Is there enough sun around Bedford for this to be worth doing?

The model gives 900 kWh a year for every kWp installed at this latitude, so a 210 kWp array comes out at roughly 189,000 kWh a year before shading. It needs about 624 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 Bedford school waste its generation in August?

25.6 percent of the modelled annual output for Bedford 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 UK Power Networks. We model all three against your half hourly data before an array is sized.

Will the network around Bedford accept the export?

UK Power Networks is the distribution network operator for Bedfordshire. 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 Bedford?

Usually permitted development covers a roof array on a school, with prior approval from Bedford 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.

Has a school near MK40 already done this?

One school scheme is on record in this postcode district, including a 210 kWp array at Bedford School, De Parys Avenue that is with the planning authority. We were not involved in it. It is a public planning record, and it matters less as proof that solar works than as evidence of what this authority and this network operator have already accepted. Source: Renewable Energy Planning Database, Q1 2026.

How many schools are there around Bedford?

Bedford has 76 open state-funded schools and colleges on the DfE register, with 30,317 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.

Specialist solar panels for schools in Bedford

A 210 kWp array at Bedford School, De Parys Avenue is the nearest school scheme on the planning record, and it is with the planning authority. The survey records sheet type, remaining life, purlin spacing and the state of the incoming supply, and the model runs off your own meter data rather than an average.

189,000 kWh a year, modelled for a 210 kWp array on roughly 624 sqm of clear roof. That is the median size schools around Bedford have applied for. Source: EU PVGIS v5.2, SARAH3, 10 degree pitch, 14 percent system loss.

Book a roof survey in Bedford

1 teaching block
2 hall and kitchen
3 sports hall
4 1960s block, no array
first phase
later phase

Drawing Illustrative estate, not a Bedford school

Blocks 4, 3 with array

Array about 345 kWp

Yield about 311,000 kWh/yr

Frontage about 90 m / Rev A / MK40

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.

Bedford / Bedfordshire

A school on the edge of an eastern commuter town, solar arrays on its roofs and wooded low hills beyond — School buildings of the kind we survey across East of England. Not a named school and not our work.

School solar consented near Bedford

The Renewable Energy Planning Database records 1 school and college solar scheme in the MK40 postcode district. Bedford School, De Parys Avenue is down for a 210 kWp roof mounted array and the application is with the planning authority. The applicant on record is Bedford School.

Those are other organisations' planning applications, not our projects. We list them because a scheme a few miles away tells you what this local authority and this network operator have already accepted for a building very like yours. Source: Renewable Energy Planning Database, Q1 2026.

The plan above the fold is a generic four block estate, drawn to make the scale and the phasing legible. Nobody should read it as Bedford School, De Parys Avenue or as any other Bedford site. Our knowledge of these applications comes entirely from the public record.

The median array applied for here is 210 kWp. At 210 kWp you are covering roughly 624 square metres of roof once walkways, edge zones and rooflight setbacks come out, which on most sites means a sports hall plus one teaching block rather than the whole estate.

Site on record	Applicant on record	Size	Mounting	Status
Bedford School, De Parys Avenue	Bedford School	210 kWp	Roof	Application Submitted

Solar PV for academy trusts across Bedfordshire

A one kilowatt-peak array on a shallow pitched roof in Bedford models at 900 kWh a year, from modelled irradiation of 1,153 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, Bedford is unremarkable, which is the useful finding: the scheme will be decided by the load curve, not the map.

Scaled up, a 210 kWp array, sized to the median array applied for at schools around Bedford itself, models at about 189,000 kWh a year before shading, and needs roughly 624 square metres of clear roof. That size is not one we chose. It is what schools in this district have actually applied for.

Spread across the year that is about 48,400 kWh landing in July and August and roughly 9,800 kWh across December and January. UK Power 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.

FIG. 1 Bedford against the rest of Bedfordshire

Biggleswade902
Sandy902
Bedford900
Luton899
Flitwick899
Dunstable893
Leighton Buzzard892

Bedford ranks 3 of 7 towns we cover in Bedfordshire on modelled yield, against a national mean of 886 kWh per kWp. The county runs from 892 to 902, a spread of 10 kWh per kWp. Within Bedfordshire that difference is small enough to ignore: where the building sits is not what decides this scheme, your consumption pattern is.

Bars are zero based, so length is proportional to the figure. Where a county is flat, that is the finding: latitude is not the lever, the timetable is. Source: EU PVGIS v5.2, modelled per town

Why demand in Bedford falls as the roof peaks

The generating year and the school year are out of step in Bedford. July and August carry 25.6 percent of the modelled output (EU PVGIS v5.2), and the site is closed for most of those nine weeks. July is the single strongest month here at 13.9 percent of the annual total, and it falls almost entirely inside the holiday.

At the other end of the year the mismatch flips. Only 5.2 percent of output falls in December and January, the two months when a Bedford school is fully occupied and its heating and lighting are at their heaviest. The roof makes 5.7 times as much in July as it does in December, and August alone outproduces December by about 4.8 to one. 73 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 Bedford 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 Bedford 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 UK Power 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.

FIG. 2 A Bedford roof against the English school year

generated while the school is open
generated at a weekend or in the holidays

The same figures as a table

Monthly output for a 1 kWp array in Bedford, split by whether the day is a school session day. Across the year 49 percent of generation lands while the school is open.
Month	Session days	Output, kWh per kWp	School open	School closed
Jan	20	25	16	9
Feb	15	39	21	18
Mar	21	73	49	24
Apr	12	103	41	62
May	17	120	66	54
Jun	21	123	86	37
Jul	11	125	44	81
Aug	0	106	0	106
Sep	20	82	55	27
Oct	17	52	29	23
Nov	21	31	22	9
Dec	15	22	11	11
Year	190	901	440	461

Per kWp installed, month by month, separating generation while the school is open from generation at a weekend or in the holidays. 73 percent of the Bedford year sits between April and September, most of which is term time; it is the tail of that period, the last week of July and all of August, that the school is not there for. The daily split is a flat apportionment of each month, not a metered one. Session days follow a typical English school year of 190 days. Your own trust or authority may differ by a few days either way. Source: EU PVGIS v5.2, session days from a typical school calendar

The school estate in Bedford

Bedford has 76 open state-funded schools and colleges on the DfE register teaching 30,317 pupils between them. Source: DfE Get Information About Schools.

The split is 56 primary, 14 secondary, 4 special and 2 further education, at an average of 399 pupils a site. At 4 primaries to every secondary, most of the buildings here are small. That is not a reason to skip them, but it does mean the usable area on a primary is a hall roof and a teaching block rather than an estate.

For a trust with more than one site in Bedford, the first survey is worth running across the whole estate. It tells you which roofs are near the end of their covering life, which have the switchboard headroom, and therefore which one should carry the first array.

Aerial view of a school site with teaching blocks of several different ages, a sports hall and a playing field, solar arrays on two of the flat roofs — A school site with blocks of several ages, which is the usual starting point for a trust estate survey.

Grid connection through UK Power Networks

UK Power 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 Bedfordshire the planning database records 89 solar schemes totalling 837 MW, of which 16 are operational (REPD Q1 2026).

Book the survey

Send us the school postcode

Roof condition decides the order of works on most school estates, so that is where we start. Send us the postcode and a rough roof area, with twelve months of half hourly readings if you have them, and we come back with usable area, modelled output against your own load, and the funding routes.

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.

What Bedford trusts ask before a survey

Is there enough sun around Bedford for this to be worth doing?: The model gives 900 kWh a year for every kWp installed at this latitude, so a 210 kWp array comes out at roughly 189,000 kWh a year before shading. It needs about 624 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 Bedford school waste its generation in August?: 25.6 percent of the modelled annual output for Bedford 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 UK Power Networks. We model all three against your half hourly data before an array is sized.
Will the network around Bedford accept the export?: UK Power Networks is the distribution network operator for Bedfordshire. 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 Bedford?: Usually permitted development covers a roof array on a school, with prior approval from Bedford 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.
Has a school near MK40 already done this?: One school scheme is on record in this postcode district, including a 210 kWp array at Bedford School, De Parys Avenue that is with the planning authority. We were not involved in it. It is a public planning record, and it matters less as proof that solar works than as evidence of what this authority and this network operator have already accepted. Source: Renewable Energy Planning Database, Q1 2026.
How many schools are there around Bedford?: Bedford has 76 open state-funded schools and colleges on the DfE register, with 30,317 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.

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