STATUS REPORT SWG SO by PLN HAPUA MEETING WORKING GROUP 2 – TRANSMISSION SUB WORKING GROUP– SYSTEM OPERATION 6th Oct 2010, Kuala Lumpur - Malaysia

Last Meeting Results (Bandung, March 2010) : 1.Approved action plan of the sub working group 2.Approved indicators for benchmarking system operation performance 3.Grid code and/or system overview presentation of some member countries: Brunei, Cambodia, Lao PDR, Myanmar, Vietnam. Previous Meeting Results (Bogor, January 2009): 1.Adoption of Term of Reference of SWG – SO 2.Agreed Action Plan of the sub working group 3.General outline of Grid Code from Indonesia, Malaysia and Thailand which were presented in the last meeting Highlight of Last SWG SO Meetings

Lao PDR agreed in principle to host the next Meeting of SWG SO on February 2011 (Malaysia as alternative host). Exact date and venue will be confirmed later upon approval by the management of EDL or TNB before the end of June The approved system operator performance indicator will be shared among members through Power System Operator Workshop (PSOW). Other topics to be presented in PSOW will be discussed in the mail list. Myanmar has been offered the opportunity to be the host of PSOW, but last PSOW has been carried out in Thailand on September Other Results of Last Bandung Meeting Next Meeting Venue

Progress Status of Action Plan – SWG SO NoAction PlanInitiativesDeliverablesMilestoneProgressCountry In Charge 1To look at other interconnected utilities guidelines, for example NERC, EU and then determine the relevant references for ASEAN Mailing List Discussion Survey Form2010On going, active discussion among members Thailand Technical Meeting Draft of Guideline Criteria 2011 Not StartedThailand 2Formulate the common reference guide for system operation practices and standards among ASEAN utilities. Technical Team Meeting Draft of Guideline Criteria 2011Not StartedThailand 1st Version of Guideline Criteria 2012Not StartedThailand 3Establish criteria for the benchmarking of system operations performance among ASEAN countries and report them annually. SWG SO Meeting Approved benchmark criteria 2010Approved by members Annual Report for the purpose of benchmark. AnnuallyIn ProgressAll Countries

NoAction PlanInitiativesDeliverable s MilestoneProgressCountry In Charge 4Routine works during the year : Annual 4.1 Exchange ideas, information and technology computer systems, database system and other equipment that are employed in order to peform system operation Technical Meeting and PSOW AnnualPSOW in Thailand on 27 – 29 Sep 2010 Thailand 4.2 Exchange experiences and techniques in system control and operation PSOWAnnualPSOW in Thailand on 27 – 29 Sep Study relevant matters concerning system operation, relevant to the interconnections Technical Team Meeting AnnualNot StartedTBA 4.4 Exchange interconnection- related system data among utilities subject to a non disclosure agreement Bilateral/multi -lateral agreement AnnualThere are some bilateral agreement have been signed such as TNB-SP and TNB- EGAT Related Members 5Meet annually or as appropriate to deliberate the agreemnent on common performance standards and related reports. Technical Meeting Not Started SWG SO Meeting Progress Status of Action Plan – SWG SO

NoAction PlanInitiativesDeliverablesMilestoneProgressCountry In Charge 6Organise Power System Workshop (PSOW) annually. Technical Meeting PSOW June 2010Held in Thailand on 27th – 29th Sep 2010 Thailand as a host of Support the interconnection project in terms of development of system operation reference or codification of best practices for connection of new facilities operations,metering and dispatch. Technical Team Meeting 8Other activities recommended by HAPUA SWG SO Meeting No new requests from HAPUA Progress Status of Action Plan – SWG SO

Following completion of AIMS II Report, then WG No 2 Transmission would focus on other tasks assigned by HAPUA Working Committee but not yet started : SWG SO is expected to do the following tasks: 1.Formulate the 1 st draft of common reference guide for system operation practices and standards among ASEAN utilities 2.Annual report of operational performance indicators Way Forward

Thank You