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Institutional Capacity Buildings on Renewable Energy

Institutional Capacity Buildings on Renewable Energy Training in Pacific Island Development States (PIDS) Pilot Training on Wind Energy Conversion System (WECS). Situation of WECS & RE in the Kingdom of Tonga. Prepare and Present by:

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Institutional Capacity Buildings on Renewable Energy

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  1. Institutional Capacity Buildings on Renewable Energy Training in Pacific Island Development States (PIDS) Pilot Training on Wind Energy Conversion System (WECS) Situation of WECS & RE in the Kingdom of Tonga Prepare and Present by: Sione Tu’ipulotu Kilisimasi Lutui

  2. TONGA NATIONAL ENERGY POLICY • VISION • Energy that is available, affordable, and sustainable for social and economic development for the people of Tonga. Tonga face a unique and challenging situation with respect to energy and sustainable development: • Demographics vary slightly between districts, but often experience small feature and isolated population centres. • Markets size is small and difficult to serve plus the limited significant economies of scale. • 10% of the total population experience limited access to electricity (Tonga Population Census, 1996). • Tonga contain a wide range of ecosystems, predominantly influenced by marine systems that make infrastructure development difficult and environmental impacts. • Unfortunately, Tonga does not have indigenous petroleum resources, but majority power of the Kingdom is operate from diesel.

  3. Renewable Energy Development in the Kingdom of Tonga

  4. PRESENT SITUATION OF RENEWABLE ENERGY IN TONGA • BIOMASS is of course the most wanted utilize primary RE source in the Kingdom • More than half of the Island population have access to electricity by using PV technology • Present PV Programme -There is a need to rehabilitate most of PV system in the outer island, both the institutional and technical -The latest PV programme which was funded by SPC seems to be very cost effective and could be a model for the future. • Problem Uncounted • -Recourses assessment is needed to be enhance.(Testing and Monitoring of wind system should be continue and with in different locations) • -Lack of technical knowledge among private sector as well as central public. • -Need private sectors participation interest (available of local PV participant) • -Regular training needs in really important to ensure feature success of RE projects. • IT’S A SMALL NUMBER OF PRIMARY ELECTRICITY FROM SOLAR ENERGY COMPARED TO THAT GENERATED FROM DIESEL

  5. PHOTOVOLTAIC HISTORICAL DEVELOPMENTof the Kingdom of Tonga

  6. Number of system 1991 1991 1993 1994 1996 1997 1999 1999 2002 Year PV INSTALLATION 1991-2003 Number of Systems 1991-2003

  7. WIND ENERGY THE RESULTS OF WIND CONDITION ANALYSIS AT THESE TWO SITES ARE SHOWN BELOW

  8. Recommendation • After this Feasibility study of wind power plant we learned that the break-even point is achieved when a Win Turbine Generator system(WTGS) receive wind of 6m/s at the height of 20m on the annual average. • Since either location investigated is far from meeting this criterion,it is impossible to construct a wind plant if the wind ever seek to gain profit. • As the turbulence intensity at either point exceeds 20%,WTGS would expect to suffer an rapid failure frequency and a reduction of services life. • Particularly at Anokula,the average turbulence intensity is extremely high about 30% and there are no general-use wind power generators that can sustain such turbulence intensity .Therefore,it is technically impossible to install WTGS at this location.

  9. Thanks for your Attention Malo ‘Aupito

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