Specialist solar panels for schools in Liverpool
What decides a solar scheme at a Liverpool school is how much of the output the site uses itself, not how much the roof makes. We arrange the roof survey, model the output against the school's own half hourly consumption, and set out the funding routes.
322,200 kWh a year, modelled for a 380 kWp array on roughly 1,129 sqm of clear roof. That is the size applied for at the nearest school scheme on record. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.
Book a roof survey in Liverpool- 1 teaching block
- 2 hall and kitchen
- 3 sports hall
- 4 1960s block, no array
- first phase
- later phase
Illustrative layout for an estate of this size. The array is drawn at about 345 kWp, roughly 53 percent of the 650 kWp these three roofs would hold, because a school sizes to the load it can use in term time rather than to the roof it has: generation it cannot use is exported at a much lower rate than it pays to import. The hatched block carries no array because its structure has not been assessed, which on a school of that era is the usual starting point rather than an exception. Your own figures, and which of your blocks can take an array, come from the roof survey.
Solar for education buildings across Merseyside
A one kilowatt-peak array on a shallow pitched roof in Liverpool models at 848 kWh a year, from modelled irradiation of 1,083 kWh per square metre in the plane of the array (EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss). That is about 4 percent below the mean across the towns we cover, which is a smaller gap than most schools expect and smaller than the gap between a well matched and a badly matched system.
Scaled up, a 380 kWp array, sized to what the nearest school scheme on record applied for, 8 miles away at St Helens, models at about 322,200 kWh a year before shading, and needs roughly 1,129 square metres of clear roof. We take the size from the nearest real application rather than a round number, so the example is anchored to something a planning officer has already seen.
Spread across the year that is about 82,500 kWh landing in July and August and roughly 13,500 kWh across December and January. SP Energy Networks sets what may go back onto the network here, so the July figure is the one worth putting in front of a governing body first.
Liverpool ranks 5 of 6 towns we cover in Merseyside on modelled yield, against a national mean of 886 kWh per kWp. The county runs from 830 to 877, a spread of 47 kWh per kWp. On a 500 kWp array that is about 23,500 kWh a year between the strongest and weakest town in the county.
School solar on record near L13
No school or college solar scheme appears in the L13 postcode district in the Renewable Energy Planning Database. That is a reporting threshold rather than a verdict. The database records generating stations from one megawatt upward reliably and smaller ones patchily, and almost every school array is a fraction of that, so a roof full of panels on a Liverpool secondary could be generating today without ever reaching it.
Look 8 miles out and there is one: The Sutton Academy, Elton Head Road in St Helens, 380 kWp, applied for by Located Property Limited, which holds consent and is awaiting construction. None of our doing. It is a public planning record, and the nearest evidence available of how an application like yours is treated around here. Source: Renewable Energy Planning Database, Q1 2026.
Term dates against the Liverpool generation curve
A Liverpool school roof generates most in the weeks its buildings are closed. 25.6 percent of the modelled year lands in July and August alone (EU PVGIS v5.2), and the summer holiday takes roughly six of those nine weeks out of the timetable. May is the strongest single month here at 14.4 percent of the annual total, which is still term time, and that works slightly in your favour against towns whose curve peaks in July.
Winter reverses it. December and January between them return 4.2 percent of the modelled year, and that is when the heating, the lighting and a full register are all drawing at the same time. The roof makes 7.6 times as much in May as it does in December, and August alone outproduces December by about 6.3 to one. 75 percent of the year arrives between April and September, and the point of that figure is not that the summer half goes unused, because April, May and June are full teaching months that draw hard. It is that the concentration peaks in the few weeks at the end of it when the building is shut.
Nationally this comes out at about 49 percent of annual generation falling on a session day. A business open every weekday sees roughly 71 percent. The 22 point gap is what a school appraisal has to absorb, and it is much the same in Liverpool as anywhere else.
The daily curve does the same thing in miniature. Load drops sharply after about three o'clock, generation does not, so the last three hours of a summer afternoon are pushing into an empty building unless something absorbs them. Half hourly meter data is the only way to see how much.
The conclusion is not that a Liverpool school should do nothing. It is that the array should be sized to the load that survives the holidays, which is usually the server room, the catering refrigeration, the ventilation and the hot water, plus whatever the site lets out over the summer. Anything above that line needs storage or an export agreement with SP Energy Networks to earn its keep.
We set out the whole argument about term dates and the generation curve on the home page, and what it does to a payback figure under costs.
- generated while the school is open
- generated at a weekend or in the holidays
The same figures as a table
| Month | Session days | Output, kWh per kWp | School open | School closed |
|---|---|---|---|---|
| Jan | 20 | 20 | 13 | 7 |
| Feb | 15 | 37 | 20 | 17 |
| Mar | 21 | 71 | 48 | 23 |
| Apr | 12 | 102 | 41 | 61 |
| May | 17 | 122 | 67 | 55 |
| Jun | 21 | 118 | 83 | 35 |
| Jul | 11 | 117 | 42 | 75 |
| Aug | 0 | 100 | 0 | 100 |
| Sep | 20 | 75 | 50 | 25 |
| Oct | 17 | 45 | 25 | 20 |
| Nov | 21 | 25 | 18 | 8 |
| Dec | 15 | 16 | 8 | 8 |
| Year | 190 | 848 | 415 | 433 |
Liverpool schools, phase by phase
Liverpool has 168 open state-funded schools and colleges on the DfE register teaching 76,201 pupils between them. Source: DfE Get Information About Schools.
The split is 120 primary, 33 secondary, 12 special and 3 further education, at an average of 454 pupils a site. Read 3.6 primaries per secondary as a sequencing hint rather than a statistic. A primary is a single survey visit and a modest array; a secondary is several roofs of different ages on one site, and that is where both the area and the complications are.
A trust holding more than one of these sites should look at them together. Grouping the surveys turns the grid question, the funding question and the procurement route into one exercise rather than four, and it usually changes which roof goes first.
Grid connection through SP Energy Networks
SP Energy Networks operates the distribution network across Merseyside, so the export application goes to them. Anything larger than 3.68 kW per phase falls under G99, which means an application before commissioning rather than a notification afterwards. A constrained network is not the end of a scheme. Capping export costs little when the building already absorbs most of what the roof produces.
Across Merseyside the planning database records 104 solar schemes totalling 98 MW, of which 1 are operational (REPD Q1 2026).
Book a roof survey at your Liverpool school
A survey in Liverpool starts with three things from you. Give us the postcode, the approximate roof area and, if you can get it from your supplier, twelve months of half hourly readings. What comes back is a usable area figure per block, output modelled against your own load rather than an average, and the ways a Liverpool school can pay for it.
Lenzie Consulting Ltd arranges the survey and passes your details to an MCS-certified installation partner so they can quote. We do not carry out the installation ourselves.
Liverpool school solar, answered
- What would a 380 kWp array produce at a Liverpool school?
- Yes, and the figure matters more than the sunshine. 848 kWh per kWp a year puts a 380 kWp array at around 322,200 kWh, on roughly 1,129 square metres of roof. The value of that depends on your term time load. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.
- What happens to the electricity during the summer holidays in Liverpool?
- Less is wasted than governors expect, but the figure is worth seeing: 25.6 percent of the year is modelled to arrive in July and August here (EU PVGIS v5.2), against a site running on holiday base load. Lettings, holiday clubs and summer works take some of it, storage takes more, and the rest is an export question for SP Energy Networks.
- Who do we apply to for export near Liverpool?
- Only SP Energy Networks can answer it for your connection. What we can say is that a capped export limit rarely breaks a school scheme, because the array that suits a school is sized to the term time load rather than to the roof.
- Do we need planning permission in Liverpool?
- Often not, because panels on the roof of a school building usually sit within permitted development for non-domestic buildings. The exceptions are listed buildings, conservation areas and arrays that project too far above the roof plane, and larger schemes still need prior approval from Liverpool. We confirm it either way.
- How many schools are there around Liverpool?
- Liverpool has 168 open state-funded schools and colleges on the DfE register, with 76,201 pupils on roll. Source: DfE Get Information About Schools. We survey across the whole of that area, and where a trust holds several sites we look at them in one pass.