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Indonesia Geothermal Power Plant Overview

Geothermal Powerhouse: Indonesia’s Booming Green Giant

Indonesia isn’t just known for its stunning landscapes and vibrant culture; it’s also a geothermal energy powerhouse! 

Nestled on the Ring of Fire, the country boasts the world’s largest estimated geothermal potential, with a whopping 23.7 gigawatts (GW) across 300 identified sites. That’s like harnessing the power of over 23 million homes!

Leading the Charge:

Despite its immense potential, Indonesia currently utilizes only a fraction of its geothermal capacity, ranking second globally with 2,130.7 MW of installed capacity. But the country is on a mission to change that. The government has ambitious plans to triple its geothermal capacity within the next decade, driven by:

  • Energy Security: Geothermal offers a reliable, baseload source of power, crucial for a rapidly growing economy like Indonesia’s.
  • Environmental Sustainability: Unlike fossil fuels, geothermal energy is clean and renewable, reducing greenhouse gas emissions and air pollution.
  • Economic Opportunities: The sector attracts significant foreign investment and creates high-skilled jobs.

Challenges and Opportunities:

While the future looks bright, challenges remain. High upfront costs, complex exploration and development processes, and land acquisition issues can hinder progress. To overcome these hurdles, Indonesia needs:

  • Streamlined regulations and licensing procedures to expedite project development.
  • Enhanced financial incentives to attract more investments, particularly for exploration and drilling.
  • Technology innovation to improve efficiency and reduce costs.
  • Community engagement to ensure local communities benefit from the development and address concerns.

The Path Forward:

Indonesia’s geothermal journey is an inspiring story of potential and progress. With continued commitment from the government, industry, and international partners, the country can unlock its geothermal potential and become a true leader in clean and sustainable energy production, not just for itself but for the entire region.

Indonesia Geothermal Power Plant Overview

Geothermal Power Plants in Indonesia: A Booming Green Energy Landscape

Indonesia’s geothermal power sector is one of the fastest-growing in the world, thanks to its abundant geothermal resources and commitment to clean energy. Here’s a list of some of the major geothermal power plants in Indonesia, along with their capacities:

Java Island:

  • Kamojang Geothermal Power Plant: Located in West Java, Kamojang is the oldest and largest geothermal power plant in Indonesia with a total capacity of 377 MW. It consists of several units, the first of which started operating in 1983.
  • Darajat Geothermal Power Plant: Also in West Java, Darajat has a total capacity of 243 MW. It’s known for its innovative binary cycle technology, which utilizes lower-temperature geothermal resources.
  • Salak Geothermal Power Plant: Situated in Central Java, Salak has a capacity of 140 MW. It’s known for its scenic location, surrounded by mountains and rice paddies.
  • Dieng Geothermal Power Plant: Located in Central Java, Dieng has a capacity of 60 MW. It’s one of the highest geothermal power plants in Indonesia, situated at an altitude of over 2,000 meters.
  • Karaha Geothermal Power Plant: Located in West Java, Karaha has a capacity of 30 MW. It’s the first geothermal power plant in Indonesia to be built by a private company.

Sumatra Island:

  • Sarulla Geothermal Power Plant: Located in North Sumatra, Sarulla has a capacity of 330 MW. It’s the largest geothermal power plant outside Java and plays a vital role in powering the island’s electricity grid.
  • Ulubelu Geothermal Power Plant: Located in Lampung, Ulubelu has a capacity of 110 MW. It’s known for its advanced technology and environmental sustainability practices.
  • Lumut Balai Geothermal Power Plant: Located in South Sumatra, Lumut Balai has a capacity of 110 MW. It’s one of the newest geothermal power plants in Indonesia and plays a key role in meeting the growing energy demand in the region.

Beyond Java and Sumatra:

  • Lahendong Geothermal Power Plant: Located in North Sulawesi, Lahendong has a capacity of 80 MW. It’s the first geothermal power plant in Eastern Indonesia and serves as a model for future development in the region.
  • Wayang Windu Geothermal Power Plant: Located in West Java, Wayang Windu has a capacity of 50 MW. It’s known for its unique flash steam technology and its contribution to rural electrification.
Indonesia Geothermal Power Plant Overview

Table of Geothermal Power Plants in Indonesia

Geothermal Power Plants in Indonesia (as of January 15, 2024)

Island Power Plant Capacity (MW) Year Initiated Key Features
Java Kamojang 377 1983 Oldest & largest, multiple units
Java Darajat 243 Innovative binary cycle technology
Java Salak 140 Scenic location, surrounded by mountains
Java Dieng 60 High altitude (2,000+ meters)
Java Karaha 30 First private-built geothermal plant
Sumatra Sarulla 330 Largest outside Java, powers North Sumatra
Sumatra Ulubelu 110 Advanced technology & environmental focus
Sumatra Lumut Balai 110 New plant, supports regional energy demand
Sulawesi Lahendong 80 First in Eastern Indonesia, model for future projects
Java Wayang Windu 50 Unique flash steam technology & rural electrification

Notes:

  • Capacities may vary depending on source and recent updates.
  • Year initiated information not readily available for all plants.
  • Key features provided are highlights; additional details may exist for each plant.

This is just a glimpse of the extensive geothermal power plant landscape in Indonesia. With continued investment and development, Indonesia is poised to become a global leader in clean and sustainable energy production.

Key Takeaway:

  • Indonesia sits on a massive geothermal treasure trove, but only a fraction is tapped.
  • Ambitious plans aim to triple capacity within a decade, driven by energy security, environmental benefits, and economic opportunities.
  • Challenges remain, including regulations, financing, technology, and community engagement.
  • Overcoming these hurdles can make Indonesia a global geothermal leader and a beacon for clean energy.

https://www.exaputra.com/2024/01/indonesia-geothermal-power-plant.html

Renewable Energy

New ACORE Investor Survey Report Kicks Off 2026 Finance Forum

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New ACORE Investor Survey Report Kicks Off 2026 Finance Forum

New York City, NY –  A new report from ACORE shows that clean energy investors and developers largely plan to increase their investments in 2026 but cite policy, regulatory, and interconnection uncertainty as the biggest risks to their investment strategy after this year.  

In its Navigating Uncertainty: Clean Energy Investment Trends (2026-2029) report, ACORE shares market sentiment analysis gathered from surveys of 36 leaders at U.S. and multinational companies that invested billions in the U.S. clean energy market in 2025.

Topline takeaways from the report include:

  • Respondents identified federal regulatory and policy risks and interconnection uncertainty and costs as the top risks facing clean energy investments. 
  • Capital providers continue to view utility-scale solar and energy storage as the two most attractive clean energy technologies for investment.  
  • Despite declining attractiveness of the U.S. as a venue for clean energy investment compared to previous years, respondents said they plan to develop and finance more American clean energy projects in 2026 than they did in 2025. 
  • Policy and investment uncertainty clouds the trajectory post-2026, with the potential for additional roadblocks to financing and developing clean energy infrastructure. 

This report complements the Clean Energy Investment Trends report released last month that S&P Global prepared for ACORE.  

“ACORE’s recent reports highlight a common thread: the U.S. clean energy sector remains capitalized and ready to help deliver electricity reliability and affordability for American consumers,” said ACORE President and CEO Ray Long. “Our sector is thriving and poised to meet this moment of significant electricity demand growth, but investors and developers need policy certainty to deliver on this critical infrastructure for American energy security.”

ACORE released the report at its annual Finance Forum in New York City today and discussed the takeaways during the opening panel with ACORE Senior Vice President for Policy Lesley Hunter, Avangrid CEO Jose Antonio Miranda, and S&P Global CERA Consulting Director Christopher Wilfong.

Please email communications@acore.org if you’d like to view the recording of the first panel or set up an interview with ACORE about the report. Register here to tune in to the other panels. 

ACORE will host a member-only webinar to discuss both reports on May 21, 2026. Learn more about becoming an ACORE member here.  

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About ACORE:
ACORE is a nonpartisan nonprofit organization that operates at the intersection of affordability, reliability, and clean energy deployment. Our work is focused on stabilizing energy prices, strengthening the electric grid, and driving investment in cost-effective technologies to ensure that clean energy delivers for people, businesses, and the U.S. economy.

ACORE’s membership includes clean energy investors, developers, energy buyers, power generators, manufacturers, and energy providers.  In 2024, nearly 80% of the booming utility-scale domestic clean energy growth was financed, developed, owned, equipped, or contracted by ACORE members.

Media Contacts:

Chris Higginbotham 
higginbotham@acore.org  
 
Sophie Stover 
communications@acore.org 

The post New ACORE Investor Survey Report Kicks Off 2026 Finance Forum appeared first on ACORE.

https://acore.org/news/new-acore-investor-survey-report-kicks-off-2026-finance-forum/

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Renewable Energy

ICE Terrorizing Americans

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As shown at left, we still have judges who are fighting to prevent the United States from becoming a fascist nation.

I remain amazed that there aren’t more deaths associated with masked ICE agents attempting to arrest people, especially in their homes.  Imagine this:

An American, say John Doe, has a loaded shotgun in his home office closet, where he’s writing blog posts, or whatever.

A masked man, visibly armed, with no warrant for his arrest rings the doorbell and tells his wife who’s answered the door, that he’s there for John.

John overhears the conversation, takes his gun, walks down the hallway, swings around toward the front door, and puts a hole in the intruder’s chest the size of a grapefruit.

Again, I can’t imagine why there isn’t more blood spurting out of the bodies of masked terrorist thugs operating illegally.

ICE Terrorizing Americans

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Renewable Energy

Ayn Rand Is No Longer a “Thing” — Here’s Why

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A reader asks:

Isn’t it time for the Libertarians to cast aside the whole myth of objectivism championed by Ayn Rand? She said we should be realists, so let’s be real and see her for who she really was … a women who when she got sick, and push came to shove, cashed the checks.

To put this into perspective, Ayn Rand:

Was a considerable “thing” in the mid-20th Century.  I was one of millions of young people who read “Atlas Shrugged” and “The Fountainhead,” and accepted libertarianism at the time.

Her way of thinking evaporated, for most of us anyway, when we realized that unbridled greed was eventually going to cause the demise of humankind on this planet.

The actual root cause of this demise was unclear, but as the years passed, environmental collapse became the prime suspect.  Rich people obviously couldn’t care less about climate change, ocean acidification, loss of biodiversity, or desertification.

Ayn Rand Is No Longer a “Thing” — Here’s Why

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