Our Project Credentials

Since our establishment in 1996, we have conducted more than 100 assignments in Indonesia and throughout Asia, including high profile, multi-year assignments valued at over USD 8 million. The firm has served clients in a dozen countries throughout the Asia-Pacific region, including multilateral agencies, such as The World Bank and the Asian Development Bank (ADB), Bilateral agencies such as AFD, DFID,KfW and USAID, State-owned enterprises and Multinational corporations.

type of clients
Projects Size

Determining the Value of the proposed Indonesia Upper Cisokan Pumped Storage Hydroelectric Power Project

Project size


The Upper Cisokan Pumped Storage (UCPS) Hydroelectric Power Project will be Indonesia’s first pumped storage project, with total generating capacity of 1,040 MW. The World Bank together with AIIB served as primary funders of the project via large scale sovereign lending facilities to PLN. From 2020-2021, Castlerock, together with its subcontractors ECA and Quadran,...

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2020-2022 |

Supporting Sustainable and Efficient Energy Policies and Investments in Indonesia (SSEEPI)

Project size


Under ADB TA 9777-INO from 2020 until 2022, Castlerock provided the Team Leader for the assignment and was responsible for overall delivery of the project. He provided technical inputs for the PBL component, particularly related to the presidential regulation on renewable energy, led the design and implementation of the solar park component, and prepared...

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2020 |

Sustainable Infrastructure Assistance Program Phase II – Supporting Sustainable and Universal Electricity Access Phase 2 – Climate Change and Carbon Market Specialist

Project size MEDIUM


Under ADB Sustainable Infrastructure Assistance Program Phase II – Castlerock, in 2020, supported PLN in assessing the impact of the future carbon caps and trade regime to its current operation. Under its scope of work, Castlerock conducted:  A review of the existing Indonesian policies and existing studies concerning GHG emission and carbon market that...

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2020-2023 |

KfW Independent Verification Agent for Sustainable Energy Access in Eastern Indonesia – Electricity Grid Development Program for Sulawesi and Nusa Tenggara

Project size LARGE

Sulawesi and Nusa Tenggara

KfW engaged Castlerock to serve as the Independent Verification Agent (IVA) for monitoring and evaluation of the grid strengthening projects carried out under Results-based lending (RBL) which is a performance-based form of financing, where disbursements are linked to the achievement of results. RBL disbursements are made on the basis of independent verification of performance...

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