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Maximizing Offshore Wind Potential in the UK: Growth Scenarios & Challenges

Explore the wind energy resources off the UK shores, comparing offshore and onshore benefits, alongside growth scenarios from 1999-2004 and reasons for slow development. Discover the potential for sustainable wind power growth and the challenges hindering progress. Learn about current turbine operations, government targets, and public perception. Gain insights into achievable build rates for a significant increase in wind energy capacity with necessary financial support and policy backing.

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Maximizing Offshore Wind Potential in the UK: Growth Scenarios & Challenges

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  1. WIND ENERGY By Tom Tarling February 24th 2005

  2. Wind resources over open sea (more than 10 km offshore) for five standard heights(ms-1+ Wm-2) 10m 25m 50m 100m 200m > 8.0> 600 > 8.5> 700 > 9.0> 800 > 10.0> 1100 > 11.0> 1500 7.0-8.0350-600 7.5-8.5450-700 8.0-9.0600-800 8.5-10.0650-1100 9.5-11.0900-1500 6.0-7.0250-300 6.5-7.5300-450 7.0-8.0400-600 7.5-8.5450-650 8.0-9.5600-900 4.5-6.0100-250 5.0-6.5150-300 5.5-7.0200-400 6.0-7.5250-450 6.5-8.0300-600 < 4.5< 100 < 5.0< 150 < 5.5< 200 < 6.0< 250 < 6.5< 300 WHY WIND ENERGY IN UK? • Biggest potential for wind power in Europe With the UK shores having the highest wind speeds in Europe. • Potential to produce 828 PJ of energy.

  3. OFF-SHORE Vs ON-SHORE? • Off-shore Engineering costs higher than on-shore. • Off-shore planning easier as not on peoples land or near housing! • On-shore higher winds = more energy produced. • On-shore restricted amount of suitable land. • Off-shore greatest potential for growth in the future.

  4. WHAT ARE THE BENEFITS OF WIND? • Construction fairly quick. • Technology there and already being used. • 1186 turbines currently working in UK. • Planning in place for more. • Low interference. • Some support from public and NGO’s. • Cheaper electricity than nuclear and similar to coal.

  5. WHY ARE WE SO SLOW TO BUILD MORE? • Public opposition. • Mixed views on if they are eyesores or not? • The growth rate can’t keep up with the demand. • Improvements needed to the grid. • Planning permissions already being turned down.

  6. CURRENT GROWTH FROM 1999-2004

  7. SCENARIOS • For the scenarios I set out I will use the following pre-judgements. • Average power of wind turbine at 1.5Mw. • Load factor at 30%. • Three scenarios- Worst case, Possible, To meet government targets.

  8. WORST CASE SCENARIO- 0.5 TURBINES A DAY • This is just above the current rate of building. • Little extra financial support, still require planning to be accepted and improvements to grid. • Long way from government target. • Would mean by 2010 around 1281 turbines would be built producing around 18.9 PJ of energy.

  9. WORST CASE SCENARIO- 0.5 TURBINES A DAY

  10. SCENARIO ONE- 1 TURBINE A DAY • On basis of 1.5MW Turbine built every day from 2005. • Is the more realistic improvement to build rate. • Would require significant financial backing and improvements to grid. • Would mean by 2010 around 3,011 turbines in existence creating 35.11PJ of energy.

  11. SCENARIO ONE- 1 TURBINE A DAY

  12. SCENARIO TWO-3.5 TURBINES A DAY • Very optimistic/ unrealistic scenario • High financial support, No or little opposition. • Would meet government targets! But at what cost. Sustainable growth? • Would mean by 2010 around 7,573 turbines would be in operation creating 101.5PJ.

  13. SCENARIO TWO- 3.5 TURBINES A DAY

  14. COMPARISON TABLE (PJ)

  15. COMPARISON- ALL SCENARIOS

  16. CONCLUSION • Out of all the scenarios I see that the build rate of 3.5 turbines a day to be completely unrealistic and unachievable. • I would say that at the moment a rate of 0.5 a day would be possible with some improvements to the grid. • I feel that a rate of 1 a day is achievable with enough financial and government backing but maybe not straight away.

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