::: www.samui-sd.net  ::: Feasibility Study for the Sustainable Development of Samui Island


This Project is co-funded by
EAEF (EC-Asean Energy Facility)

Project Detail

Feasibility Study for the Sustainable Development of
Samui Island

Samui Island , in the South of Thailand, is a beautiful and successful tourist destination. More than one million tourists visit the island every year, for a local population of just 50,000. This fast-growing development causes several problems (energy supply, environmental degradation among others).

Therefore, the aim of the Study is to identify solutions for the energy supply, solid waste management, wastewater treatment, and water supply to foster the sustainable development of Samui Island, Thailand.

This 18 months project will be done in partnership with several stakeholders directly involved with the development of Samui Island in terms of investment in energy, solid waste, wastewater and water supply projects like Municipality of Samui Island, Thai concerned utilities, developers and clean technology suppliers from Europe and Thailand.

It will allow the different stakeholders to achieve several objectives. First, it will improve the environmental situation of Samui Island by promoting sustainable development and renewable energies following the feasibility study’s propositions based on precise studies and environmental review. This will be then for the benefit of other ASEAN countries. Then, it will strengthen cooperation between ASEAN countries for this kind of project by disseminating lessons learnt from this project and allow a transfer of clean technologies with Europe by working in partnership.


There are more than 400 hotels and 13,000 hotel rooms. With tremendous growth of tourism, the island is facing serious environmental problems, such as solid waste, wastewater, water supply and electricity supply. Samui Island has an increasing demand of electricity and water, and amounts of solid waste and wastewater are becoming alarming.

The development of Samui Island is approaching a critical stage. There is no comprehensive plan to deal with these problems, no strategic planning and policy, which are essential to foster the sustainable development of the island. There is no integrated study on Samui Island on future management plans for energy and environment. Previous studies focused on individual issues, such as land use, environmental protection and garbage, with a clear lack of integrated approach. The proposed Study takes an integrated approach to electricity supply, thermal energy supply, water supply, wastewater management, and municipal solid waste, as well as potential of renewable energies, including biomass, biogas, wind and solar energy.

This Project will set a benchmark for the sustainable development and redevelopment of a dream island, and by extension, of an isolated region. The Project will provide a successful case of sustainable energy and environmental management for municipalities and provinces with limited natural resources.


The project will follow a progressive plan.

The inception phase will allow a smooth and efficient implementation of the Project. This consists of preparing all monitoring and management procedures as well as documents and organization of cost control procedures. A detailed Project planning will be established. Communication devices (brochure, Web site) will be prepared.  

The formation of the Project Advisory Committee (PAC) will provide guidance and advice to the Project team. The PAC will meet regularly during the implementation of the Project, and interact directly with the Project management team

The organization of an Opening Seminar will allow the stakeholders to meet a share their point of view on the conducting of the study.

The Study will start with a comprehensive Data Collection concerning topography, land use, natural resources, statistics on energy use, waste discharge, collection and disposal/treatment, statistics on water consumption, quality, treatment facilities, economic data (economic growth per sector, etc.). These data will be collected and analyzed, and serve as basis for the conduct of the feasibility study.

Demand Mapping will forecast as precisely as possible future demand trends for: electricity, cooling/heating, water, wastewater, solid waste, gas and fuel oil.

The Project Team will then study options for Energy, Water and Supply and Wastes and Wastewater Management. The team will review and analyze existing energy and water supply as well as waste and wastewater management facilities and identify options to meet the forecasted demand for energy.

Concerning the energy, the increase in future demand for electricity will necessitate increasing supply. There will be two options: increase capacity from mainland and add one more sub-marine cable to the already existing one, or install electricity generation capacity on Samui Island. This solution can be matched by the use of renewable energies. Every option will therefore be studied.

Concerning the water supply, the study will include the options of more efficient and rational operation of existing wells, as well as an analysis of utilizing excess energy either in the form of heat or electricity for fresh water production through desalination process.

Concerning waste and wastewater management, the objective is to find the most appropriate solutions for the island. The analyze of the present status of waste handling and exploring suitable options will lead to improve the current technological and organizational system.

A Preliminary Environmental Review will permit to assess the environmental impact of the different options proposed.  

Considering the different options, European partners will review the different technology needs and then assess and identify technology transfer opportunities for European suppliers.  

The success of the Project will strongly depend on the degree of response and involvement of the final beneficiaries. Regular public relations and consultation will thus be conducted throughout the whole duration of the Project through newsletter, interview with key players, Project’s Information Cell (through the Project’s web site), publication of Project’s reports (recommendations).

The Recommendation Reports will then be finalized and be discussed between the Team and PAC members, and prioritized. Modifications will be done to produce final recommendation reports.

A closing workshop will be organized to present the findings of the feasibility study to the concerned parties. Officials from the relevant ministries in Thailand will be invited as well as all the potential utilities concerned such as ASEAN countries with Islands, renewable facilities...

In addition, European and ASEAN suppliers/distributors of clean technologies will be invited to participate in the closing workshop. Business-to-business matchmaking meetings will be pre-arranged and organized. Suppliers will thus be able to initiate commercial and industrial partnerships.

The main outcome of this Project is precisely a detailed feasibility study report that will identify, document, and demonstrate the feasibility of projects in electricity supply, renewable energy, water supply, wastewater treatment and solid waste management. Relevant suppliers of clean technologies will also be identified. Investment decision-making will thus be facilitated for the concerned utilities.

VTT Technical Research Centre of Finland is a contract research organization involved in many international assignments. With its 2800 employees, VTT provides a wide range of technology and applied research services for its clients, private companies, institutions and the public sector.
Turnover is about 210 million euros. We serve annually over 5000 domestic and foreign customers.

Since its establishment over 60 years ago, VTT has become an important centre of technological expertise and developer of new technologies. The development path of Finland as a whole as well as the events and phenomena of each era are reflected in VTT’s history. It reveals one of the keys to VTT’s success: the organization has always been able to meet challenges by adapting to changes in its environment.


Energy Consulting Network ApS (Ltd.) is a Danish company of energy consultants and planners, established in April 2000, with a worldwide network of contacts with other energy experts. The main objective of the network is to make a professional contribution to the dissemination of sustainable energy and environmental systems. We have the expertise and the experience to provide assistance at every stage of the process in energy and environmental projects, from strategy development to the actual commissioning of organizational and technical measures. We are experienced in working closely together with local partners in the individual countries, and in finding solutions which take the particular local economic, political, geographical, environmental and cultural conditions into consideration.

The partners behind the firm are all experienced senior consultants, with from 10 to 20 years of professional experience in the fields of energy and the environment. The partners in ECNetwork together form a highly experienced group of energy planners, financial experts, policy advisors, management consultants and technical experts. The company is in a position to bring in various other kinds of experts from our international network of contacts comprising various institutions and consultants. ECNetwork is thus able to put together multidisciplinary teams, and to analyze complex energy and environmental problems.



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