1 / 11

Understanding Wind Energy Development: Setbacks, Assessment, and Business Structures

This article explores key considerations in wind energy development, focusing on setbacks for turbine construction, local regulations, and project planning in communities like New York and South Dakota. It discusses typical setback distances based on turbine dimensions and the reasons for these regulations, including noise and aesthetics. The piece also delves into site assessment, business structures for developers, and the financial implications of leasing versus owning turbines. Finally, it highlights the importance of wind speed and environmental factors in optimizing turbine performance.

bjorn
Télécharger la présentation

Understanding Wind Energy Development: Setbacks, Assessment, and Business Structures

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Article #3 New York Windmills Setbacks: Minimum distance from residence for construction of turbines. Determined locally – community, county, state. Typical Setback = hub height + tip height x 1.5 So….. 280 ft +100 ft x 1.5 = 570 ft

  2. Why Setbacks? • Aesthetics • Noise • Flicker Shadow • Blade Ice • Tip speed = 100 mph • Fly Way • Migratory Birds/Bats

  3. Article #4 Intro to Wind Development • Project Planning/Goals page 1 • South Dakota #4 in Potential….why? • Low Population and high wind quality • Process is the same for all scales of operation • Size just changes length (time) of development • US Department of Energy Website • Maps – show wind class ( 3 or higher and clear of trees) • Assessment of “possible” project • MET Towers – study quality of wind on site. $80,000 • Anemometer – gives wind quality data • Radar Globe- study quality from ground. No tower needed • Customer Base- does your peak production times meet the demands of potential customers? 5pm – 10 pm

  4. Article #4 Intro to Wind Development • Site Assessment • Physical aspects of the property • Access? Can you get heavy equipment on-site? • Is road construction required? • Do current roads have to be improved? • Topography – surrounding terrain • Can enhance wind flow/can also detract from wind flow • Access to transmission lines • Current costs = $1.0 - $1.5 million/mile

  5. Article #4 Intro to Wind Development • Business Structure • Possibilities: • Lease $6000.00 per/tower over 20 – 25 years. • Not much risk…..lowest payback • Join Coop • More risk – requires your money for development • More potential payback • Own it Yourself • High risk……more potential financial return • Why? Turbine cost, construction, connection, metering, maintenance, consultation • Finance Options- dependant on what your structure is • Assignment- Read pages 4-6. Find current event article on wind energy.

  6. Article #5 “Know Your Wind” • Wind Speed – MOST important variable • Varies = Seasonal, Height, Time of Day • Average annual wind speed “Cubic Relationship” • 15mph = 3375 13mph = 2197 60% • Wind Speed Distribution • Flagging – Vegetation deformation due to wind • Griggs-Putnam Index of Deformity p.3 • Anemometer/Radar • State Wind Resource maps • Daily/Seasonal Wind • Need a “Client” You, coop, power company? • Wind Direction • Wind Rose Chart

  7. Know Your Wind Con’t • Wind Shear • Typically increases with height • Air pressure and Temperature • Minimal effect….air density • Regional data • Obstacles • Trees, buildings, other turbines • Roughness • Vegetation, terrain….SMOOOOTH=GOOOD • 19 mile radius • Contours

  8. Solar Energy = Wind Energy? • Sun = radiant energy • Earth’s Surfaces heat unevenly…water/land • Differing times of the day • Warm air Rises= lowers Atmospheric pressure • Cooler air (more dense) is drawn in to replace it • End Result ……WIND!Isobar Map Explanation • Air has mass, when in motion = Kinetic Energy • Kinetic energy = mechanical energy = work • Graphic 10.1 p. 242

  9. Energy Production Units • Watt W Watt = volts x amps • Kilowatt kW = 1000 watts • Megawatt MW = 1,000,000 watts • Gigawatt GW = 1,000,000,000 watts • Production and Consumption are usually measured in kWh (kilowatt hours) • kWh = 1 kW produced/consumed per hour • 50 watt bulb on for 20 hours = 1 kWh = $.07 • 50 W x 20 h = 1000wh = 1kWh

  10. USA household Energy Usage • Average electrical use = 10,000 kWh • Spirit Lake Elementary ... 250 kW Turbine • 350,000 kWh/year • 53,000 sq. ft • Bonus $25,000/year • Utility Scale Requirements – Turbine Tour • Minimum average of 13 mph (6 m/s) • 1 MW can produce 2.4 – 3 million kWh/year • Pay back in SD? 7 – 7.5 years

  11. Procedure # 2 Math • The Power contained in a square meter of air, at a given density is represented by: • P = ½ x p x (v)3 answer will be in watts/m2 • P = Power (watts/m2) • P = Standard atmosphere = 1.225kg/m3 • V = wind speed in m/s (1m/s = 2.23 mph) So….how much power in a wind 3 m/s? P = ½ x 1.225 kg/m3 x (3 m/s)3 = 16.5 watts/m2

More Related