Solar Electric Systems are Community Power Systems Ian Shearer Energy Information Services Ltd NZ Photovoltaic Association
Community Power Solutions Providing community power systems: • Needs leadership • Needs community ownership and control • Needs a long term vision for a sustainable community • Needs community financing • Needs a shift in thinking!
Community Power Solutions Community power will help: • Provide education opportunities • Improve health of community residents • Improve employment opportunities • Strengthen community institutions • Improve the environment • Reduce energy poverty in New Zealand
Solar powered electricity (PV) • PV systems are inherently community power • PV is used in rural areas and in cities • PV can be connected to the grid or stand-alone • Rural water pumping • Houses and farm buildings. • Community buildings, schools and institutions • Phones & traffic lights
Farm Water Supplies Photo: Energy Source Ltd
Stock Watering Systems Photos: Energy Source Ltd
Nelson off-grid house
4 kW PV System - Waiheke Photo: Pacific Solar Power Ltd
A city installation
Farm House Supplies
5kW PV Array Bay of Islands Photo: Alphatron Pacific Ltd
18 kW of Inverters Bay of Islands Photo: Alphatron Pacific Ltd
Wanaka Info Centre Photo: Ayre Chaffey Partnership
Rangiora High School System Photo: Mainpower Ltd
Waitakere City - Massey Library Photo: Reid Technology Ltd
DOC on Tiri Tiri Maitangi Photo: Reid Technology Ltd
University of South Pacific Tokalau Islands Photo: Reid Technology Ltd
PV used for traffic lights
Growth of PV Systems
World PV Market Size 1000 Market Size in MWp 800 40 % p.a. 40 % p.a. 63 % p.a. 600 400 200 18 % p.a. 0 1998 1999 2000 2001 2002 2003 2004 Off-Grid & Consumer on-Grid Source: European Photovoltaic Industry Association. 20
World Market Growth of PV (MW) 1000 ROW PV Shipments in MWp USA 800 Germany 600 Japan 400 200 0 1998 1999 2000 2001 2002 2003 2004 Source: (1998-2003) PV News & Strategies Unlimited; (2004) Solarbuzz Source: European Photovoltaic Industry Association.
Support can make a huge difference! - a “feed-in tariff” in Germany 400 350 300 250 200 150 100 50 0 1990 1992 1994 1996 1998 2000 2002 2004
Balance with other renewable energy systems
Solar Water Heater Rated 3 kW producing 4,500 kWh/yr
Wave Power Generator Rated 30 kW producing 120,000 kWh/yr
Small Wind Turbines Rated 10 kW producing 40,000 kWh/yr
500 kW producing 2M kWh/yr Windflow Turbine
NZPVA display for more info!
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