The National Home Energy Rating Scheme (NHER) is both a UK accreditation scheme for energy assessors and a rating scale for the energy efficiency of housing.
The NHER was owned and operated National Energy Services (NES). Until 2011, NES was a trading subsidiary of the National Energy Foundation, an independent charity set up in 1988 to promote energy conservation and renewable energy, which launched the NHER scheme in 1991. In September 2016, NES transferred ownership of the NHER Scheme to Elmhurst Energy another independent accreditation scheme.
The NHER runs an accreditation scheme for energy assessors to produce the following:
The NHER scale for new build dwellings runs from 0 to 20, with 20 being best. It uses different criteria than the Standard Assessment Procedure (SAP) rating. The NHER rating takes into account the local environment and the effect it has on the building's energy rating. The NHER calculates the costs of space and water heating, but adds cooking, lights and appliances to give a comprehensive picture of energy usage in the home.
An average dwelling in England would currently score between 4.5 and 5.5 on the NHER scale. A gas-heated masonry semi meeting current United Kingdom Part L1 Building Regulations would score approximately NHER 10. A dwelling with NHER rating 20 achieves zero CO2 emissions along with zero net running costs.
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Energy rating may refer to:
Energy rating label, an appliance energy efficiency rating used in Australia and New Zealand
European Union energy label, an appliance energy efficiency rating used in Europe
EnergyGuide, an appliance energy efficiency rating used in the United States
EnerGuide, labeling and rating of the energy consumption or energy efficiency of specific products used in Canada
Building energy rating
Energy efficiency rating, a score applied to dwellings in the Australian Capital Territory
House Energy Rating, a building's thermal performance for residential homes in Australia
Home energy rating, a measurement of a home’s energy efficiency, used primarily in the United States
National Home Energy Rating, an accreditation scheme for energy assessors and a rating scale for the energy efficiency of housing in the United KingdomExpro
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Home energy ratings can be used for either existing homes or new homes. A home energy rating of an existing home allows a homeowner to receive a report listing options for upgrading a home's energy efficiency. The homeowners may then use the report to determine the most effective ways in which to upgrade the home's energy efficiency. A home energy rating of a new home allows buyers to compare the energy efficiency of homes they are considering buying.List of low-energy building techniques
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Opus Energy Limited supplies gas and electricity to businesses across the United Kingdom. It purchases electricity from wind, solar, hydro, and anaerobic digestion generators, and provides support to develop energy-generating sites. It is headquartered in Northampton, United Kingdom with an additional office in Oxford.Regal Petroleum
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The Standard Assessment Procedure (SAP) is the UK government's recommended method system for measuring the energy rating of residential dwellings. The first version was published in 1995, and was replaced by newer versions in 1998, 2001, 2005, 2009 and 2012. It calculates the typical annual energy costs for space and water heating, and, from 2005, lighting. The CO2 emissions are also calculated. The SAP runs from 1 to 100+, with dwellings that have SAP>100 being net exporters of energy.SAP 2012 has been used as the basis for checking new dwellings for compliance with building regulations in the United Kingdom requiring the conservation of fuel and power since 6 April 2014 in England or 31 July 2014 in Wales.
A reduced data version of SAP, RDSAP, is used for existing dwellings. SAP or RDSAP was used to produce the energy report and Energy Performance Certificate in Home Information Packs (HIPs). A document was published by the UK government in 2007, looking towards SAP and energy standards in the future.A number of comparisons have indicated that SAP does not provide an accurate model for low-energy buildings.The Standard Assessment Procedure evolved from the National Home Energy Rating scheme, which was based upon the Milton Keynes Energy Cost Index created for the Energy World demonstration buildings in the 1980s.Sunbury Research Centre
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In 2014 UK Power Networks was awarded £25 million from the electricity regulator Ofgem's Low Carbon Networks Fund for the Low Carbon London project. In 2011 it was awarded £6.7 million by Ofgem for another project, Flexible Plug and Play, which is researching new ways, technical and commercial, to connect renewable energy to the distribution network in Cambridgeshire.
As well as the three distribution arms UK Power Networks also operates UK Power Networks Services Holdings Limited, which develops and maintains electrical networks for clients including London Underground, Heathrow and Stansted airports, Docklands Light Railway and Canary Wharf.WesternGeco
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Western Power Distribution is a subsidiary of the American utility corporation PPL.
It should not be confused with WPD, a wind farm company in north-western Europe, or Western Power Corporation, an electricity distributor in Australia.