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15 MW Geothermal Energy Plant

15 MW Geothermal Energy Plant. Stephen Mc Loughlin Stephen Devlin Paul O Reilly Mark Flanagan. Benefits of Geothermal Energy. Not dependant on climate – Available 24/7 Secure, Reliable and Unlimited Energy Supply Decreases dependency on fossil fuels Price of energy will not change

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15 MW Geothermal Energy Plant

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  1. 15 MW Geothermal Energy Plant Stephen Mc Loughlin Stephen Devlin Paul O Reilly Mark Flanagan

  2. Benefits of Geothermal Energy • Not dependant on climate – Available 24/7 • Secure, Reliable and Unlimited Energy Supply • Decreases dependency on fossil fuels • Price of energy will not change • Low Emissions and Visual impact • No Air or Water Pollution • Only small amount of land required • Running costs are very low

  3. Budget & Finance Figures not correct, this is just basic idea for the slide • Research , geophysical surveys and test drilling – 4 Million • Planning and consultations – 2 million • Cost of Transmission Line – 4Million. • Cost of plant build – 20 Million • Assumed Online Availability Factor = 95% • Operation and Maintenance Costs for Plant and Field in cents/kWh = 1c • Production prices of about 5-7 cent per KWh once running • Electricity Sales Price in cents/kWh = 12 cents • Money made from Electricity Sales Price in cents/kWh = 5 cents • Average Cost of Production Well = 10 million • Average Cost of Injection Well = 10 million • Total Capital Costs of the Geothermal Power Project per kW = 50M • Total Capital Costs of the Geothermal Power Project per kW – 3000Euro • Payback Period = 10 – 15 years

  4. Budget & Finance

  5. Risk – Barriers • High initial capital costs. • Environmental risk – fines and penalties. • Planning, permit and legislation – any changes hold up project. • Inappropriate funding schemes • Inappropriate legal framework • Geographical risk–Tremors, land subsidence, temperature decline • Pre build risks – survey errors and research oversight. • Failure of Equipment or injection/production Wells • Cost over runs over the life of the project.

  6. Risk Mitigation • Government cost sharing and grant schemes. • Large database of research and operation projects. • Be informed of up to date technical information and associated risk. • Tax incentives. • Funding From Sustainable Energy Authority (SEAI) • Having a Power Purchase Agreement in place - help to raise financial support • European geothermal fund scheme– GEOFUND • Guaranteed loan structure.

  7. Project plan & Timeline

  8. Project plan & Timeline

  9. Finding A Suitable Location • High Temperature Gradient • Possibly at a natural fault line (Fracture) • Near Transmission or a large Industry • Near Supply of Water for Cooling • Good Surrounding Infrastructure • Reasonably priced Land – Private • Local Community impacts and planning

  10. Temperature Gradient & Fault Lines

  11. Transmission & Available Land and Water

  12. Infrastructure

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