Code Energy Display Devices

The Code for Sustainable Homes November 2010 has a new section, which awards credits for correctly Specifed Energy Display Devices.

Definitions
Correctly Specified Energy Display Device
This is a system comprising a self-charging sensor(s) fxed to the incoming mains 
supply/supplies, to measure and transmit energy consumption data to a visual 
display unit. As a minimum the visual display unit must be capable of displaying the 
following information:

• Local time
• Current mains energy consumption (kilowatts and kilowatt hours)
• Current emissions (g/kg CO2) 
• Current tariff 
• Current cost (in pounds and pence). For pre-payment customers this should be ‘real time’ data and for ‘credit’ paying customers cost should be displayed on a monthly basis
• Display accurate account balance information (amount in credit or debit)
• Visual presentation of data (i.e. non-numeric) to allow consumers to easily identify high and low level of usage
• Historical consumption data so that consumers can compare their current and previous usage in a meaningful way. This should include cumulative consumption data in any of the following forms day/week/month/billing period.