A return on investment (ROI) analysis shows how much revenue a project generated, compared to how much the project cost. Through transparent advice we tailor the ideal solar system for your needs. The optimum angle for solar power collection in the UK is 35°. Divide that number by the cost of electricity from your local utility company. Solar Roof is the only roof that can help pay for itself with the energy you produce. The simple PV array size calculator below roughly estimates the amount of space a solar power system will take up on a roof and the amount of power the system might generate. Solar panels give the highest energy output when they are directly facing the sun. Our mission is to provide the highest quality systems at an affordable price, providing a complete end-to end solution. See how solar panels look on your roof. One way of determining the slope of your roof is to look at the rafters on your attic. Queenstown Solar design and install grid-tied solar, battery and off-grid solar systems. Compound growth calculator. As the first-ever NZ floating solar array, the Rosedale project sets a precedent for solar innovation. But wait, do you get 200% ROI over a year, or 200% ROI over 3 years? The bulk of solar generation is between 11am and 3pm. The cost of solar power systems has flat-lined in New Zealand after steadily reducing in price over the past five years. solar power as a function of time, in kWh or Wh, that your solar panel can produce, taking into account its rated power and solar energy available at your place.. ; We suggest contacting Harmoney, Simplify Loans and Lending Crowd (in that order) to see what interest rate they will offer. Solar Panel Cost. This solar panel output calculator helps you estimate the real daily energy, a.k.a. ideal roofspace for installing solar … 2 Highest of over 3,200 silicon solar panels, Photon Module Survey, Feb 2014. Return on Investment Graph - If all solar power is directly consumed. The graph below shows the return on investment if all solar power is directly consumed (no excess solar power). The attached simple ROI calculator is an Excel template. South-facing solar panels provide you with maximum energy savings for your home. As you can see from the formula, ROI doesn’t take time into account. This large jump in efficiency resulted in the power output of a standard … To get the best payback from solar PV, you need to use as much of the solar power as possible as it is generated. Simple ROI Calculator Excel Template. 100% online experience guaranteed to find you the best solar panels for your home. Solar Panel Efficiency. Rapidly-increasing greenhouse gas emissions threaten the world’s climate with significant, long-term change. The average cost to install solar panels is from $10,626 to $26,460 (after tax credit) for a 6kW to 12kW system to power an entire house. Conclusion. The average solar panel payback period is 7 to 12 years, and solar energy saves $600 to $2,000 per year on electricity costs.. The national average is $0.13 per watt, but that can fluctuate dramatically. The given measurements are for unobstructed and unshaded areas of south facing roofspace i.e. ROI may be calculated in Excel, but there is no specific formula for it — it simply displays inputs and outputs to help you come up with the final number. This is to help you decide whether a PV system is for you. Free Solar Battery Calculator: Calculate Fast & Easy The Solar Battery Bank Capacity And The Number Of Batteries In Series Or Parallel Free PWM Charge Controller Calculator Solar Panel Output Calculator- Estimate the Real Energy You Can Get From Your Solar Panels In this template, you will find four different methods to calculate ROI. It allows homeowners, small building owners, installers and manufacturers to easily develop estimates of the performance of potential PV installations 25 Year Return on Investment $0 Down Lease. Customize your energy savings by adjusting your panel layout. Wanaka Solar design and install grid-tied solar, battery and off-grid solar systems. A solar feed-in tariff is a credit you receive for excess solar energy that your system generates and exports back to the grid.Feed-in tariffs are typically between 9 – 15c per kilowatt-hour (kWh) but the rates vary in each state and are ultimately determined by your electricity retailer. Solar panels also generate considerably more power in the summer, when the days are longer and the sun is higher in the sky. Since 2008 we have been trusted by over 3,000 businesses and developed over 750MW of solar farms; Over 1 million people use Solar Choice every year to research and compare their local pre-vetted solar installers; Solar Choice has pre-vetted a network of over 200 installers Australia-wide A mortgage calculator for professionals that can solve for payments, principal, term or rate.