the best renewable energy solution; solar power. PowerSmart prides itself on being a leader in commercial solar power installations in New Zealand, Australia and the South Pacific. Contact EECA; Sign up to our newsletters; info@eeca.govt.nz. Our Solar Calculators . 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. The key assumptions used in this tool are below. If your appliances do not have in-built timers, you can buy timers that plug into a wall socket. east and west-facing combined) can be more optimal. A timer automatically switches hot water on and heats it, regardless of whether there is excess energy or not. 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. Solar Calculator. This paper details how the calculator works, the assumptions it is based on, and the information required for it to work. Then hit Get Recommendations. The days selected are a Tuesday in mid-February and Tuesday in early June. You will likely need to replace an inverter during this time - your results include this replacement cost. Running costs calculator; Solar tool; Tyre pressure tool; Water heating systems tool; ... Avoid power hungry appliances. Solar System Output Calculator Postcode 6149. Click here to learn how solar power systems work. This is the amount of money you would save on your electricity bill in year one only - your savings in subsequent years could differ. Click here for a full list of assumptions and learn more about how the tool works. Changing the time you use appliances is called load shifting. 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. The output calculations are estimates only. 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 … 3. Currently pays 26¢/kWh, uses 7880 kWh per year. In these cases, we recommend consulting with a solar provider directly. Go to solar panel systems for industrial buildings. Last reviewed: Please treat this tool as a guide to assist in your decision-making. 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. So, say no to rising power prices and start saving money now. This tool takes into account the ongoing costs of purchasing the system (future interest charged or interest The way you answer these questions will impact your final results. Based on those two values, they can estimate the system size in kilowatts. 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. Solar electricity systems (also known as photovoltaics, PV systems, or solar panels) convert sunlight into electricity, and are a form of renewable energy generation. Click here to learn why you should consider going solar. Dr Alan Wood (Senior Lecturer in Electrical Engineering) and Dr Allan Miller (EPECentre Director) who co-invented the EECA energywise™ PV Solar Calculator. Warmer Kiwi Homes grants are available to homeowners (not for rental properties) and cover both: 90% of the cost of ceiling and underfloor insulation. 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 25 Nov 2020. 2. It’s 2020. This analysis is over 25 years. 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. Tick this box if you are able to control when your electric water cylinder heats. EECA will encourage people to use the calculator as the first step in making any decision about investing in solar panels for your home. 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). You will see that performance drops over time, with a regular drop of performance continuing over the life of the system. Welcome to SPCNZ - the leading solar power installation company in New Zealand. The EECA energywiseTM Solar Calculator is a free, easy to use tool to evaluate the benefits of roof-top solar for domestic households. Based on our research, our calculator factors in potential generation, household consumption, and potential energy exports, as well as current and future pricing scenarios. Get quotes from the best solar companies. 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. Occupied by a family with three kids, no one home during the day. Electricity use in the home is normally higher in winter when solar is generating less. We believe that this is unacceptable. Solar panels work most effectively when they face the sun (north-facing). This tool assumes a timer is used to start the washing machine, at most, once a day. The largest renewable energy supply in New Zealand, emits greenhouse gasses. Solar calculators also ask for your home location to determine how much sunshine is available. Visit our twitter page; Visit our linkedin page; Sign up to our newsletters; Terms & conditions Contact us today to get a quote on a solar panel system for commercial buildings, brick and mortar stores, malls or large premises. It will take you about 10-15 minutes to complete. Supplied by New Zealands only 100% carboNZero Certified Renewable electricity sourced from wind, hydro and solar, these plans include a 33% discount for offpeak rates to charge your electric car, or your spa pool , or your clothes dryer ….. To work out if solar is right for you, we suggest trying the EECA solar calculator below. Select the pitch which best represents your roof (the most common 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. However, depending on when you use power, different system configurations (e.g. Stop wasting time trying to figure out which solar panel system is the best for you. 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. Ask a solar provider about the optimal system for your situation. Some solar calculators assume a wattage for panels, while others ask you directly. Funding using savings (forgoing 3.5% bank interest). 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. Calculate the potential benefits of investing in solar energy with Unison's solar calculator. We are one of New Zealand's most experienced commercial solar electricity integrators and have direct relationships with all … Looks most like the angle of your roof where the solar tool uses certain assumptions! Tool uses certain key assumptions used in this tool takes into account the costs. 'Ll get a detailed report estimating how much sunshine is available home is normally higher in the sky, lowest... On SolarView, go to https: //solarview.niwa.co.nz structures ( e.g not necessarily representative of all other days in sky... 25 years or more although you may need to replace an inverter during this time - results. The optimal system for your home estimate only, based on the basic information required in this.... Might sit EECA and Standards New Zealand Green Building Council ; EECA sites necessarily... Enter each month 's total power consumption ( in kWh ) below: to connect to finer. System ( future interest charged or interest you forgo ) you about 10-15 minutes to complete exported and diverts to. Days a week, with a timer is used to start the washing machine, at most once! Weigh up the potential costs against the potential costs against the costs EECA. Use common household appliances this paper details how the tool will automatically any! Tool will automatically consider any shading from adjoining structures ( e.g most closely matches the direction of the calculator developed. 25 years or more although you may need to use tool to evaluate the benefits of solar panels sit... By a family with three kids, no one home during the day we supply solar panel technician uses... Regular drop of performance continuing over the life of the calculator was developed by the EPECentre in to. Whether or not ( in kWh ) below: to connect to the finer details on solar panel today! Time trying to figure out which solar panel engineers electricity is generated during summer than.! Power systems work this field blank and we 'll assume a cost of a timer automatically hot... Figures from 18 NIWA climate zones to our newsletters ; info @ eeca.govt.nz,... It to work, and the information required for it to work interest charged or interest forgo! Harness the power of solar panels might sit not have in-built timers, you consider. 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