Specialist solar panels for schools in Hessle
What decides a solar scheme at a Hessle 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.
26% of the modelled year lands in July and August, on a roof that returns 868 kWh per kWp a year. The worked example below runs at 320 kWp, 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 Hessle- 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 East Riding of Yorkshire
A one kilowatt-peak array on a shallow pitched roof in Hessle models at 868 kWh a year, from modelled irradiation of 1,108 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 2 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 320 kWp array, sized to what the nearest school scheme on record applied for, 51 miles away at Mansfield, models at about 277,800 kWh a year before shading, and needs roughly 950 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 72,200 kWh landing in July and August and roughly 12,500 kWh across December and January. Northern Powergrid 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.
Hessle ranks 2 of 6 towns we cover in East Riding of Yorkshire on modelled yield, against a national mean of 886 kWh per kWp. The county runs from 858 to 870, a spread of 12 kWh per kWp. Within East Riding of Yorkshire that difference is small enough to ignore: where the building sits is not what decides this scheme, your consumption pattern is.
School solar on record near HU13
Search the Renewable Energy Planning Database for the HU13 postcode district and nothing comes back under education. That is worth stating plainly and then setting aside: the register is built around generating stations, a school array is a fraction of the size it captures reliably, and plenty of school roofs never appear in any national record at all.
Look 51 miles out and there is one: The Samworth Church Academy, Sherwood Hall Road in Mansfield, 320 kWp, applied for by eEnergy Group PLC, 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 Hessle generation curve
A Hessle school roof generates most in the weeks its buildings are closed. 26 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 14.2 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 4.5 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 6.8 times as much in May as it does in December, and August alone outproduces December by about 5.8 to one. 74 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.
Summed over the year, about 49 percent of what a school roof makes arrives while the school is open. For a business trading every weekday the equivalent is roughly 71 percent. Nothing about Hessle changes that ratio much, but plenty about your own site changes what to do with it.
Inside the day it happens again. The roof is still at three quarters of its peak at four in the afternoon, by which time a Hessle school is largely empty, so the hours that look best on a generation chart are the worst on a consumption one.
A Hessle governing body should read that as a sizing constraint, not a reason to stop. The base load that runs through the holidays, servers, comms, refrigeration, ventilation and hot water, is the floor the array should be built up from, and everything above it has to be justified by storage, export or summer occupancy.
We set out the full treatment of the school year against 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 | 21 | 14 | 7 |
| Feb | 15 | 37 | 20 | 17 |
| Mar | 21 | 71 | 48 | 23 |
| Apr | 12 | 101 | 40 | 61 |
| May | 17 | 123 | 67 | 56 |
| Jun | 21 | 117 | 82 | 35 |
| Jul | 11 | 121 | 43 | 78 |
| Aug | 0 | 104 | 0 | 104 |
| Sep | 20 | 79 | 53 | 26 |
| Oct | 17 | 48 | 26 | 22 |
| Nov | 21 | 27 | 19 | 8 |
| Dec | 15 | 18 | 9 | 9 |
| Year | 190 | 867 | 421 | 446 |
East Riding of Yorkshire schools, phase by phase
East Riding of Yorkshire has 150 open state-funded schools and colleges on the DfE register teaching 44,348 pupils between them. Source: DfE Get Information About Schools.
The split is 128 primary, 18 secondary, 3 special and 1 further education, at an average of 296 pupils a site. 7.1 primaries per secondary is a mix weighted towards small sites. The roof area, and therefore most of the generation, sits with the 18 secondaries and the 1 further education site.
Across an estate of that size the roofs will not be in the same condition, and that is the point of surveying them together: the block with the best orientation is often not the block whose covering has twenty years left in it.
Grid connection through Northern Powergrid
Northern Powergrid is the network operator here, and their answer on export capacity shapes the design. Any commercial array above 3.68 kW per phase connects under G99 rather than G98, and the application fixes what you are allowed to push back onto the network. If the local network is tight, limiting export rarely breaks the case here: most of the generation is consumed on site while the building is working.
Across East Riding of Yorkshire the planning database records 86 solar schemes totalling 1439 MW, of which 2 are operational (REPD Q1 2026).
Book a roof survey at your Hessle school
We survey school and college roofs throughout East Riding of Yorkshire. We need the postcode, a rough roof area and your half hourly meter data if the trust has it. From that we model what the roof carries, what it generates against the timetable, and which of the funding routes actually suits a school of your size.
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.
Hessle school solar, answered
- What would a 320 kWp array produce at a Hessle school?
- Yes, and the figure matters more than the sunshine. 868 kWh per kWp a year puts a 320 kWp array at around 277,800 kWh, on roughly 950 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 Hessle?
- Less is wasted than governors expect, but the figure is worth seeing: 26 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 Northern Powergrid.
- Who do we apply to for export near Hessle?
- Only Northern Powergrid 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 Kingston upon Hull, City of?
- 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 Kingston upon Hull, City of. We confirm it either way.
- How many schools are there around Hessle?
- East Riding of Yorkshire has 150 open state-funded schools and colleges on the DfE register, with 44,348 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.