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Explore the latest energy data, review recent energy use alerts and see the latest activities at these schools.

Harris Federation

35 schools
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Multi-Academy Trust

Recent energy use

  • Electricity
  • Gas
Download as CSV
School Start date End date Last week Last month Last year
Harris Academy and Primary Academy Chafford Hundred 13 May 2021 15 Jun 2026 -3.9% -7.2% +23%
Harris Academy Battersea 27 May 2021 15 Jun 2026 +1.8% +34% +7.5%
Harris Academy Beckenham 29 Apr 2021 15 Jun 2026 +1.3% -14% -6.5%
Harris Academy Bermondsey 1 Apr 2021 15 Jun 2026 -1.5% +1.3% -9.2%
Harris Academy Chobham 1 Apr 2021 15 Jun 2026 -6.4% -4.7% -7.8%
Harris Academy Clapham 29 Apr 2021 15 Jun 2026 -2.7% -4.1% +9.8%
Harris Academy Falconwood 23 May 2021 15 Jun 2026 +4.0% -14% -5.0%
Harris Academy Greenwich 27 May 2022 15 Sep 2025 - - +12%
Harris Academy Merton 23 May 2021 15 Jun 2026 -4.0% -4.8% -4.7%
Harris Academy Ockendon 13 May 2021 15 Jun 2026 -14% +9.1% -9.9%
Harris Academy Orpington 1 Apr 2021 15 Jun 2026 -0.6% +2.3% +0.4%
Harris Academy Peckham 1 Apr 2021 15 Jun 2026 -4.3% -2.4% +4.7%
Harris Academy Purley 1 Apr 2021 15 Jun 2026 -1.2% -4.0% -12%
Harris Academy Rainham 19 Jan 2024 15 Jun 2026 +2.0% +14% -2.7%
Harris Academy Riverside 1 Apr 2021 15 Jun 2026 +1.4% -1.1% +0.2%
Harris Academy South Norwood - Beulah Hill Campus 1 Apr 2021 15 Jun 2026 -2.8% +33% +21%
Harris Academy South Norwood - Clocktower Campus 1 Apr 2021 15 Jun 2026 -1.9% -4.1% +9.6%
Harris Academy St John's Wood 1 Apr 2021 15 Jun 2026 -1.0% -17% -6.4%
Harris Academy Sutton 24 Aug 2022 15 Jun 2026 +0.4% -0.9% +4.4%
Harris Academy Tottenham 29 Apr 2021 15 Jun 2026 -1.9% -2.5% -3.8%
Harris Academy Wimbledon 29 Apr 2021 15 Jun 2026 -4.5% +2.4% -1.4%
Harris Boys Academy East Dulwich 1 Apr 2021 15 Jun 2026 +4.2% -14% +30%
Harris City Academy Crystal Palace 1 Apr 2021 15 Jun 2026 -4.2% +6.6% -10%
Harris Clapham Sixth Form 23 Aug 2022 26 Aug 2025 - - +3.1%
Harris Garrard Academy 29 Apr 2021 15 Jun 2026 +1.5% +27% +1.1%
Harris Girls Academy Bromley 1 Apr 2021 15 Jun 2026 -6.9% -3.6% -2.2%
Harris Invictus Academy Croydon 1 Apr 2021 15 Jun 2026 -8.3% +0.1% +1.9%
Harris Junior Academy Carshalton 1 Apr 2021 15 Jun 2026 -1.7% +0.8% +4.4%
Harris Primary Academy Beckenham Green 1 Apr 2021 15 Jun 2026 +2.0% -2.5% -7.2%
Harris Primary Academy Haling Park 1 Apr 2021 15 Jun 2026 -3.6% +13% -1.2%
Harris Primary Academy Merton 19 Jun 2025 17 Sep 2025 - - -
Harris Primary Academy Peckham Park 1 Apr 2021 15 Jun 2026 -0.8% -20% -10%
Harris Primary Academy South Kenton 18 Sep 2018 14 Jun 2026 +3.0% +13% -5.3%
Harris Westminster Sixth Form 1 Apr 2021 15 Jun 2026 -11% -20% -0.5%
Download as CSV
School Start date End date Last week Last month Last year
Harris Academy and Primary Academy Chafford Hundred 4 Jan 2024 13 Jun 2026 +6.1% -44% -4.3%
Harris Academy Battersea 26 Jan 2026 14 Jun 2026 +1.2% n/a -
Harris Academy Beckenham 18 Sep 2025 11 Jun 2026 +19% n/a -
Harris Academy Bermondsey 4 Jan 2024 12 Jun 2026 +128% +290% -28%
Harris Academy Chobham 23 Jan 2024 13 Jun 2026 +69% -52% -40%
Harris Academy Clapham 4 Jan 2024 13 Jun 2026 +50% +26% +8.3%
Harris Academy Falconwood 4 Jan 2024 12 Jun 2026 +66% -38% -28%
Harris Academy Greenwich 17 Feb 2024 13 Jun 2026 +7.6% +28% +3.9%
Harris Academy Merton 11 Apr 2024 12 Jun 2026 -16% +121% -13%
Harris Academy Ockendon 23 Jan 2024 13 Jun 2026 +9.3% +3.6% -26%
Harris Academy Orpington 7 Feb 2024 12 Jun 2026 +52% +180% +67%
Harris Academy Peckham 24 Jul 2024 8 Jun 2026 +22% +55% n/a
Harris Academy Purley 4 Jan 2024 13 Jun 2026 +1.6% -25% -2.6%
Harris Academy Rainham 4 Jan 2024 12 Jun 2026 -86% +170,000% +2,100%
Harris Academy South Norwood - Clocktower Campus 4 Jan 2024 12 Jun 2026 +410% -43% -1.8%
Harris Academy St John's Wood 4 Jan 2024 11 Jun 2026 +57% +4.7% -9.7%
Harris Academy Tottenham 23 Jan 2024 12 Jun 2026 +97% +101% +7.3%
Harris City Academy Crystal Palace 27 Oct 2023 14 Jun 2026 +41% +20% -13%
Harris Clapham Sixth Form 23 Feb 2024 13 Jun 2026 +23% +32% -17%
Harris Garrard Academy 17 Feb 2024 13 Jun 2026 -0.9% +640% +4.7%
Harris Invictus Academy Croydon 28 Oct 2023 12 Oct 2025 - - n/a
Harris Junior Academy Carshalton 23 Jan 2024 13 Jun 2026 +5.8% +16% -5.9%
Harris Primary Academy Beckenham Green 4 Jan 2024 12 Jun 2026 +10,000% -48% -7.9%
Harris Primary Academy Haling Park 8 Mar 2024 13 Jun 2026 +63% -5.6% -20%
Harris Primary Academy Merton 23 Jan 2024 12 Jun 2026 +129% +360% +21%
Harris Primary Academy Peckham Park 21 May 2024 20 May 2026 - +1,400,000% +77,000%
Harris Primary Academy South Kenton 30 Sep 2023 14 Jun 2026 -26% +146% -1.7%
How did we calculate these figures?

How have we analysed your data?

This table summarises recent use based on the latest available data for each school.

"Last week" reports on the latest full week of data. Change in use is measured against the previous week.

"Last month" reports on the last full calendar month of data. Change in use is measured against the same month last year.

"Last year" reports on the last 12 months of data (365 days) for the school. Change in use is measured against previous 12 months period. This is a rolling 12 month period rather than calendar or academic years.

A dash ("-") indicates that we do not have enough recent data to report on that period.

"n/a" indicates that we don't have enough historical data in order to do a comparison.

School characteristics

Our analysis takes into account a range of characteristics for each school, including its floor area, location, pupil numbers and type.

Cost calculations

Consumption costs are calculated based on the unit prices of energy and do not take into account standing charges or other fees.

Tariffs may be based on MAT or Local Authority averages, or an Energy Sparks default, if your school has not provided their actual tariffs.

Consumption costs are estimated based on historic tariff information.

Future savings are estimates based on your school's latest tariff information.

Potential cost savings quoted in school comparisons, e.g. for comparable "well managed" and "exemplar" schools are also based on your school's current tariffs.

School comparisons

Comparisons are based on benchmarking a school against a comparable school based on the characteristics outlined above.

"Exemplar" schools represent the top 17.5% of Energy Sparks schools

"Well managed" schools represent the top 30% of Energy Sparks schools

Potential savings are based on a school reducing its usage to match those of an Exemplar school with similar characteristics.

View schools in this group

Select a school to explore it's latest energy data, energy use alerts and scoreboard activity

Learn about this group's energy use

Click through to view an overview of your group’s energy data along with detailed analysis on baseload, long term trends and out of hours use
Explore energy data

Reduce your peak electricity consumption

Take action in 17 schools to decrease your electricity costs over the next year by £409,600.

This is just one example of the potential savings we have identified across schools in this group

View all potential savings

Recent alerts

View more alerts
Last holiday, gas use in 10 schools in this group increased compared to the same holiday last year. Adjusting for changes in outside temperature, this cost £3,500,000 more than last year.

Find out more

Last week, the electricity baseload decreased at 18 schools in this group compared to the average over last year. If baseloads stay this low, it will save £190,000 and 89,000 kg CO2 each year.

Find out more

Scoreboard update

Schools complete our recommended activities and actions to score points, win prizes and start reducing their energy usage.

A coordinated programme can help engage schools across the group.

View scoreboard

Your highest scoring school holds 73rd place nationally.

2nd

250

points

2nd

250

points

1st

580

points

Harris Westminster Sixth Form
Harris Academy Wimbledon
Harris Primary Academy Haling Park

What's been happening at these schools?

A list of recent pupil and adult-lead activities recorded by schools in this group

All activities

Date School Points Activity
01 Jun 2026 Harris Primary Academy Merton 10 Adjusted radiator thermostats
13 May 2026 Harris Academy Wimbledon 30 Pupils talk to the school caretaker about improving heating controls
12 May 2026 Harris Academy Wimbledon 30 Pupils and staff set an energy reduction target
12 May 2026 Harris Academy Wimbledon 30 Analyse your school energy use - when is your school occupied?
28 Apr 2026 Harris Academy Wimbledon 30 Installed lights with occupancy sensors
23 Apr 2026 Harris Primary Academy Haling Park 15 Monitor whether electrical appliances and lights are left on or on standby after school.
22 Apr 2026 Harris Primary Academy Haling Park 35 Analyse a school's solar data
22 Apr 2026 Harris Primary Academy Haling Park 15 Carry out wider environmental activities around school
22 Apr 2026 Harris Primary Academy Haling Park 15 Carry out a spot check to see if lights or electrical items are left on at lunch time
22 Apr 2026 Harris Primary Academy Haling Park 35 My impact on the environment
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