Rhode Island Wind Power Resource Assessment presentation by Annette Grilli of URI.

1. RHODE ISLAND WIND
POWER RESOURCE
ASSESSMENT
Annette Grilli
Ocean Engineering
University Of Rhode Island
agrilli@egr.uri.edu
Team: Ocean Engineering Student: Christopher O’Reilly
GIS: Christopher Damon
Wind Field data: John Merrill, GSO
Birds assessment : Peter Patton and Kristopher Winiarski
Senior Advisor: Malcolm Spaulding
Outreach: CRC team , Teresa Crean and Jennifer Mc Cann

2. Conceptual Framework for Energy Resource
Assessment
Source: Assessment of Marine and Hydrokinetic Energy Technology:
Interim Letter Report http://www.nap.edu/catalog.php?record_id=13202

3. Theoretical Wind Resource New England

4. Modeled Mean Wind Speed
NREL- AWS TrueWind

5. Theoretical Wind Resource
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6. Theoretical Wind
Resource at 70 m
(W/m2)

7. Technical resource
Cut-in, Cut-off, Rated Speed Betz Law
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Power (W)
Wind Speed (m/s)

8. Wind Technical
Resource at 70 m
(W/m2)

9. Vertical Profile And Shear Coefficient
Report to the Virginia Offshore Wind Development Authority (VOWDA)
Virginia Department of Mines, Minerals, and Energy December 7, 2010

10. Practical Wind Power Social
constraints
Ecosystem
Technological Services
Constraints Constraints
Environmental
constraints
Wind
Power

11. Ecosystem Services
• Food:Agriculture, Aquaculture
• Energy
Resources Cost
Provisioning • Services
• Other goods
Social cost
• Recreation Environmental
• Aesthetics
Cultural cost
• Historic
• Cultural Wind Power
(WP) Technological
cost
• Biological regulation
• Biodiversity maintenance
Regulating • Endangered species maintenance
Reference: Karen McLeod and Heather Leslie (2009)
Modified .

12. Wind Farm Siting Index
Exclusionary Typology of
zones Assess the
open space sensitivity of
E.G: ZONES each zone to Set back rules
Resources and
or wind farm constraints Noise
• Airport restriction impact optimization Flicker
area (FAA) Social and
Environmental WIND FARM WIND FARM Visual Impact
Landscape IMPACT SITING INDEX
Regions ZONES
User
Input
Tolerance level

13. Wind Farm Impact Zones
Homogeneous
area • E.g: Forest
zone
• Regulating:
• Biodiversiy
Ecosystem • Integrity/No Fragmentation
services • Cultural:
• Recreation
Ecosystem • Maximum value =
services Destruction of the
ecosystem service
sensitivity to • Minimum value =
No impact
wind farm

14. STEP
1
STEP
3

15. Data Source
Model
• Advantages
• complete spatial coverage
• vertical profile
• Disadvantage
• large uncertainty on vertical
profile
à Measurement: tower + sodar
accurate vertical profile