Why has this guidance been provided?

What changes have been implemented?

The Structure of Generic LED Lighting Charge Codes

How do I know if the manufacturer has applied to use the Generic LED Charge Codes for my LED Lighting product?

What is the difference between Dimming and ‘Reduced Operation’?

How do I apply for a Variable Power Switch Regime?

How is dimming of LED Lighting accommodated using the Generic LED Charge Codes?

How do you realise the benefits of dimming in your electricity bills?

Half Hourly traded MPANs

Non Half Hourly traded MPANs

UMS Operational Switch Regime spreadsheet extract

How do you submit the information in your inventory to the LDSO?

Where can I get more information?