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Explore the innovative eco-friendly practices and energy-efficient strategies in the Hammarby Lake City development in Stockholm, featuring advanced recycling facilities, water treatment processes, and low-carbon initiatives.
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The City context 5 JULY 2007
The local context 5 JULY 2007
Hammarby Lake City, Stockholm 9000 homes 11 phases 145 homes to the hectare Mixed use Schools Transport 40% open land 5 JULY 2007
Hammarby’s battery of recycling Key investor is Fortum, the city’s water company. Facility within development has 4 different water treatment processes Foul water is purified and sludge used to create biogas. More than 1000 homes have been fitted with a cooker powered by bio gas making each home self sufficient in cooking fuel Filtered water is piped to nearest agricultural production Storm water is channeled through luxuriant hard landscaping feature into lakes and canals Small hydroelectrical feature creates electricity for streetlighting Heat recovery systems convert waste water in some blocks into space heating for common parts Tap water is powered by solar thermal PVs on some blocks Vacuum-powered waste extraction takes recycling to sorting depot where biogas is created 5 JULY 2007
Glasshus Ett - energy consumption strategy Key lessons: Sustainability mainstreamed 5 JULY 2007
Envac system 5 JULY 2007
“The Hammarby model” Target is to use 50% less heat and water than Sweden’s Building Regulations Stockholm has licensed “Model” to other cities, notably Vancouver 5 JULY 2007
Sweden’s low-carbon strategy ‘Bought energy’ in buildings must be lower than 100kWh/m2 a year by 2010 Premises to be energy rated by 2007 20 demonstration projects a year 5 JULY 2007
Why we had to move up a gear EcoHomes was applied mostly to schemes built with Housing Corporation grant or on government land, such as EP, ie 1:10 Only David Wilson Homes among the top 10 has a corporate responsibility commitment to achieve ratings, with a target of 50% achieving good and 50% very good. EcoHomes review is done at design stage, not completion EcoHomes allowed trade-offs. Thermally inefficient units scored if they were built near public transport - whether occupants used it or not 5 JULY 2007
CSH’s minimum targets for water and energy consumption With level 6, 100% reduction as house becomes net producer of energy 5 JULY 2007
CSH Level Traditional detached Traditional end terrace Traditional low rise Traditional high rise ‘Weber Haus’ ‘SixtyK’ House 1 £490 £490 £38 £2,896 £490 £490 2 £1,435 £1,391 £619 £3,326 £490 £490 3 £7,133 £6,899 £3,910 £8,383 £3,010 £3,010 4 £8,515 £7,712 £4,574 £16,142 £6,938 £3,060 5 £16,136 £24,883 £9,359 £16,794 £15,744 £6,644 6 £29,427 £26,314 £16,838 - £32,158 £7,264 Costs related to 4 common types and 2 specials 5 JULY 2007