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News
FIT FAQ
June 2012: Confused by all the recent changes to the Government’s FIT programme? Here’s a FAQ document DECC have just posted online which goes some way to help explain…
Heat Maps produced for every London borough
June 2012: The London Heat Map project has now posted online heat map reports and datasets for every London borough. Information provided sets out that “The new heat maps are higher resolution with real heat consumption data for priority buildings such as hospitals, leisure centres and local authority buildings. As part of this work, each of the boroughs has developed implementation plans to help them take the decentralised energy opportunities identified to the next stages. The implementation plans include barriers and opportunities, actions to be taken by the council, key dates, personnel responsible.”
Posted in Data Store, News
Tagged CHP, Community Heating, Data, Heat Maps, London Heat Map
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Map of London District Heating Schemes
June 2012: The London Heat Map captures a lot of the data related to Combined Heat and Power (CHP) and district heating schemes operating in the capital, but the CHPA have added a welcome web resource – a map of UK district heating schemes which includes a good number of London schemes. DECC also provides a list of CHP schemes operating in London – it’s not comprehensive however as operators are not required to have their details listed. Hence, only 32 schemes are listed on the DECC Public CHP database of the 188 schemes DECC state are operating in London in their latest regional CHP statistics.
Posted in Data Store, News
Tagged CHP, Community Heating, Data, Decentralised Energy
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Climate Change Mitigation and Energy Strategy Model Data
June 2012: The London Datastore has recently posted a spreadsheet containing the data behind the Mayor’s climate change mitigation and energy strategy, which was published in October 2011. This is particularly useful as the strategy provided graphical projections of the predicted savings of the Mayor’s various carbon-reduction programmes, but not ‘hard numbers’. Tab 6b of the spreadsheet sets these out, and some of the key programmes are summarised below:
Emissions Savings [MtCO2/yr] of committed Mayoral actions:
2010 | 2011 | 2012 | 2013 | 2014 | |
RE:NEW | 0.0103 | 0.0207 | 0.0310 | 0.2300 | 0.4290 |
Low Carbon Zones | 0.0009 | 0.0036 | 0.0061 | 0.0061 | 0.0061 |
New Build through planning (domestic) | 0.1501 | 0.1501 | 0.1501 | 0.0869 | 0.0869 |
RE:FIT | 0.0012 | 0.0061 | 0.0133 | 0.0217 | 0.0303 |
Better Buildings Partnership | 0.0000 | 0.0050 | 0.0050 | 0.0050 | 0.0050 |
ERDF* | 0.0053 | 0.0089 | 0.0089 | 0.0089 | 0.0089 |
LDA Energy Efficiency Revolving Fund | 0.0000 | 0.0000 | 0.0004 | 0.0004 | 0.0004 |
New Build through Planning (non-domestic) | 0.2042 | 0.2042 | 0.2042 | 0.1182 | 0.1182 |
*ERDF refers to the funding received by London government through the European Regional Development Fund, which helps fund – amongst other things – the London Green Fund. Further information here.
The Mayor has not as yet reported on savings achieved by his programmes (ie for the years 2010/11 and 2011/12) but Chapter 10 of the Mayor’s energy strategy sets out that these will forthcoming through two actions:
• Action 17.1 – The Mayor will continue to publish the London Energy and Greenhouse Gas Inventory (LEGGI) online every year (the latest dataset is for 2008, published in September 2010)
• Action 17.2 – The Mayor will produce an annual report on London’s progress on meeting its CO2 emissions reduction targets, including annual estimated CO2 emissions, and progress on Mayoral climate change mitigation programmes.
Posted in Data Store, News
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Designing Buildings for Future Climate – Conference
June 2012: An interesting one-day conference to be held at the Building Centre on Tuesday 12 June focusing on how future buildings will have to adapt as a result of climate change. The projects were supported through the Technology Strategy Board (TSB) Design for Future Climate: Adapting Buildings competition which funded 50 projects to assess climate change risks and develop adaptation strategies across a variety of building types including housing, schools, offices and university buildings.
A number of London projects were included in the project and will be highlighted during the day including: Great Ormond Street Hospital (GOSH) Phase 2b, London Bridge Station Redevelopment, Andrew Ewing Primary School (Hounslow), the London School Hygiene and Tropical Medicine, the University of Greenwich, and 100 City Road.
Attendance is free – further details of the event including agenda can be viewed here.
‘Second time lucky for Boris’s green pledges?’
June 2012: Recent BusinessGreen article suggesting that the Mayor “in tacit recognition of these failures [referring to previous pledges], Johnson has pledged to step up his efforts on improving the capital’s environment. As part of his plans to turn over a new green leaf, sustainable policies will be overseen from a higher level and will include the planting of thousands more street trees and scaling up of successful building energy efficiency programmes...As well as the expected plans to meet the targets he failed to meet last year in insulating homes and delivering a major electric vehicle recharging network, they also include launching a London-based Centre for Carbon Measurement by the end of next year, taking active steps to ensure the success of the Green Investment Bank, and lobbying government to include water efficiency in retrofit programmes.” Read the full piece here.
RE:FIT – Lessons from London
June 2012: Guardian news piece detailing the Mayor’s public sector building retrofit scheme, RE:FIT. Read the article here. Further information on RE:FIT here.
Delivering Energy Efficiency in London
31 May 2012: Think tank Future of London having been working with local authorities and other key energy efficiency delivery agents in London over the past few months considering how the Government’s Green Deal programme can be successfully implemented in the capital. The result of these discussions have been published today in a report entitled ‘Delivering Energy Efficiency in London‘. The role of local authorities and other local partners is – as DECC states on its website – “likely to be key in ensuring effective and intensive delivery of the ECO and Green Deal in particular areas.” Hence the findings by Future of London are of particular interest, and include:
- The capital faces a big challenge to make the most of the Government’s new approach to improving energy efficiency through the Green Deal and ECO programmes
- Contributing factors to the installation of energy efficiency measures being more difficult and costly in London include:
-The increased cost of parking and the congestion charge in London
– The particular characteristics of the London housing stock with a high proportion of solid wall properties and large blocks of flats that are harder to insulate
-The lack of accredited suppliers and installers within the M25
– And the increased difficulty with planning processes in London owing to the high volume of properties in conservation areas, and the need for external wall insulation on solid wall properties.
Ways in which boroughs could encourage consumer demand for the Green Deal include:
- Promoting the scheme through council media and public-facing staff such as social workers or housing officers;
- Using data from tax records, planning information and previous energy efficiency schemes to identify properties that could benefit from the Green Deal;
- Working with faith groups, tenants and residents associations and other community groups to promote the Green Deal and energy efficiency.
The research sets out some really interesting points which Government will need to ensure they take into account in their formulation of the Green Deal. These include:
- London contains an estimated 600,000 homes within conservation areas – almost half the national total – where planning laws are tighter in order to protect the character of historic buildings. One of the most efficient ways of insulating solid walls is through external cladding – in a conservation area this procedure is likely to require planning consent. At the very least, this will increase the time and bureaucracy involved in treating London homes, making it more likely that the ECO money will be directed to other regions.
- The number of high-rise buildings in London presents a similar problem that was frequently flagged up in interviews conducted with practitioners working across the Capital. 38 per cent of homes in London are in blocks of flats, nearly triple the amount in any other region. This can drive up costs in a variety of different ways.
- Much of the research on the Green Deal to date has suggested that a lack of consumer demand is the principle barrier to the scheme’s success. For example, even the Government’s own figures project a 93 per cent fall in the number of lofts insulated annually and a 67 per cent drop in the number of cavity walls.
- Boroughs have had difficulty giving away energy efficiency improvements for free, marketing the Green Deal will represent a considerable challenge.
- A participant suggested that ‘[Green Deal] assessors will need to be in people’s homes for about three hours. It’s a long time, and some residents will be uncomfortable with that’.
- It was also noted that, while some Boroughs had been interested in providing a loft clearance service as part of previous energy efficiency schemes, they had been advised against doing so by the Council’s insurance officers.
- experience of staff from an affluent inner London Borough interviewed as part of our research suggests that, for very different reasons, wealthier households may decline to participate in the Green Deal. They told us that “we have had little success reducing emissions from richer households because saving a few hundred pounds a year isn’t worth the hassle to them.”
Download the report here.
Shaping cities for health
May 2012: Researchers have set out in a paper published in the most recent issue of The Lancet that climate change will mean that London will have temperatures more like Hong Kong in the future. Shaping cities for health: complexity and the planning of urban environments in the 21st century highlights that:
The research paper highlights that: “There are 3·2 million dwellings in London, almost all of which will need some modification to meet decarbonisation targets. This huge scale of refurbishment presents enormous and complex challenges—in part because of the nature of London’s buildings. This stock is not only diverse in its construction methods, which span several centuries, but also in ownership. The level of energy efficiency of the stock is also highly variable. Many properties have already undergone some energy efficiency refurbishments that are not, however, adequate for the 2050 commitment. Indeed, these moderately refurbished properties might provide the greatest retrofit challenge.”
The paper picks up on a potential health issue associated with improving the energy efficiency of homes as a result of increasing the air tightness of homes.
“One of the key problems for retrofit policy is to ensure that greater energy efficiency does not compromise health. If energy efficiency is in part achieved though greater ventilation control (reductions in air exchange), ventilation might become insufficient to remove pollutants from indoor sources. Conversely, uncontrolled ventilation impairs protection against outdoor pollution. The optimum ventilation rate for buildings has not been adequately researched, but decarbonisation strategies are prescribing ever tighter ventilation controls. For example, in a mechanical ventilation with heat recovery (MVHR) system, warm, moist air is extracted from kitchens and bathrooms via a duct system and is passed through a heat exchanger before being released into the environment. …Mitigation measures might affect health through a range of pathways, several of which are likely to be as important as the usual exposures, if not more important. Thus a wider array of pathways than has been attempted previously should be considered. Encouragingly, there is at least a growing recognition of the associated complexities, and, for example, relevant guidance for the Building Regulations for England and Wales is continually updating its treatment of building-material permeability and ventilation control.”
“…world’s largest solar bridge”
Solid Wall Insulation Project in East London
June 2012: London has a high incidence of solid wall homes and as such has been poorly served by existing national energy efficiency schemes, which – with the exception of the troubled CESP programme – have not included support to solid wall insulation (SWI). The forthcoming Green Deal and Energy Company Obligation – scheduled to start in October of this year – are to change that, with the Government very strongly focusing on a significant uptake in SWI. Such projects are not without their difficulties – being much more complex to install and fairly invasive when insulation is fitted on the inside wall of solid wall homes (Internal Wall Insulation – IWI), hence, there is much to learn from projects currently underway. An External Wall Insulation (EWI) project has recently been completed on the Coventry Cross estate in Poplar, Tower Hamlets with the “energy efficient retrofit expected to cut residents’ energy costs by as much as 25% while achieving greater comfort.” Further information is provided on the following news release. Further information can be found here.
Posted in Energy Efficiency, News
Tagged CESP, Green Deal, insulation, Solid Wall Insulation, Tower Hamlets
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Parity Projects a winner!
May 2012: South West London business Parity Projects has been selected as a winner for a prestigious Ashden Award. The company has extensive experience in helping identify how households can improve the energy efficiency of their homes and reduce fuel costs. The Ashden website provides a case study on the the company and reports that “so far Parity has given advice to over 700 households as well as 17 social housing providers covering upwards of 240,000 homes, as well as training over 500 people in retrofit.” Further information at www.parityprojects.com.