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6 Mwp Temburong Solar Pv Project Yield And Levelized Cost Analysis, February 2015

Executive Summary

This study is being carried out as part of the support BNERI is extending to all stakeholders who are interested to invest and contribute to the deployment of renewable energy technologies in Brunei Darussalam. BNERI is at present supporting the Energy Department at the Prime Minister’s Office in establishing an energy policy and regulatory framework to achieve the long-term target set by the Energy White Paper to generate 10% of the total power supply from renewable energy in 2035. Currently, a feed-in tariff policy and/or net metering are being considered for distributed renewable power generation while a reverse auction policy for utility scale renewable power production.

As a background of this study, EDPMO, UBD-IBM and BNERI are conducting technical and policy studies to develop an alternative for diesel power generation in Temburong District. Temburong is an isolated district of Brunei Darussalam that relies mainly on diesel fuel- based power generation. The district’s peak demand amounts to more than 6 MW in 2014 and that the fuel consumption of the Belingus power plant reaches more than 10 million liters per year. The power plant consist mainly of 12 MW (4 x 3 MW) Mirrlees and Blackstone K Major diesel power plant. The generating units are relatively old (more than 20 years old) and that the Department of Electrical Services (DES) ensures that 3 units are available for dispatch at any given time while 1 unit is undergoing repair and maintenance.

UBD-IBM has conducted a technical study for integrating solar PV power generation in the Temburong micro-grid focusing mainly on the static stability and reliability of the system. The study results indicated that the maximum solar PV power plant capacity that could be accommodated by the system amounts to only 6 MW by 2020. The study however takes into account that the Temburong power system would remain an isolated grid. The completion of the Brunei Muara-Temburong Bridge in 2018 may change the whole landscape since an interconnection of Temburong district to the national grid has been integrated in the planning and development of this transport link. 

6 MW Solar PV Temburong_Draft_v1.pdf