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This infographic, "Our Elec-tree-city," illustrates how Indonesia's current reliance on fossil fuels—accounting for 87% of its electricity—directly impacts national development and drives climate change. To address these challenges, the CASE project outlines five strategic pillars for reform: providing long-term investment certainty for renewables, enhancing system flexibility, safeguarding system adequacy, managing the retirement of carbon-intensive assets, and ensuring affordable electricity for all consumers. 

The Kamus Kosakata Transisi Energi (Energy Transition Terminology) is a specialized guidebook developed by the Project Clean, Affordable and Secure Energy (CASE) for Southeast Asia to support journalists, media professionals, and beginners in navigating the complexities of climate change and energy transformation. This resource provides clear definitions and illustrations for critical terminology—ranging from Adaptation and Resilience to technical concepts like AMDAL (Environmental Impact Assessment) and Biofuels—to ensure accurate and informative reporting. By bridging the gap between scientific knowledge and public discourse, the glossary aims to shift the narrative in Southeast Asia toward evidence-based energy transitions and higher climate ambitions in alignment with the Paris Agreement

This report explores how members of the Association of Southeast Asian Nations (ASEAN) can shift rapidly to a more sustainable growth model through investments that reduce pollution, enhance resource efficiency, and protect natural capital.

As the energy transition accelerates, questions of inclusion are moving from the margins to the center of the conversation. But while awareness of gender in energy has grown, progress in translating that awareness into action and structural change remains limited. In this conversation, Peter du Pont of SIPET Connect speaks with Ellen Bomasang, a long-time energy and development practitioner, about how her work in the energy sector has evolved, and what it will take to move from token inclusion to a transition that is just and equitable by design.

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SIPET Connect: Let’s start with your journey: how did you get into the energy sector, and how has your work evolved since you started in the early 1990s?

Ellen: I’ve been working in energy since 1992, straight out of college. I started at the Philippine National Oil Company, first with its petroleum subsidiary, Petron, and then in geothermal. After that, I pursued graduate studies in Japan in public policy, focusing on energy. And then I worked at the Institute of Energy Economics, Japan.

That’s where I was first assigned to work on renewable energy. My first assignment was a a JICA-funded solar project in Zimbabwe. At the time, solar wasn’t considered mainstream at all; it was mostly seen as something for off-grid communities. Coming from work on oil and geothermal energy, that was a completely new perspective for me.

Over time, I’ve seen renewables evolve from something niche and expensive into a mainstream source of power. Along the way, my work has spanned policy, finance, project design, and community engagement, but what has really stayed with me is the focus on access and equity, especially in rural and underserved communities.

And I think that’s where gender naturally comes in. When you’re working on access and community-level energy systems, you start to see very clearly that women and men experience energy very differently, and that those differences are often not reflected in how programs are designed.

SIPET Connect: You’ve also moved across different roles, geographies, and sub-sectors. How did you navigate that without getting locked into one track?

Ellen: It wasn’t automatic, I had to be quite intentional about it. When I moved to the U.S., I was working with International Resources Group, but they weren’t doing much in off-grid renewables, which was what I was most interested in. So, I actively looked for opportunities and moved to Winrock International, where I stayed for about 14 years.

SIPET Connect: Yes, and that’s where you and I first met and worked together—on the USAID Eco-Asia Clean Development and Climate Program, back in 2006, where I was leading the regional effort and you were running teams in Indonesia and Vietnam.

Ellen:  That’s right, this was the first large regional USAID program covering all of Asia and focusing solely on clean energy. During my time at Winrock, I did a lot of work on household energy, electrification, and community engagement, and it’s also where I started working more directly at the intersection of gender and energy.

After a while, though, I started feeling a bit pigeonholed into Asia-focused work. I wanted to branch out, both geographically and in terms of the types of roles I was taking on. So, I moved on, which led to more senior roles and opportunities to work in sub-Saharan Africa, Latin America, and the Middle East.

For me, it was really about actively seeking out new spaces rather than waiting for them to come.

SIPET Connect: The idea of a “gender-just energy transition” has gained traction in recent years. How have you seen the conversation on gender in energy evolve over time?

Ellen: Earlier, the conversation was much more about inclusion in a general sense. This is what we often referred to as a “just transition”—meaning not leaving anyone behind.

What I’m seeing now is a more intentional recognition that women and other marginalized groups have different needs, different perspectives, and face different structural constraints. It’s not just about including them, but also about understanding those differences and designing systems accordingly.

In countries that are actively pursuing this, you see efforts to increase women’s participation in renewable energy jobs, to promote STEM education for girls, and to embed gender considerations into policy and resource allocation. There’s also more focus on access, making sure energy services are equitable and actually address the burden of energy poverty.

It’s becoming more deliberate, but there’s still a long way to go in terms of implementation.

SIPET Connect: Your doctoral research looks at women of color in international development. What led you to focus on that?

Ellen: It was really inspired by my own experiences, as well as those shared by colleagues. My research looks at how women of color experience power, oppression, and privilege within the sector.

I focused on energy, which is still very male-dominated, and the health sector, which is more diverse, to draw some comparisons. I conducted in-depth interviews with women of color and also spoke with practitioners from different backgrounds to get a fuller picture.

What comes through very clearly is that there are multiple layers of barriers, and they’re not always visible in the way organizations think about inclusion.

SIPET Connect: From your experience, what are the most persistent barriers that hold women back in the energy transition?

Ellen: There are quite a few, and they tend to reinforce each other.

Education and skills are a big one. Women are still underrepresented in technical fields, and that carries through into the workforce. Even in renewables, representation is only around 30 percent globally, and lower in the broader energy sector.

Then, there’s how the labor market is structured. Technical, field, and leadership roles are still dominated by men, and hiring often relies on networks that women don’t have the same access to.

There are also structural biases in policies and institutions. Even when things appear neutral, they often don’t account for realities like caregiving responsibilities, which affect women disproportionately.

Time poverty is another factor. Women are still managing multiple roles, childcare, household responsibilities, and in some contexts fuel and water collection, which limits their ability to participate in training, employment, or entrepreneurship.

And there are social norms. In many places, technical roles are still seen as men’s work. I’ve seen programs where only men were recruited for technical training, even though women might have been more likely to stay and apply those skills locally.

Finally, workplace environments can be a barrier, especially in male-dominated settings where there may be safety concerns, lack of mentorship, or limited support systems.

SIPET Connect: What have you seen actually work in moving beyond awareness to real change?

Ellen: One of the biggest lessons is that it’s not enough to simply increase participation. That was the approach for a long time, train more women, include more women. and then consider the job done.

What works better is addressing the underlying structural issues. That includes changing hiring practices, creating mentorship opportunities, and improving workplace culture so that women can actually thrive once they enter the sector.

Engaging men is also critical. In some of the programs I’ve worked on, bringing men into the conversation, helping them understand how certain behaviors or norms affect their colleagues, has made a real difference.

There’s also a strong case for starting early. We’ve done work with girls at the middle school level, introducing them to engineering and technical careers and connecting them with role models. That’s often the stage where career aspirations start to take shape.

And something that’s often overlooked is leadership training. Many programs focus on technical skills, but women also need support in navigating workplaces, negotiating, and advancing into leadership roles. In one program in Nigeria, we trained over a thousand women in leadership skills, and it was very well received and later replicated elsewhere.

I believe it’s really about addressing the full spectrum, from education to workplace dynamics to leadership.

SIPET Connect: Is there a risk that gender remains treated as a side issue rather than being fully integrated?

Ellen: Yes, and I’ve seen that happen. When gender is treated as a separate track or an add-on, it can actually create resistance.

I remember working on a project in Mongolia where we included a gender track in an energy conference. Some participants questioned why it was there at all, saying there were more “serious” issues to discuss.

That reflects a broader challenge. Gender is often labeled as cross-cutting, but it’s not given the same weight as technical components. And when budgets are tight, it’s often the first thing to be cut.

Where it works better is when leadership takes it seriously. If the project lead or the funder prioritizes it and integrates it into the core design of the program, then it becomes part of how the work is done, rather than something separate.

SIPET Connect: How do you see the role of gender lens investing and related approaches evolving?

Ellen: There’s definitely more interest, but adoption is still uneven.

In some of the work I’m doing now, we’re trying to integrate gender considerations into procurement processes, for example, assessing companies based on how inclusive their workplace policies are. But even then, there’s a question of how many companies will actually meet those criteria.

The evidence is quite clear that more inclusive workplaces lead to better outcomes, but that hasn’t fully translated into widespread practice yet.

SIPET Connect: Finally, what is one key takeaway you would leave for practitioners working on gender and energy?

Ellen: The main takeaway is that this is not just about participation.

If the focus is only on adding women, without addressing the underlying structural and systemic barriers, then the impact will be limited. What’s needed is a more transformative approach, looking at how systems are designed, whether that’s financing, labor markets, or energy access, and making sure those systems enable women to participate meaningfully and benefit equally.

A gender-just energy transition is really about ensuring that women are not only included, but that they have equitable access to opportunities and a role in shaping the transition itself.

The ASEAN International Conference on Energy and Environment (AICEE) provides a platform for researchers to share their findings and exchange innovations to address energy challenges in the region. At its 5 edition in 2025, the conference adopted the theme “Sustainable Energy for ASEAN’s Prosperity: Innovation, Inclusivity, and Regional Cooperation.”

Following the endorsement of the ASEAN Plan of Action for Energy Cooperation (APAEC) 2026–2030 during the 43 ASEAN Ministers on Energy Meeting (AMEM) under Malaysia’s Chairship 2025, the 5 AICEE findings could serve as references to provide inputs and recommendations to regional energy policymakers in supporting a more inclusive, adaptive, and
evidence-based implementation of APAEC.

Southeast Asia’s transition is moving into a more practical phase: not just targets and announcements, but the work of making projects investable and preparing power grids to be ready to absorb more clean power. For the UK Foreign, Commonwealth & Development Office (FCDO), that means combining policy and technical assistance with development finance tools—and partnering with regional institutions to help move capital into real-world projects. 

In this conversation, Peter du Pont of SIPET Connect speaks with Sarah Love, who leads FCDO’s Climate, Energy and Nature Network in Southeast Asia. Sarah shares her views on a few areas where she is seeing traction: growing momentum behind the ASEAN Power Grid, the role of blended finance platforms like FAST-P, and why project preparation and coordination still matter as much as concessional funding. 

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SIPET Connect: To start, could you briefly describe what FCDO is doing in Southeast Asia on climate, energy and nature, and your role within this work? 

Sarah: FCDO is the UK’s foreign ministry, and it also leads on international development. So our mandate is about advancing UK interests overseas—and that includes our development work as well as our climate, energy and nature priorities. The Foreign Secretary sees climate and nature as central to our foreign policy objectives. We won’t be prosperous or secure without action on climate change, and that conviction underpins much of what we do across the region. 

In terms of priorities, our work spans three or four broad themes. Energy transition is one. Nature and nature-based solutions, particularly mobilizing finance for nature, are another. Then there’s adaptation and resilience, and finally, expanding access to sustainable finance. 

My role is to lead our climate, energy, and nature network in Southeast Asia. I manage a small team of experts based in Singapore and Indonesia, covering areas such as energy, industrial decarbonisation, green finance, carbon markets, nature, and marine biodiversity. We work closely with UK embassies and high commissions across Southeast Asia, alongside climate-focused colleagues in those posts, to deliver on these priorities with partners across the region.  

SIPET Connect:  If we zoom in on energy, could you share a couple of partnerships or initiatives you’ve been involved in, or are watching closely, that you think have been particularly effective in moving the needle on the energy transition in Southeast Asia? 

Sarah: On energy transition, our focus is really on scaling renewables, using our development finance instruments and technical assistance programmes to support that, and to mobilise private finance into the transition. 

But I also think grids and interconnectors are critical enablers. A lot of development partners are looking at the ASEAN Power Grid and how to get behind that initiative. The idea of extending and connecting the grid across the region has been around for a long time, since at least the early 1990s, but it genuinely feels like there’s real momentum behind it now. 

We’re doing a lot with the ASEAN Centre for Energy and with ADB to explore how we can mobilize UK expertise in support of that. The UK has a long track record of electricity trading with our neighbours, and deep expertise, particularly on the regulatory side. So, a key question is: how do you design the regulatory environment for the power grid in a way that incentivizes private investment into big, complex interconnector projects? 

We’ve been working with ADB on the design of a financing facility that could attract other partners and mobilize private capital. We’re also supporting a few front-runner projects—for example, working with ADB to support Sarawak Energy as it explores potential regional connections, including interest in a Singapore–Sarawak interconnector. 

Another example is FAST-P, where we’re working closely with Singapore. Last year, we committed £60 million to FAST-P through British International Investment (BII), the UK’s development finance institution1. FAST-P is Singapore’s blended finance facility, and BII invested in the pillar focused on marginally bankable projects, where catalytic and blended finance can help bring in more commercial investors. 

SIPET Connect: Staying with ASEAN Power Grid, why do you think the momentum has picked up so much in the past few years? 

Sarah: It’s a good question. There are a few angles. 

Electricity trading with neighbours can be beneficial for energy security. It gives you more options, and we’ve seen that in the UK. It can also help with affordability, because being able to buy cheaper electricity from neighbours can bring costs down. And from a climate perspective, grids are important for enabling more renewables to be integrated into the delivery of electricity. 

There’s also a demand-and-supply story across ASEAN. Some countries have more available clean energy resources, and others have higher demand. Singapore is a good example, so interconnection helps. 

And I do think the prioritization of the APG by the ASEAN Secretariat and ASEAN leaders has mattered. Having successive ASEAN chairs pick this up—Malaysia, the Philippines this year, and then Singapore looking ahead—creates continuity. This is long-term; it needs sustained political commitment. But you can see movement: a pipeline of interconnectors is being developed, land-based and subsea, for some of the more complex connections are moving through pre-feasibility and feasibility work. 

SIPET Connect: Can you explain a bit more, especially how partners are coordinating around APG projects? 

Sarah: Coordination and information sharing are a big part of it, because the space is fragmented. 

ADB has set up the Partnership for ASEAN Connectivity on Energy (or PACE), which is focused on the ASEAN Power Grid. It brings together a wide range of partners, including donors, MDBs, DFIs, commercial finance partners, and others, to look at specific projects and work through what’s needed to move them forward, The PACE platform helps to clarify who’s funding what, where support is available, and how to link efforts up more effectively. This kind of platform matters when the scale of the challenge is so big. We need to work together to use resources efficiently. 

SIPET Connect: There’s a lot of debate and discussion about blended finance. Many people say it’s promising, but it also is clearly slower than we need and appears to be hard to scale up. From your perspective, what needs to change to mobilise the amount of private capital that the energy transition requires in Southeast Asia? 

Sarah: I think the challenge is that there are lots of project ideas out there, and in theory there’s commercial capital looking for projects, but there’s a big gap in the middle where they’re not matching up. 

Concessional finance helps bring projects closer to commercial bankability. In Southeast Asia we’re still learning what works best, what structures are attractive to commercial partners, and what needs to be demonstrated. 

For me, it goes back to the full project development pipeline. It starts with the enabling environment, regulations and policy frameworks that make investment possible. Then you need support for project preparation, because there’s a real gap before you even get to concessional finance: the preparatory work to get projects ready for investors. 

And then you have early-stage finance, growth finance, and eventually commercial finance and public markets. From the UK side, we have instruments that target different stages. BII sits somewhere in the middle, but we also work through multi-donor platforms like PIDG (with tools like InfraCo and other facilities), as well as UK Export Finance, and initiatives like Mobilist, which operates in the public markets space, supporting companies that are close to listing but need a bit more support to get there. 

So, I agree, projects aren’t moving through the pipeline as quickly as we’d like. But there isn’t a single fix. It’s about putting support in place at multiple stages, across the whole project lifecycle. 

SIPET Connect: You touched on knowledge and coordination platforms earlier. What role do you think knowledge platforms like SIPET can play, especially as programmes evolve or end? 

Sarah: I completely agree there’s a need for strong knowledge platforms. 

SIPET’s project mapping work, understanding who is doing what across the region, is really valuable. The more we know about what others are doing, the easier it is to align efforts, collaborate, and draw out best practice, and also to understand where things haven’t worked, which is equally useful. 

Good, accessible data on policy changes, enabling environment challenges, investment trends, and examples of what’s going well can help build momentum. There’s also a role for sharing learning from initiatives like FAST-P, how these platforms are set up, what challenges they face, so it’s simpler for the next person trying to do something similar. 

Peer-to-peer learning matters too: connecting regulators and practitioners, and bringing in expertise, including private sector expertise, whether that’s on the ASEAN Power Grid, storage, or other parts of the transition. The UK’s transition away from coal over the last decade has been steep, and there are lessons there as well. 

SIPET Connect: Before we wrap, when you look ahead a few years, what would “success” look like for FCDO’s climate and energy work in Southeast Asia? 

Sarah: For me, success looks like accelerated deployment of renewables, real action on the ground at scale, and clear progress on the ASEAN Power Grid, particularly seeing some of the ambitious front-runner interconnector projects move forward. 

Then there’s mobilizing finance. This means seeing concessional instruments catalyze more commercial capital, with investors feeling more confident about backing climate-focused, nature-positive projects. 

And finally, stronger regional cooperation, donors, MDBs and others finding ways to work together more effectively. In the current climate, that’s what we all need to do. 

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1. https://www.bii.co.uk/en/news-insight/news/british-international-investment-commits-60-million-to-green-investment-partnership-to-close-the-climate-finance-funding-gap-in-south-east-asia/  

This policy paper provides a comprehensive overview of no-regret uses of hydrogen in Thailand’s energy transition. It outlines global trends in hydrogen development, examines the role of climate-neutral hydrogen in achieving a net-zero future in Thailand, and identifies priority applications for the energy sector where hydrogen can deliver clear and strategic value. The paper also presents policy recommendations to guide Thailand’s hydrogen deployment in the energy sector (power generation, industrial, and transport) in a cost-effective, secure and competitive manner.

This ASEAN Energy in 2026 is the latest edition of one of the flagship reports by ACE. Since 2022, the annual ASEAN Energy series analyses the key insights into Southeast Asia's energy landscape each year.