Specialist solar panels for schools in Southport
What decides a solar scheme at a Southport 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.
877 kWh per kWp a year at this latitude, so a 290 kWp array, the size applied for at the nearest school scheme on record, models at about 254,300 kWh. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.
Book a roof survey in Southport- 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 Southport models at 877 kWh a year, from modelled irradiation of 1,115 kWh per square metre in the plane of the array (EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss). Against a mean of 886 kWh per kWp across the towns we cover, Southport is unremarkable, which is the useful finding: the scheme will be decided by the load curve, not the map.
Scaled up, a 290 kWp array, sized to what the nearest school scheme on record applied for, 15 miles away at Chorley, models at about 254,300 kWh a year before shading, and needs roughly 861 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 65,900 kWh landing in July and August and roughly 10,200 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.
Southport ranks 1 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 PR8
There is no school entry for the PR8 postcode district in the Renewable Energy Planning Database. The register is dependable for anything from a megawatt upward and incomplete below it, and a school array is usually nearer a fifth of a megawatt, so this says more about the threshold than about Southport.
Look 15 miles out and there is one: Parklands High School, Southport Road - Solar Photovoltaic Panels in Chorley, 290 kWp, applied for by Parklands High School, 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 Southport generation curve
A Southport school roof generates most in the weeks its buildings are closed. 25.9 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 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 7.9 times as much in May as it does in December, and August alone outproduces December by about 6.6 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 Southport as anywhere else.
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 Southport school is largely empty, so the hours that look best on a generation chart are the worst on a consumption one.
The conclusion is not that a Southport 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 complete version of the term time arithmetic 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 | 19 | 12 | 7 |
| Feb | 15 | 39 | 21 | 18 |
| Mar | 21 | 73 | 49 | 24 |
| Apr | 12 | 106 | 42 | 64 |
| May | 17 | 126 | 69 | 57 |
| Jun | 21 | 122 | 85 | 37 |
| Jul | 11 | 122 | 43 | 79 |
| Aug | 0 | 105 | 0 | 105 |
| Sep | 20 | 78 | 52 | 26 |
| Oct | 17 | 46 | 25 | 21 |
| Nov | 21 | 25 | 18 | 8 |
| Dec | 15 | 16 | 8 | 8 |
| Year | 190 | 877 | 424 | 453 |
Sefton schools, phase by phase
Sefton has 102 open state-funded schools and colleges on the DfE register teaching 39,791 pupils between them. Source: DfE Get Information About Schools.
The split is 77 primary, 18 secondary, 5 special and 2 further education, at an average of 390 pupils a site. A ratio of 4.3 to one tells you where the roof area is. It is not with the 77 primaries, which mostly offer a hall and a teaching block each, but with the larger sites that were built with a sports hall and a dining block attached.
Where a multi-academy trust holds several of those sites, surveying the estate in one pass beats taking a roof at a time. The design work, the connection applications and the procurement paperwork are the same job repeated, and a trust that runs them together gets a better answer on all three.
Grid connection through SP Energy Networks
SP Energy Networks 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 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 Southport school
A survey in Southport 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 Southport 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.
Southport school solar, answered
- Is there enough sun around Southport for this to be worth doing?
- The model gives 877 kWh a year for every kWp installed at this latitude, so a 290 kWp array comes out at roughly 254,300 kWh a year before shading. It needs about 861 square metres of clear roof once walkways and rooflight setbacks are allowed for. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.
- Does a Southport school waste its generation in August?
- 25.9 percent of the modelled annual output for Southport falls in July and August, when the buildings are closed for most of six weeks (EU PVGIS v5.2). It does not go to waste, but it only has three places to go: the base load that runs regardless, such as servers, catering refrigeration and ventilation; storage; or export under an agreement with SP Energy Networks. We model all three against your half hourly data before an array is sized.
- Will the network around Southport accept the export?
- SP Energy Networks is the distribution network operator for Merseyside. Anything above 3.68 kW per phase connects under G99, and the application fixes the export limit. On a school site the incoming supply is often the binding constraint rather than the roof, so we ask that question before anyone sizes an array.
- Is planning permission needed for panels on a school in Southport?
- Usually permitted development covers a roof array on a school, with prior approval from West Lancashire needed above a capacity threshold. A ground mounted array in the grounds is a different question and much more likely to need a full application. We check both before design sign-off.
- How many schools are there around Southport?
- Sefton has 102 open state-funded schools and colleges on the DfE register, with 39,791 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.