May we use optional analytics, with PlaceNest's own cookies, to understand how visitors use PlaceNest? You can change your choice anytime. Privacy details
How much electricity a home uses, and how much solar it produces, changes through the year. In Canberra the difference between summer and winter is large, so a system that looks well matched on a summer day can behave very differently in July.
This page explains the seasonal pattern in general terms and why it matters for solar, batteries and electrification. It uses no averages or statistics: your own bills and interval data are the best guide.
In summer, days are long and the sun is high, so panels produce the most. In winter, days are shorter and the sun is lower, so the same system produces noticeably less, and cloudy or foggy mornings reduce it further.
Panel orientation matters more in winter: north-facing panels catch more of the low winter sun, while east- and west-facing panels spread generation across the morning or afternoon.
Canberra has cold winters, and homes that heat with electricity use much more in winter, mostly in the morning and evening when solar output is low or zero.
In summer, cooling can raise use in the afternoon and evening. Afternoon cooling often lines up with solar generation; evening cooling does not.
Because generation peaks in summer and heating peaks in winter, seasonal effects change the value of each part of a system.
Compare a summer bill with a winter bill, or ask your retailer for interval data covering a full year. Look at evening and overnight use in each season, and at how much you export in summer.
If an installer or online tool gives you monthly estimates, use them to see the seasonal pattern; they are estimates, not measurements, so check the assumptions listed with them.
Not necessarily. Sizing for winter use usually means a large summer surplus that is exported for a lower credit. A designer should look at the whole year, your roof and any export limit.
It depends on how much spare solar you have on winter days. On many winter days a battery may only partly charge. Some households also charge from off-peak grid electricity, depending on their plan.
Panels generally work well in cool conditions; in winter it is the shorter days and lower sun that reduce output.
Not yet reviewed by a person. Programs, products and rules change — check the official source before you decide.
General information only. PlaceNest's energy guides, and any estimates or incentive lists, are general information and estimates — not personalised financial advice, and not a quote. Programs, prices and rules change: check the official sources, and get written quotes from accredited installers before you decide.
PlaceNest guides are general information, not financial advice. Whether solar, a battery or an EV charger pays off depends on your home, usage and prices.
Any incentive or finance details PlaceNest shows come from a reviewed list, each with its official source and the date it was checked; eligibility is decided by each program. See how incentives work and paying for an upgrade.