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Energy Impact Assessment/Statement
The 'Isle of Man Strategic Plan, 2007' states:
Energy – Policy 5: The Department will prepare a Planning Policy Statement on Energy Efficiency. Pending the preparation and adoption of that PPS the Department will require proposals for more than 5 dwellings or 100 square metres of other development to be accompanied by an Energy Impact Assessment. (1)
The above Policy Statement is further defined with the following:
12.2.10 In addition to alternative sources of energy supply, the Strategic Objectives in Chapter 3 refer to the promotion of efficiency and economy in the use of resources and the reduction of energy consumption by more efficient use of energy through energy conservation, recycling and waste reduction. There are numerous ways of increasing energy efficiency and reducing energy consumption both in the design and construction of new development and its subsequent operation, management and maintenance. The Building Regulations set standards for energy efficiency in new buildings including walls, windows, roofs and heating appliances. But the design and layout of new developments can in themselves reduce energy consumption through for example Passive Solar Estate Layouts. (2) Added to this are the various solar panel, photovoltaic cell, solar energy and heat pump technologies. (1)
12.2.11 Within the Strategic Objectives relating to resource and to energy efficiency, the Department wishes to promote a greater awareness and recognition of the benefits both to the environment and the consumer of energy efficiency in its widest sense. To this end the Department intends to prepare a Planning Policy Statement on Energy Efficiency. In the meantime it will require a planning application for more than 5 dwellings or commercial development of more than 100 square metres to be accompanied by an Energy Impact Statement (2) to demonstrate what measures have been taken in the design of the development to reduce energy consumption and increase energy efficiency. (1)
(1) Isle of Man Strategic Plan 2007 (2) UK Department of the Environment General Information Report 27 – Passive Solar Estate Layout (3) Definition From Appendix 1 of Isle of Man Strategic Plan 2007 – 'Energy Impact Statement: An assessment, prepared by the developer/applicant, of the impacts of the development in terms of energy consumption and proposals for reducing that consumption and improving the energy efficiency of the development.'
The attached document is a suggestion of a possible format for an Energy Impact Assessment as required by Energy Policy 5 of the Isle of Man Strategic Plan.
The headings for the Energy Impact Assessment have been drawn from the following documents:
| Category | Target | Notes | Achievable (YES / NO) | If YES – how? If NO – why not? | Notes |
|---|---|---|---|---|---|
| Design / Specification Energy / CO² | Improve thermal efficiency of the walls, windows and roof by eg. more insulation or better glass | Does the design specification demonstrate an improvement over currently utilised specifications / exceed current Building Regulation requirements? | YES | Requirements exceeded where applicable. | |
| Reduce air permeability – improving the control of fresh air into the home | Specific attention paid to the prevention of uncontrolled ventilation. Passive Ventilation methods also considered. | YES | Have developed a set of ‘Robust Details’ with particular attention paid to air leakage (as well as thermal insulation). | ||
| ≤1.3 Heat Loss Parameter (HLP) | Fabric of the home designed to reduce thermal bridging. | YES | The properties are designed to reduce thermal bridging. | ||
| Reduce Energy Consumption in respect of Space Heating | • High efficiency condensing boilers – SEDBUK rating A • Alternative (oil/LPG boilers)– SEDBUK rating A • Alternative methods of heating eg. Biomass, CHP, Heat Pump • Passive Solar design • Communal heating | YES NO NO NO NO | Fitted as standard Not applicable to this scheme Not applicable to this scheme Properties have been orientated to make maximum use of solar gain Not applicable to this scheme |
| Reduce Energy Consumption in respect of water heating | Inclusion of solar thermal water heating OR Properties to be left 'solar enabled' for retro-fit. | NO | Not applicable to this scheme. | Propose to make available as a 'purchaser's extra' | |
|---|---|---|---|---|---|
| Improved energy efficiency of lighting (internal) | ≥75% energy efficient fixed fittings OR state %. | YES | Energy efficient light fittings provided throughout. | ||
| Improved energy efficiency of lighting (external) | External lighting provided by dedicated energy efficient fittings & daylight cut-off devices. | NO | No external lighting provided. | ||
| Improved energy efficiency of lighting (security) | All burglar security lighting is Max. 150w & fitted with movement detecting & daylight shut-off devices. | NO | No security lighting provided. | ||
| Energy Efficient fixed fittings | • ≥40% of fixed fittings – fridges and freezers have an A+ rating. • Washing machines and dishwashers have an A rating. • Washer driers & tumble driers have a B rating. | YES NO YES | Where included in 4-bed dwellings Not provided, washer/driers only provided in first floor flats. | ||
| Energy Efficient fittings (retro purchased) | Information provided to the purchaser on the benefits of purchasing energy efficient white goods where not supplied with the new home. | YES | Information is provided within the 'handover pack'. | ||
| Reduce CO² Emissions | Provide safe, weather-proof & secure cycle storage for eg. 50% of the properties. | NO | Not applicable to this scheme |
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