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1. The target is set as 50% of gross consumption which is final electricity demand plus losses
2. Intermittent generation has been defined in this case as including wind, wave and tidal. Adding dispatchable renewables, hydro and biomass brings the renewables capacity up to 61%, see table 2.3.1 below.
3. Total consumed - Generation less transfers, own use and losses
4. e.g. Landfill gas
5. Offshore wind may be viewed as higher risk hence a higher discount rate could be appropriate. Using a 12% discount rate costs would be closer to £145/ MWh
6. Estimate of annual output based on mid point of planned capacity
7. Gross generation, prior to own use, losses and transfers
8. Scottish Government Low Carbon Vehicles consultation
9. Percentage referenced on page 10: 'How to make Scotland's existing homes low carbon' WWF (2008 see: http://assets.wwf.org.uk/downloads/carbon_homes_2_1.pdf
10. e.g. http://www.hitachi.com/environment/showcase/speco_technique/ecocute/01.html
11. For analysis purposes a ROC price of £50/ MWh has been used
12. Our analysis includes only those reinforcements that are under consideration at the current time. Clearly if Scottish renewable generation expands substantially, then further interconnection south may be required.
13. The results are presented on a cumulative basis to ease comparison.
14. Assuming an energy storage capacity of 10 hours
15. available at http://www.scottishrenewables.com/Default.aspx?DocumentID=652b97fc-40d1-4cb1-ad6e-e84c381b3b56
Page updated: Thursday, October 28, 2010