Thursday, 09 February 2012

Clever, that

Soon every home in the UK with have a smartmeter - a brainy little piece of technology aimed at saving energy and cash. Philippa Ward says landlords should prepare for the change

In October last year, the government announced that every household in the UK will have a smartmeter by 2020. These clever devices, about the size of a smoke alarm, help residents save money by displaying their energy consumption and how much it is costing them.

Although energy companies are likely to fit the meters, social landlords will need to be prepared: the change is equivalent to the leap from analogue to digital television.

The days of the gas man coming round to check the meter will be over - the necessary information will beam remotely to energy providers via a wireless network.

This could have one immediate result for tenants who have a pre-pay meter fitted in their houses, which means they pay more for their energy.

he new meters will mean that the switch to a credit meter can be done remotely, without having to physically change the meter, making it much easier to transfer from an expensive tariff to a cheaper one.

Smartmeters can also ‘speak’ to appliances around the home, telling them to switch on during times of low (and cheaper) energy demand.

ashing machines could come on during the day, or mobile phones start charging in the middle of the night.

The pressure’s off

Other possibilities include sending information to the household’s TV or internet service, or sounding an alarm which alerts the user to certain electricity consumption levels.

The government also hopes the smartmeter roll-out will relieve pressure on power stations by spreading the electricity demand of the peak 6pm to 8pm slot, when most people come home from work, put the kettle and the TV on.

Residents who are at home during the day will benefit from being able to use cheaper daytime energy. They may also be living in environmentally-friendly houses built to the code for sustainable homes, which can generate their own electricity via solar panels or ground-source heat pumps.

If so, smartmeters will help measure the amount of electricity they are generating and decide when to feed into the grid and when to use it for themselves.

Finally, there is the hope that consumers will curb their energy use if they can see what it costs them by the minute: that will be displayed in pounds and pence on the smartmeters. It could help lift thousands of households out of fuel poverty: a Places for People pilot resulted in an average 13 per cent bill reduction

Sounds good - so how will the change be implemented?

Energy regulator Ofgem is co-ordinating a huge pilot - the energy demand research project - run by the electricity companies.

‘The energy companies have been given a mandate to go and fit them in people’s homes, which is the replacement of 40 million devices across the country,’ says a spokesperson for Ofgem. ‘It needs to be done in the most cost effective way possible.’

EDF Energy, E.ON, Scottish Power and Scottish and Southern Energy have £10 million from the government to trial the technology.

‘[We] firmly believe that smartmetering can play a vital role in helping to deliver the government’s energy efficiency and carbon reduction targets for 2020, as well as giving domestic customers with consumption data that will assist them in adopting energy efficient behaviours,’ says Rajan Lakhani, a spokesperson for EDF Energy, which is trialling up to 3,000 smartmeters.

The trials began in late 2007 and final reporting is expected in autumn 2010. Smartmeters have been installed in around 18,000 houses and real-time display devices in about 8,000 homes - the remaining 24,000 are in ‘control’ houses where nothing is done, or where community engagement, energy efficiency and clearer billing information are trialled.

‘We’re here to collate the results and we want to see whether it will change people’s behaviour,’ says the Ofgem spokesperson.

Interim results reveal consumers are pleased with getting more information on their energy consumption, although no significant changes in usage have been recorded - apparently not surprising in these early stages due to insufficient data and time for consumers’ to change habits.

Customer engagement and advice on energy reduction have already proved particularly important in making the most of the technology - which is why social landlords are likely to be an important part of the puzzle.

Smart choice

The benefits

  • Frequent data on energy consumption (gas and electricity)
  • Data on time of energy use
  • Differential tariffs based on time of use
  • Greater controls over peak demand
  • Supplier can communicate with consumer, for example sending energy saving messages
  • Accurate and timely billing
  • One set of metering for households generating their own renewable energy
  • Improved security of supply
  • Ability to switch between credit and pre-payment functions

Source: Energy Saving Trust

Projected annual saving if every UK household had a smartmeter…..

£1.2bn

…..and

7.4m

tonnes of carbon dioxide emissions

What is a smartmeter?

Smartmeters are the new generation of gas and electricity meters that can pass real-time information directly to the energy company.

They give real-time readings on energy consumption to consumers, in pounds and pence.

They can measure how much energy local renewable energy sources, such as solar panels, are generating.

They can speak to household appliances, such as washing machines, telling them when to turn on or off.

Ahead of the game

Places for People

Before the government announced its intention to trial smartmeters, a handful of housing associations were already seeing how the gadgets could help customers. Places for People installed 50 Electrisave smartmeters at Broughton Atterbury in Milton Keynes in January 2006.

Broughton resident Jodie East, who had a meter fitted, says: ‘I was shocked to see how much simple things like turning on a kettle or leaving the lights on overnight actually costs. It has definitely made me think about how I can be greener, and help save myself money.’

The smartmeters helped residents cut between 13 and 15 per cent from their electricity bills, while reducing their carbon dioxide emissions by
233kg per year. That equates to a saving of between £60 to £80 per household per year.

Trials in other countries - how much energy was saved

Canada 12%

Northern Ireland 3 to 10%

Sweden 20%

USA 3 to 27%

Source: Energy Saving Trust

 

 

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