RENEWABLES FOR HEATING AND COOLING

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RENEWABLES FOR HEATING AND COOLING ( renewables-for-heating-and-cooling )

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190 Carrot and Guidance. The Swedish National Board for Technical Development (NUTEK) issued a Technology Procurement in 1994 for heat pumps with the intention of promoting energy efficient technologies and assisting their market development. This system of support, first introduced in 1984, is managed by the Swedish National Energy Administration and reviewed periodically. €0.1 M was allocated to a heat pump procurement competition as a grant for the winning, most efficient technologies with guaranteed sales of 2 000 units. In addition, information campaigns were created as a follow-up (Olerup, 2001). Two designs of GHPs won this award and spurred the market for this technology. Carrot. In 1997 grants were introduced for investment in district heating systems and connection of group and individual heating systems to reduce the amount of electric heating in Swedish residences. Subsidies were available to a maximum of €1 100-€3 300 per district heating system connection, dependent upon connection specifications and central boilers. These grants were temporarily withdrawn in 1999, reinstated, and then removed in 2002 (IEA, 2004). Carrot. Grants have also been provided in support of biomass energy crops for use in energy systems. €550 /ha is provided for growing short rotation forest plantations such as Salix. Carrot. An Investment Grant for Solar Heating has been available since June 1 2000. This grant of €0.27 /kWh of calculated yearly supply is available as a one-off payment to subsidize the cost of installations of solar heating systems for space heating and/or domestic hot water production. Grants, administered by the county councils and the National Board of Housing, Building, and Planning, are available to Swedish home owners, apartment buildings, and certain types of commercial premises (IEA, 2004; SNEA, 2006). A total of €1.1M was available in 2000 and increased to €2.2 M in 2001 (IEA, 2006e). Guidance. In March 2001, the Eco-energy Municipality Programme began, providing information on renewable energy resources aiming to contribute to the decisions of Swedish Energy Policy. Through this programme municipalities are offered seven different educational packages (IEA, 2006e). Carrot. A Tax Deduction for Installation Costs of Biomass Heating Systems (Proposition 2003/2004:19) was in place from January 1 2004 through to December 31 2006. This tax credit, applicable to income tax returns for 30% of the equipment and installation costs of biomass heating systems (IEA, 2004), was available to household space and water heating distributed via a central piping network and was limited to roughly €1,600 per household (European Biomass Association, 2006). A formal action plan for biomass was introduced in December 2005 and adopted in June 2006 (COM2005 628). Carrot. A conversion grant was introduced on January 1 2006 aimed at reducing the use of oil and electricity for heating purposes in residential and commercial buildings. It is available through 2010 for conversions to district heating, biomass-fired heating systems, GHPs and/or solar heating (SNEA, 2006). Evaluation In 2006 the demand for space heating and domestic hot water was about 306.0 PJ of which 10% was consumed by industry, 57% by the residential sector, 29% by commercial and public services, and less than 1% by agriculture and forestry (Figure B26). Roughly 4% of heat is lost in the substantial district heating network (IEA, 2007a). Overall the Swedish heating system is exemplary in its use of renewables, primarily biomass. Although solar thermal and geothermal contributions have been comparatively small, the markets have shown growth in recent years (Figure B27). Sweden has developed an extensive district heating sector, influenced by grants offered in support. Between 1990 and 1999 there was a fourfold increase of the use of bioenergy district heating systems (Johansson et al., 2002). Today district heating accounts for approximately 40% of the heat market.

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