Renewable energy projects
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In the energy section
Renewable energy schemes completed in the Dyfi valley since January 2001
1. Maesglas, Nant y Dugoed (Mallwyd): A farm diversification - a 120 kW hydro-electric scheme selling its output into the local distribution system (grid) under a Non-Fossil Fuel Obligation contract purchased from another site.
2. Dulas Valley Community Wind Partnership: A 75 kW wind turbine above Pantperthog. Electricity sold to the Centre for Alternative Technology, who use about half of it on site and sell the rest into the local grid. The turbine is owned collectively by about fifty local people who have formed a company called Bro Dyfi Community Renewables Ltd for the purpose. Assisted by the Scottish Power Green Energy Trust and the Energy Saving Trust. Some of the dividends will be ploughed back into reducing the amount of energy used by the local community.
3. Domestic wind, Ynyslas: Off-grid domestic electricity system using wind (340 W) and solar electricity.
4. Ysgol Craig-yr-Wylfa, Borth: Solar electric demonstration system to familiarise pupils and others with this emerging technology. The 690W array is mounted on a purpose-built rain shelter. Assisted by the Scottish Power Green Energy Trust and the Scolar Consortium.
5. Ysgol Bro Ddyfi, Machynlleth: Solar electric demonstration system, similar to the one at Borth, but wall-mounted in this case. The electricity powers a dedicated computer, with internet links to systems in other schools. Assisted by the EcopowerTrust and the Scolar Consortium.
6. Dulas Ltd, Machynlleth: A grid-connected 1.4 kWp solar electric system at Machynlleth Eco Park, providing approximately 10% of the building's electricity needs over the year.
7. Domestic PV, Llanwrin: A domestic solar electric system with an output of just less than one kilowatt (peak). It is grid-connected, so that electricity not used in the house can be used elsewhere locally. The house also has solar water heating.
8. Domestic PV, Machynlleth: 960 W solar electric roof. Most of the output in winter will power a ground source heat pump (to heat the house). Back-up heating is from a wood stove.
9. Domestic PV, Eglwysfach: A domestic solar electric system with an output of 2 kW. The oak-frame house also has a space heater fuelled by wood pellets (from woodworking industries) and solar water heating.
10. Tai Cantref, Machynlleth: 18.4 kWp array on social housing (10 flats and a semi-detached unit). Part-funded by the DTI.
11. Dyfi Eco Park, Machynlleth: 13.4 kWp arrays on both of Units 4 and 5 at this "green" light industrial estate owned by the Welsh Development Agency.
See also Domestic wind (3), above, with 240 Wp solar capacity.
12. Centre for Alternative Technology, Pantperthog: 124 m2 of solar water heating for a new building, together with a "heat main" to transfer hot water between this system, the existing woodchip boiler and other buildings on site, thereby heating several buildings from renewable sources throughout the year.
13. Dyfi Solar Club (Dyfi Eco Valley Partnership): Enables householders to obtain solar water heating systems at lower cost by providing access to discounted equipment and providing training in system choice, design and installation. Most of the10 systems completed so far in the valley have been installed by the householders themselves but some have been installed by professionals. A further 14 local people have been trained. The service is now available throughout Powys through collaboration with the Brecon Beacons National Park Authority and Powys Energy Agency.
14. Quarry Café, Machynlleth: 8 square metres of roof-integrated solar water heating for caf� and flat.
15. Pottery, Pennant: A smallholder / potter heating the house and annexe with woody wastes from factories and farms, incorporating a small "heat main".
16. Domestic stove, Pantperthog: Log-burning stove with back boiler, displacing LPG. Combined with solar water heating and gas via a multiple-input wet heating system.
17. Domestic stove, Ynyslas:Log-burning stove with back boiler, replacing LPG. Combined with solar water heating.
18. The Wynnstay, Machynlleth: The first of several wood burners in the Hotel.
See also schemes 8 and 9, above