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2a. Technical planning of a wind farm. Source: WWEA. ADVISING DEVELOPING OPERATING hb@generalwind.com. 2a. Technical planning - flow chart. Source: WWEA. ADVISING DEVELOPING OPERATING hb@generalwind.com. 2a. Planning – wind conditions.
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2a. Technical planning of a wind farm Source: WWEA ADVISING DEVELOPING OPERATING hb@generalwind.com
2a. Technical planning - flow chart Source: WWEA ADVISING DEVELOPING OPERATING hb@generalwind.com
2a. Planning – wind conditions • Estimation of wind conditions: WAsP wind site assessment oder measurement? • Period of measurement: 1, 2 or 3 years – what expects the financing institut? • Measurement - crucial points: vertical wind profil correlation with suitable long term annual datas • ·Initial estimates of installed capacity and energy yield ADVISING DEVELOPING OPERATING hb@generalwind.com
2a. Technical planning – lay out Source: WWEA · Draft layout of a wind farm ADVISING DEVELOPING OPERATING hb@generalwind.com
2a. General local frameworks Source: WWEA ADVISING DEVELOPING OPERATING hb@generalwind.com
2a. Permit aspects The ecological impact of wind turbines Source: WWEA ADVISING DEVELOPING OPERATING hb@generalwind.com
2a. Noise pollution from wind turbines Source: WWEA ADVISING DEVELOPING OPERATING hb@generalwind.com
2a. Shadow casting of wind turbines Source: WWEA ADVISING DEVELOPING OPERATING hb@generalwind.com
2a. Economic aspects • Economic feasibility • Calculation over 20 years (investment costs and interest rates, energy yield, kWh – tariff, operation and maintanance, repairs, insurance, provisions for dismantling the turbine, 5 – 10 % security • security of power purchase agreement (PPA at least 10 years) • Pay back period < 15 years • Yearly profit > 5 % Source: WWEA, GeneralWind ADVISING DEVELOPING OPERATING hb@generalwind.com
2a. Social planning: Early information and transparency • - Listening to general local situation- Discussing plans with municipality • - Preparing activities to citizens, public relations, bus tours, media ADVISING DEVELOPING OPERATING hb@generalwind.com
2a. Social planning: Fair allocation of project effects - advantages: income, property rents, offers, jobs, taxes,publicity;high degree of regional economic improvement - disadvantages:landscape impacts, acoustic impacts, shadows, distances to neighbours ADVISING DEVELOPING OPERATING hb@generalwind.com
2a. Social planning: Offering project participation possibilities - participation possibilities create a more open atmosphere - preferred / priority chances in favour of people living around - communicating project advantages ADVISING DEVELOPING OPERATING hb@generalwind.com
2a. Social planning: Repeated information and public relation • regular activities to be in minds and media: Press declarations, interesting visitors, publications, local cooperation • energy projects as interesting events: Evident public activities embedded into local cultural situation, tourist ambitions ADVISING DEVELOPING OPERATING hb@generalwind.com
2a. Building permission and operating licensing in Germany • One authority guiding the whole procedure and involving further participating sub-authorities and the public • Projects <3 wind turbines: Approach local building permission authority • Projects >2 wind turbines: Approach regional immissions authority • Start with Screening meeting: Final clarification on all necessary steps and documents; 7 month to get the permission • 4 weeks public participation ADVISING DEVELOPING OPERATING hb@generalwind.com
2a. Financing of wind energy projects in Germany • -30 % equity; 70 % public loans by governmental KfW at 5%, to be payed back within a 10 – 15 years period of time • -due dilligance on all necessary documents: (land rental contracts, 2 – 3 independent wind data studies, investment contracts, building and operating permission, power purchase agreement PPA on >10 years, insurance and operation/maintenance contracts, dismantling provisions, …) • -financing contract to be signed with competiting private bancs, which have to secure (margins …) and administrate the KfW - loan ADVISING DEVELOPING OPERATING hb@generalwind.com
2a. Further links Source: WWEA ADVISING DEVELOPING OPERATING hb@generalwind.com