Cambodian mega dam’s resurrection on the Mekong ‘the beginning of the end’
"Severe heat and droughts are wreaking havoc across the globe"
by Gerald Flynn, Nehru Pry on 15 September 2022
* Cambodian authorities have greenlit studies for a major hydropower dam on the Mekong River in Stung Treng province, despite a ban on dam building on the river that’s been in place since 2020.
* Plans for the 1,400-megawatt Stung Treng dam have been around since 2007, but the project, under various would-be developers, has repeatedly been shelved over criticism of its impacts.
* This time around, the project is being championed by Royal Group, a politically connected conglomerate that was also behind the hugely controversial Lower Sesan 2 dam on a tributary of the Mekong, prompting fears among local communities and experts alike.
* This story was supported by the Pulitzer Center’s Rainforest Investigations Network where Gerald Flynn is a fellow.
STUNG TRENG, Cambodia — A long-dormant plan to build a mega dam on the mainstream of the Mekong River in Cambodia’s northeastern Stung Treng province appears to have been revived this year, leaving locals immediately downstream of the potential sites worried and experts confounded. [...] [...] WWF’s Greater Mekong program then published an extensive brief in 2018 reiterating the threats posed by the Stung Treng dam to fisheries, agriculture, ecosystems and biodiversity.
By then, however, many of these fears had already been realized in the form of the Lower Sesan 2 hydropower dam.
Also located in Stung Treng province, roughly 30 km (19 mi) from the Ramsar site, the Lower Sesan 2 was approved in 2012 before going online in 2018 after a tumultuous series of studies throughout the 1990s. Following funding issues, Royal Group stepped in as a financier to save the project, but this didn’t stop the Lower Sesan 2 from rapidly becoming emblematic of the numerous problems associated with dams on the Mekong and its tributaries.
Even now, nearly four years after the dam’s completion, pro-government Cambodian and Chinese outlets continue attempting to resuscitate the Lower Sesan 2’s image, which was tarnished by the sheer scale of human suffering and environmental degradation it’s been linked to.
The Stung Treng Ramsar site could be compromised by Cambodia’s hydropower ambitions. Image by Gerald Flynn/Mongabay.
Royal Group maintains the dam is a success and says the project supplied 20% of Cambodia’s energy demands in 2020. But before the project was even finished, it came under fire from the United Nations, numerous NGOs both international and domestic, as well as thousands of affected residents displaced by the dam’s 30,000-hectare (74,000-acre) reservoir.
Since the dam’s completion, Human Rights Watch has branded the Lower Sesan 2 “a disaster” .. https://www.hrw.org/news/2021/08/10/cambodia-chinas-belt-and-road-dam-rights-disaster .. in a 137-page report released last year, calling the dam’s developers responsible for multiple human rights violations, abuses against Indigenous peoples, and a drastic decline in fisheries, along with failing to actually live up to its projected power generation targets.
Haunted by the Lower Sesan 2, the residents of the Stung Treng Ramsar site’s islands were deeply concerned when they saw SBK Research and Development engaged in geological studies and learned the prospect of the Stung Treng dam had returned again. [...] The fate of Koh Snaeng and the Stung Treng Ramsar site remains unclear. Image by Gerald Flynn/Mongabay.
‘Beginning of the end’
Ian Baird, a professor of geography at the University of Wisconsin who specializes in studying hydropower development across Cambodia, Laos and Thailand, says he’s heard rumors of the Stung Treng dam project being resurrected. While it remains unclear exactly what would be built or where and how, he says, the project is a significant threat to the Mekong region.
“The Ramsar Convention is quite weak as governments can really do as they please in Ramsar sites, but Cambodia has been more responsive to international conventions than its neighbors and historically more concerned than others about international criticism, compared with Laos or Vietnam,” Baird says, pointing to Cambodia’s 2020 moratorium on Mekong dam building — a move that other Mekong Basin countries have not followed.
“But this is one of the reasons why exposing the problems related to the Lower Sesan 2 is very critical, because it’s the same developers,” Baird says, adding he’d hoped the failings of Royal Group’s first hydropower project would ward the government off from approving another.
If the Stung Treng dam gets the go-ahead, Baird says it would be more damaging than the controversial Don Sahong dam and the Xayaburi dam — both on the mainstream of the Mekong in Laos — and more significant than the soon-to-be-completed Sekong A dam on the Laotian stretch of the Sekong River, a key tributary that flows from Vietnam, through Laos and into the Mekong River in Cambodia.
“There’s a lot of reason for concern here, if it goes ahead, well – it’s the beginning of the end,” Baird says. “The Mekong is dying a death by a thousand cuts, I’ve watched it for years, and honestly, it’s sad, but what can you do?”
Residents point to Royal Group’s history in Stung Treng province as a reason to be fearful, adding that a new, significantly larger hydropower project could have even wider-reaching impacts.
“I don’t know what I’ll do if they go ahead with it,” says Sai from Koh Snaeng.
Life on the Mekong River is changing and residents struggle to keep up. Image by Nehru Pry/Mongabay.
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In the Mekong Basin, an ‘unnecessary’ dam poses an outsized threat
SIEM PANG, Cambodia — “I remember seeing a buffalo, its head tied to a floating barrel, drifting down the river,” says Pheng Sisuwath, gesturing to the Sekong River from his stilt house in Cambodia’s northeastern province of Stung Treng. That was four years ago, when one of the auxiliary dams of the Xe Pian Xe-Namnoy … Continue reading .. https://news.mongabay.com/2022/09/in-the-mekong-basin-an-unnecessary-dam-poses-an-outsized-threat/
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