Last updated 10 September 2026 Quick answer: A solar panel on its own loses about 0.5% of its output a year. A whole system, measured from the inverter, loses about 0.75% a year, because soiling, wiring and small outages add to the panel’s own fade. Hot climates...
Last updated 10 September 2026 Quick answer: Solar systems fail in a bathtub pattern. Most early faults show up in the first year or two (installation errors, water ingress, dud components), there is a quiet stretch from roughly year 3 to year 7, and then inverter...
Last updated 10 September 2026 Quick answer: List every system with its inverter brand and kWp, export a full financial year of generation from each portal, divide kWh by 1,000 to get MWh, check how many days of data are missing before you add anything up, and...
Last updated 10 September 2026 Quick answer: No. The NSW Net Zero Government Operations Policy only covers state government agencies, so no council has a legal duty to report solar generation. What councils do have is a duty to report progress against their own...
Last updated 10 September 2026 Quick answer: If your NSW agency has 100 or more staff, the Net Zero Government Operations Policy requires you to publish three solar numbers every year: installed capacity in MW, annual generation in MWh, and annual bill savings....
Last updated 10 September 2026 Quick answer: Open the free Latitude and Longitude Finder, type the address and pick it from the list. A pin drops on the satellite photo and you get the coordinates in decimal degrees and degrees, minutes, seconds, each with a copy...
Last updated 10 September 2026 Quick answer: Open the free Roof Area & Panel Calculator, search your address, tap the corners of a roof section on the satellite photo and close the shape. It gives you the roof area in square metres, how many panels fit and the...
Last updated 23 September 2026 Quick answer: Open the free Solar Panel Angle Calculator, enter your roof’s direction, its tilt and your postcode. It shows the best direction and tilt for panels where you live, what percentage of that your roof captures, and for...
Last updated 10 September 2026 Quick answer: Take a photo of your house side on, open the free Roof Tilt Calculator, drag the blue line along the roof edge and the green line along something level like a brick course. The angle between them is your roof pitch. The...
Last updated 10 September 2026 Quick answer: Open the free Roof Azimuth Calculator, type your address, tap the ridge of the roof section, then tap a second point in the direction the roof slopes down. The tool gives you the azimuth in degrees from true north. It takes...
