Matiu-Somes Island Wind and Solar Renewable Energy System Tony
Pearson
Slide 3
Brief History of the island Design Criteria Chosen System
System Performance Benefits of a combined system Future for Matiu
Somes Island
Slide 4
Maori Pa or Fortress Human Quarantine for Early Settlers
Internment camp during the world wars Degaussing station for ships
during the war Gun defences for Wellington Harbour Animal
Quarantine Station Nature and Scientific Reserve
Slide 5
Existing Supplies: Unusable Cable from the Mainland 64 kVA
Generator 36 kVA Generator 16 kVA Generator 3 Phase Distribution
System Requirements: 5 Houses, 3 motel blocks, campground, Visitors
centre and office block 3 full time residents Up to 65 short stay
overnight residents Up to 400 day trip visitors Total load of about
25,000 kWhrs per year reducing with efficiency gains. To Provide
11,000 kWhrs per year 65% of their predicted usage.
Monthly 22 kW 12 kW Weekly (Winter) 58 kW 10 kW Daily (Winter)
136 kW 73 kW Weekly (Summer) 20 kW 16 kW Daily (Summer) 35 kW 32 kW
Existing System 4 kW 6 kW Size of solar array required with solar
only Size of wind turbine required with wind only
Slide 18
Battery Voltage August September
Slide 19
Follows the load profile more closely Benefits of a combined
system: Evens out the large peaks and troughs of power generation
Allows for a smaller battery and generator usage Extends battery
life Better match of generation and load
Slide 20
Making use of hydrogen for water heating or cooking Further
Reduce Dependency on imported fuels by: Introduction of Electric
vehicles Further electrification introduction of low wattage
heaters and heat pumps Conversion from gas cooking to electric
Slide 21
Any Questions Tony Pearson Tecnico Energy Solutions
www.tecnico.co.nz [email protected] Ph: 64 4 212 4873