| Part of your school | Lamp types | Wattage of each type | Running cost per hour (pence) | Number of each type | Cost per hour for each type of lamp | Total cost for the room per hour |
| . | Filament | . | . | . | . | £ |
| . | Strip | . | . | . | . | £ |
| . | CFL | . | . | . | . | £ |
| . | Filament | . | . | . | . | £ |
| . | Strip | . | . | . | . | £ |
| . | CFL | . | . | . | . | £ |
| . | Filament | . | . | . | . | £ |
| . | Strip | . | . | . | . | £ |
| . | CFL | . | . | . | . | £ |
| . | Filament | . | . | . | . | £ |
| . | Strip | . | . | . | . | £ |
| . | CFL | . | . | . | . | £ |
| . | Filament | . | . | . | . | £ |
| . | Strip | . | . | . | . | £ |
| . | CFL | . | . | . | . | £ |
| . | Filament | . | . | . | . | £ |
| . | Strip | . | . | . | . | £ |
| . | CFL | . | . | . | . | £ |
| . | Filament | . | . | . | . | £ |
| . | Strip | . | . | . | . | £ |
| . | CFL | . | . | . | . | £ |
| . | Filament | . | . | . | . | £ |
| . | Strip | . | . | . | . | £ |
| . | CFL | . | . | . | . | £ |
| . | Filament | . | . | . | . | £ |
| . | Strip | . | . | . | . | £ |
| . | CFL | . | . | . | . | £ |
| . | Filament | . | . | . | . | £ |
| . | Strip | . | . | . | . | £ |
| . | CFL | . | . | . | . | £ |