Schools are a near-perfect solar match. Until the holidays.
A school uses power on weekdays, during daylight, when the sun is up — which is about as good as a commercial load profile gets. The complication is the calendar: term holidays remove a large share of the year, and they fall partly across the highest-generating months. Any proposal that models a school on annual averages has skipped the one thing that makes schools different. In Victoria there is also new money for exactly these buildings.
Reviewed by the Mission Green commercial team · Updated August 2026
Why schools are
such good solar sites.
The load lands exactly where the generation is.
Most commercial solar disappointment comes from a mismatch between when a site generates and when it consumes. Schools largely do not have that problem. Classroom lighting, computers, heating and cooling, canteens and hall equipment all run on weekdays, in the middle of the day.
That means a high proportion of generation is consumed on site at the retail rate rather than exported at a feed-in rate — which is the single biggest driver of whether commercial solar is worth doing.
Community buildings often share the same shape for the same reason: halls, libraries, neighbourhood houses and clubs are used during the day and are occupied when the sun is up.
Then a quarter
of the year disappears.
The thing that makes schools different, and the thing most proposals omit.
Australian school terms leave substantial breaks, including a long summer break that coincides with the highest-generating period of the year. During those weeks a school's load collapses to base building services while the array continues producing at its best.
That generation is not wasted — it is exported, at feed-in rates. But it is worth a fraction of what the same energy would have been worth in term time, and a model built on annual averages quietly assumes otherwise.
The practical consequence is that a school system should generally be sized to term-time consumption. Sizing to a whole-year average produces a system that is slightly too large for the days that matter and considerably too large for the ones that do not.
New money for
exactly these buildings.
A change that is specifically aimed at non-residential sites.
A VEU discount, 30-200 kW
Solar Victoria states the Victorian Energy Upgrades program now offers upfront incentives for commercial and industrial premises installing solar PV between 30 and 200 kilowatts.
Schools named explicitly
Solar Victoria states all Victorian businesses and non-residential sites, such as community buildings, schools and hospitals, are eligible to apply.
Accredited providers only
Systems must be installed through VEU accredited providers. This cannot be satisfied afterwards, so it has to be confirmed before the contract.
Solar Victoria also states that requirements covering the system, the products used, product warranties and system size must be met, and details those on the Victorian Energy Upgrades website. Product choice can therefore affect eligibility, which is a conversation to have before an order is placed rather than after.
Outside Victoria, the federal small-scale scheme is the baseline. A school system stays inside it at 100 kW or less and under 250 MWh a year — and a large school roof with good orientation is precisely where the output test starts to matter.
So what should
a school actually do?
Short version.
Size to term time, and ask to see the holiday assumption. It is the single question that separates a realistic school proposal from an optimistic one.
Check the demand charge, not just the energy charge. Schools with substantial heating and cooling can carry a demand component, and an annual-ratchet peak set on one hot February afternoon bills for the following year.
In Victoria, confirm VEU accreditation in writing before signing. The discount cannot be claimed retrospectively through a provider who is not accredited.
Think about what else could use the holidays. Some schools have loads that can move — pool heating, hot water, maintenance activity, EV charging for a fleet or for staff. Anything that shifts consumption into break periods improves the return on a system that is otherwise exporting cheaply.
If the building is not yours, resolve that first. Community buildings on council or church land raise the same ownership questions as any leased premises, and they are better settled before installation.
School and community solar:
your questions, answered.
Generally yes, because the load profile is close to ideal — weekday daytime consumption from lighting, computers, heating, cooling and canteens lines up with generation, so a high proportion of output is consumed on site at retail rates rather than exported at feed-in rates. The main complication is term holidays.
Load falls to base building services while the array keeps generating, including through the long summer break that coincides with the highest-generating period of the year. That output is exported rather than wasted, but at a fraction of the value it would have had in term time. It is why a school system should generally be sized to term-time consumption rather than to an annual average.
Solar Victoria states the Victorian Energy Upgrades program has been expanded with upfront incentives for commercial and industrial premises installing solar PV between 30 and 200 kilowatts, and that all Victorian businesses and non-residential sites, such as community buildings, schools and hospitals, are eligible to apply. Systems must be installed through VEU accredited providers.
No. The incentive is created by the accredited provider as part of the installation, so if the installer is not accredited there is nothing to pass through and no separate later claim. Confirm accreditation in writing at quote stage.
Size it to term-time consumption and check the certificate thresholds for the result. A system stays inside the federal small-scale scheme only at 100 kW or less and under 250 MWh of annual output, and a large well-oriented school roof is exactly the case that can pass the capacity test and exceed the output test.
Many do, particularly where there is significant heating and cooling plant. It is worth checking, because demand charges are set by a short peak rather than by total consumption, and on an annual-ratchet tariff a peak set on one hot afternoon can bill every day for the following twelve months.
Where these figures come from.
Solar Victoria for the Victorian discount and its conditions, the Clean Energy Regulator for certificate thresholds. We do not publish system prices.