Select the image which most closely matches the direction of the roof where the solar panels might sit. neighbouring houses). Compare NZ power companies, compare features of different power plans and find the best power deals here at Power Compare. 3. This chart shows the expected energy generated from solar and your estimated electricity use. Click here to learn how solar power systems work. The solar tool uses certain key assumptions to estimate the value of installing solar on a home. Contact us today to get a quote on a solar panel system for commercial buildings, brick and mortar stores, malls or large premises. {{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 (%). The inverter transforms DC current to the AC current used in NZ. surrounding hills) but it does not consider shading from adjoining structures (e.g. 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. 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. Acknowledgement: This tool was developed by the EPECentre, University of Canterbury. The basis of the calculator was developed by the EPECentre in response to increasing interest in solar electricity systems. 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. 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. east and west-facing combined) can be more optimal. The average annual household energy consumption is ~8000kWh. Each sun path (coloured line) runs from right to left, consistent with the path of the sun (East to West). On this page we discuss the specifics of solar panels, giving full access to the finer details. The largest renewable energy supply in New Zealand, emits greenhouse gasses. 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. 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. A timer automatically switches hot water on and heats it, regardless of whether there is excess energy or not. 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. We’ve built an interactive tool that works out how to calculate a solar panel system installation for your home, commercial or industrial building. 0800 358 676. Test how much power you need to deliver to your appliances every day to keep them charged using the REDARC Solar Calculator. 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. Residential solar panel installation is simple with the help of one of our solar panel engineers. Warmer Kiwi Homes grants are available to homeowners (not for rental properties) and cover both: 90% of the cost of ceiling and underfloor insulation. 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. So we’ve dedicated ourselves to helping NZ homes and businesses equip themselves with the best renewable energy solution; solar power. Please treat this tool as a guide to assist in your decision-making. Get quotes from the best solar companies. 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 will typically cost about $1000 including installation, but we suggest you shop around. Based on our research, our calculator factors in potential generation, household consumption, and potential energy exports, as well as current and future pricing scenarios. Tick the appliances you will consistently use during the day. It’s 2020. This tool assumes a timer is used to start the washing machine, at most, once a day. The way you answer these questions will impact your final results. Products & … Stop wasting time trying to figure out which solar panel system is the best for you. How To Choose The Best Solar Panels in NZ. This increases how much you save on your electricity bill and improves your return from your solar investment. We have assumed the cost of a timer is $200, including installation. 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. 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. Using the information you have entered, we have estimated the value of installing solar on your home. 5. Use diesel space and gas water heating. Click here to find out about the solar power system types. Running costs calculator; Solar tool; Tyre pressure tool; Water heating systems tool; ... Avoid power hungry appliances. The tool will automatically consider any shading from your landscape (e.g. 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. 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. Harness the power of solar energy to the fullest extent. The goal of the calculator is … Select the image that looks most like the angle of your roof where the solar panels might sit. 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