Siting Optimization Surveys for Edgartown FERC Permit Area

Siting Optimization Surveys for Edgartown FERC Permit Area

03

4

12

6 578

9NOAA Station

SMAST Tide RecorderSMAST Current Meters

Ebb Tide Current Direction

Permit BoundaryVelocity Transects

Launch of Barge for 2011 Technology Test

Test Barge on station in Muskeget Channel

Barge mounted Free Flow Turbine for 2011 Muskeget Channel Technology TestEnergy Generation Pilot August 2011 FreeFlow Turbine Muskeget Channel

Barge mounted Free Flow Turbine for 2011 Muskeget Channel Technology Test

Test Barge on station in Muskeget Channel

Energy Generation Pilot August 2011 FastCap Power Electronics for Muskeget Channel

Technology Related Environmental Impacts: As the marine renewable energy developers move into permitting

and implementation, need assessment of potential environmental effects.

Scouring Studiespresently underway

in Muskeget Channelto understand effectson sediment transport

Bio-fouling Effects fromTechnology Deployment in

Muskeget Channel

Environmental Evaluations – Muskeget ChannelMooring Structures

Test Mooring Structure to evaluate sediment movement in high velocity zone. Instrumented with velocity sensors and tilt gauges.

Pre-deployment of Scour Block with Velocity Sensorsas Presently Deployed in Muskeget Channel

Environmental Evaluations – Muskeget ChannelMooring Structures

Deployed for 1 year

Scouring Study in Muskeget Channel

Current meter

Scouring Study in Muskeget Channel

Environmental Evaluations – Muskeget ChannelBottom Sediment Sampling

Trawl resistant bottom mooring

Current Meter

Environmental Evaluations – Muskeget ChannelCurrent Profiling in High Velocity Site

Environmental Evaluations – Muskeget ChannelCurrent Profiling in High Velocity Site

Mooring Recovery

Coastal Systems Programweather buoy deployed in

Muskeget Channel

Deployment of CSP Weather Buoy

Proposed Cable Routes

Environmental Evaluations –Routes for Power Cables (generator to grid)

Environmental Evaluations Muskeget Channel Bio-fouling Tests on Generator Components

Bio-fouling ArrayReady for Deployment Muskeget Channel

With and Without Anti-Fouling Protection

Bio-fouling ArrayBeing Deployed Muskeget Channel May 2011

Bio-fouling ArrayDeployed Muskeget Channel - 2011

Siting Surveys for Edgartown FERC Permit Area

03

4

12

6 578

9

NOAA Station

SMAST Tide RecorderSMAST Current Meters

Ebb Tide Current Direction

Permit BoundaryVelocity Transects

34

12

6 57 89

0

CSP-SMAST Siting Surveys Muskeget Muskeget Channel Max Velocity

Transect 6

FLOODEBB 4 kts 5 kts

Shipboard and Bottom Mounted ADCP Capabilities

3

4

12

6 57 89

0 Long-Term Bottomwater Velocity

Current Velocity Plotted as a Function of Magnetic Heading

0.0m/s 0.5m/s 1.0m/s 1.5m/s 2.0m/s

0.0m/s0.5m/s1.0m/s1.5m/s2.0m/s

N

330

300

W

240

210

S

150

120

E

60

30

60 day records of water flow and direction

3 knots

Maximum Ebb Tide Velocities

7.1

7.0

7.2

6.0

6.1

6.2

8.0

~ 260 yards

Proposed Tidal Turbine Array

CSP-SMAST Siting Surveys Muskeget Channel Locating Max Velocity

Transect 6

Transect 7

Bottom Mounted Current Profiler

N 41 20.069

W 070 25.428

N 41 20.078

W 070 25.677

Location of bottommounted ADCP inMuskeget Channel

Velocity Ensemble

Dep

th (m

eter

s)Bottom Mounted ADCP Current Velocity Profile for 24 Hour Period in Muskeget Channel

4080 4090 4100 4110 4120 4130 4140 4150 4160 4170 4180

2

4

6

8

10

12

14

16

18

20

22

0

500

1000

1500

2000

2500

Velocity(mm/sec)