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RMA assisted State Electric Company Limited (STELCO) to assess medium voltage protection coordination settings of the existing medium voltage network in Malé and Hulhumalé to improve network reliability, and to identify required changes in protection schemes to interconnect the existing network with under construction 132 kV network. Capacity building of STELCO on network modelling was carried out as part of the assignment.

Information such as network configuration, cable sizes and lengths, relay models, current transformer ratios, generator parameters, transformer loadings and generator operating patterns, future expansion plans were obtained from STELCO. The existing 132 kV and 11 kV networks in Malé and Hulhumalé were modelled in detail in DIgSILENT PowerFactory software to obtain fault levels at each ring main unit. Using simulated fault levels and other information, relay settings were calculated for the sectionalizing points proposed by STELCO. A capacity building program on power systems modelling was carried out for STELCO engineers covering introduction to network planning and planning software, steady-state analysis, contingency analysis, short-circuit criteria analysis, and frequency stability analysis.

The PUCSL appointed RMA to conduct a study to determine technical and economic impacts of integration of rooftop solar PV into distribution and transmission networks of Sri Lanka, estimate the short term and long term economic impact to Sri Lanka with different levels of rooftop solar PV integration, recommend how to minimise if any negative economic impacts due to integration of rooftop solar PV in large scale, and direct relevant authorities to establish suitable processes and introduce regulatory tools to optimise integration of rooftop solar PV in the country.

RMA evaluated the performance of the Bangladesh Power System Expansion and Efficiency Improvement Investment Program funded by the Asian Development Bank at the project completion. The project completion report was prepared comparing planned and actual project scope and disbursements; reevaluating economic and financial benefits; and describing issues, lessons learned, and recommendations.

About This Project

A Sri Lankan renewable energy developer is planning to develop a 20 MW solar photovoltaic (PV) power plant in Myanmar. RMA conducted a pre-feasibility study for the proposed power plant. Assessment of solar resource, preparation of conceptual design, capacity optimization, studying grid interconnection options and assessing financial viability were covered in the pre-feasibility study.

About This Project

With the objective of developing solar PV systems to generate electricity for the use of its cement manufacturing facilities in South Vietnam, Siam City Cement (Vietnam) Limited (INSEE) initiated a procurement process for solar PV systems. RMA was engaged by INSEE to assist in preparation of bid documents and to oversee the bidding process. A Request for Proposals (RFP) was prepared by RMA. RMA provided recommendations after evaluating technical and financial aspects of received bids.

RMA provided consultancy services to Asian Development Bank (ADB) to conduct due diligence of Dhaka and Western Zone Transmission Grid Expansion Project. The total project cost is $ 730 million and the debt component will be cofinanced by ADB and Asian Infrastructure Investment Bank (AIIB). Under this Project Power Grid Company of Bangladesh (PGCB) will construct 15 substations (400/230 kV, 230/132 kV, 230/22 kV and 132/33 kV), 12 transmission lines (392 km) and 10 Line-In Line-Out connections (16 km).

RMA conducted the technical, economic and financial assessment of each project component. A Resettlement Plan and an Initial Environmental Examination (IEE) report were prepared covering social and environmental safeguard due diligence.

Iluka Lanka Resources Ltd. (Iluka) is studying the infrastructure requirements for development of the Puttalam Quarry deposit to facilitate extraction of Ilmenite. The high voltage infrastructure including power supply source and the interconnection facilities is a key element of this project.

RMA conducted a pre feasibility for Iluka to assess the technical and financial feasibility of available grid connection options as well as alternative electricity supply options including relevant regulatory provisions for investment sharing and licensing. The conceptual design including detailed cost estimates were provided for the selected grid connection option.