Renewable Energy


Castlerock has advised some of the largest energy and infrastructure companies in the world on the Indonesian renewable energy market, including opportunities, risks and entry strategies. These assignments typically entail comprehensive review of the current and expected future regulatory and investment environment, analysis of economic competitiveness of the target renewable energy technology, and assessment of market size. Castlerock has worked with investors and financial institutions to conduct pre-feasibility studies for specific renewable energy projects in Indonesia and elsewhere in Asia-Pacific, as well as more detailed project preparation, including technical, social, environmental and financial evaluations. Over the past 10 years, Castlerock has worked closely with governments and international agencies to prepare renewable energy policies and regulations. These assignments have covered wind, photovoltaic, hydro, biomass and geothermal power generation.

Planning, Regulatory Support and Policy Development
  • Effective infrastructure policies and regulations balance considerations of economics, finance, engineering, law and politics. dedisse scripsisse iudicaretur.
  • We excel at mobilizing and leading the multidisciplinary teams required to prepare sound policies and regulations.
  • And we understand the mechanics of stakeholder consultation, risk allocation, direct & contingent government support, PPP modalities, pricing frameworks, and procurement that lie at the heart of infrastructure policy and regulations.
Business Strategy and Market Assessments
  • We help energy companies create and adapt their corporate strategy to changing business conditions.
  • We have advised start-up renewable energy companies as well as mature utilities with more than USD 10 billion in revenue.
  • Our approach to strategy formulation starts with discussions with key stakeholder groups to understand various views and objectives for the future of the organization, assesses options for positioning along the value chain.
Corporate Strategy and Utility Operational Improvement
  • Our institutional development work in the energy sector entails organizational design as well as capacity building of government agencies to help them achieve policy objectives.
  • Our approach emphasizes accountability, so that organizations and positions have clear authority, the knowledge and resources to exercise that authority effectively, unambiguous performance metrics and incentives commensurate with their performance.
  • We also work with governments to prepare and implement programs for internal, bilateral or multilateral funding to support policy and regulatory objectives.
PPP Project Preparation and Investor Support, Due Diligence and Financial Advisory Support
Castlerock works with clients to screen and prepare infrastructure projects procured on a Public Private Partnership (PPP) basis and to support specific PPP infrastructure financing transactions. Our services include :
  • Due diligence for lenders and investors
  • Preparation of tender documents and procurement management
  • Financial analysis support for bidding and negotiations
  • Risk analysis and project structuring
  • Market sounding and support for the preparation of information memoranda
  • Market assessments and demand studies for particular projects or business strategy formulation
Government Investment Project Preparation including Feasibility Studies
Castlerock works with government clients to screen and prepare infrastructure investment projects for government implementation including technical, market and financial analysis.

Our Latest Projects for Renewable Energy

2025 - 2026 | RENEWABLE ENERGY
Project Preparation of Green Climate Fund (GCF) Funding Proposal Package. Climate Financing Facility to Support Energy Transition in Indonesia
Project size SMALL

Jakarta

PT SMI assigns Castlerock to help with preparing the Funding Proposal Package in accordance with the needs of the GCF by producing the first output, i.e. “carrying out contextual analysis and program preparation. Castlerock will work closely with PT SMI and its partners to carry out Program preparation activities included in the PPF GCF...

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2025 | RENEWABLE ENERGY
Research Consultant for Alternative Renewable Energy Procurement Strategy for PT PLN to Accelerate Renewable Energy Deployment for Power Sector Transition
Project size SMALL

Jakarta

IESR selected Castlerock to develop complex and thorough technological assessments. This study is designed to support the Government of Indonesia—particularly PT PLN and the Ministry of Energy and Mineral Resources (MEMR)—in identifying, assessing, and designing alternative procurement strategies that can accelerate the deployment of renewable energy. Indonesia’s existing procurement framework, while functionally established, has...

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2025 - 2026 | RENEWABLE ENERGY
ASEAN-UK Green Transition Fund Enabling ASEAN Clean Power and Resilient Grids
Project size LARGE

ASEAN

The Castlerock team provides support to the project manager, expert support on all tasks and local experience as well as GEDSI and MEL expertise throughout the duration of the project. The tasks includes: Conduct research on alternative uses of young Coal-Fired Power Plants (CFPPs), identifying case studies of repurposing grid connections and exploring partnership...

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2025 - 2026 | RENEWABLE ENERGY
ASEAN-UK Green Transition Fund ASEAN Carbon Pricing Mechanism Study and Simulation
Project size LARGE

ASEAN

Castlerock brings its strong regional presence and broad experience to the project, playing a pivotal role in project management and addressing potential gaps that may arise during project implementation. With a proven track record in developing operational guidelines, conducting feasibility studies, and formulating policies for novel projects across various sectors throughout the region, Castlerock...

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2025 | ELECTRICITY TRANSMISSION, DISTRIBUTION & GENERATION
Research Consultant for Technological and Operational Optimization Study to Achieve Flexible Coal-fired power generation within a Flexible Grid System in Indonesia – Green Energy Transition Indonesia (COAL FLEX) GETI 2
Project size SMALL

Jakarta

Castlerock conducted research on Technological and Operational Optimization Study to Achieve Flexible Coal-fired power generation within a Flexible Grid System in Indonesia, as summarized below: Conduct a technical evaluation of all current coal-fired power plant specifications in Indonesia. Identify modifications required to improve ramp-up/ramp-down rates, start-up/shut-down times, and reduce minimum load. Propose retrofitting solutions...

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