40507
BAJRADAYA SENTRANUSA, PT
Apr 25, 2018
Indonesia
East Asia and the Pacific
Jan 13, 2022
B - Limited
Active
Approved : Apr 3, 2019
Signed : Mar 10, 2020
Invested : Jan 4, 2022
Large Hydro - Renewable Energy Generation
Infrastructure
Regional Industry - INF Asia & Pac
IFC is considering an A-loan to support BDSN’s operational 180 MW Asahan-1 hydropower plant (HPP) in North Sumatra, Indonesia (the project). The plant has been fully operational since January 2011 and sells electricity to PLN pursuant to a long-term PPA expiring on Dec 31, 2040 on a take-or-pay basis of 1,175 GWh of electricity per year. Asahan-1 is developed by the Independent Power Producer (IPP) BDSN (the company), which is owned by Fareast Green Energy and PJB (the latter a subsidiary of PLN, the national power company), respectively. The HPP located 25 km downstream of Lake Toba on the Asahan River in North Sumatra, Indonesia, is approximately 130 km southeast of the city of Medan. Land acquisition and construction of the plant was initiated in 1997, but was stalled a year later following Indonesia’s financial crisis. Construction restarted in 2006/7 and the HPP was finally commissioned in 2010. The operation and maintenance (O&M) since January 2014 has been contracted to PJB Services (PJBS), a subsidiary of PJB
Asahan-1 is a run-of-river scheme developed to utilize the hydraulic head between the Regulating Dam and Siguragura Dam of the pre-existing Asahan-2 project, a three dam cascade developed between 1975-1982 to support the PT Inalum smelter, located on the North Sumatra coastline near Medan. The Asahan-2 scheme, which is not part of this project, comprises a 39 m Regulating Dam, a 47 m, 286 MW Siguragura Dam and HPP, and a 73 m, 317 MW Tangga Dam and HPP. The scheme relies on releases from Lake Toba, the largest volcanic lake in the world, as the Asahan River is the primary drainage of this lake to the Straits of Malacca. The Asahan Authority, comprised of a number of state entities, was established to ensure smooth operation of the Asahan-2 project, including the Inalum smelter.
The Asahan-1 HPP comprises of a 6.5 km tunnel, 70 m surge shaft, 275 m penstock, powerhouse with two 90 MW Francis turbines, accommodation camp and switchyard (the latter handed over to PLN). The intake is located in the pre-existing Regulating Dam which drains water directly from Lake Toba, and the powerhouse is located at the top end of the pre-existing Siguragura Dam, into which the tailrace empties. The project is linked to the grid by an 8 km transmission line, though BDSN only owns and maintains the three transmission towers that link the transformer at the powerhouse with the switchyard.
BDSN’s Asahan-1 HPP is an existing IFC investment (Project # 33853) and its environmental and social (E&S) performance is satisfactory. IFC’s environmental and social appraisal of this project included a site visit in November 2017. During this visit, the IFC team toured the main project facilities (intake area, powerhouse, staff accommodation camp), met with BDSN management both on site in North Sumatra and in Jakarta. Discussions were also held with the leaders and members of the two closest villages, namely Ambar Halim and Siruar, in order to better understand the expectations and ongoing concerns of affected communities.
IFC’s proposed new loan/project is intended to refinance existing debt and will not result in any change in the project footprint or its operations as compared to IFC’s earlier investment. Hence, this appraisal has relied upon findings of IFC’s previous due diligence, IFC’s past supervision findings and review of BDSN’s, Asahan-1’s and PJBS’s current environmental and social management system (ESMS) and E&S performance. IFC’s appraisal considered BDSN’s environmental and social management system and gaps, if any, between this system and IFC requirements. Where necessary, corrective measures intended to close these gaps within a reasonable period of time are summarized in the paragraphs that follow and in the Environmental and Social Action Plan (ESAP). Through implementation of management procedures and the attached ESAP, BDSN is expected to operate this facility in accordance with IFC Performance Standards objectives.