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As stated by the ADB, the project will install a total of 15 megawatt hour battery energy storage system (BESS), which will enable the grid to increase the utilization of outputs from the solar photovoltaic power plant and provide grid services to Koror-Babeldaob grid to equip Palau Public Utilities Corporation (PPUC) with tools to optimize the use of renewable energy. Protection systems will also be upgraded to reduce the frequent blackouts of the grid system, especially with the expected increase of outputs from the solar photovoltaic power plant. The project also includes a pilot vehicle-to-grid project, as a future option for further optimization of renewable energy generation.
Although Palau enjoys almost 100% electrification rate, it relies heavily on imported diesel for power generation. Over 97% of power generation is based on fossil fuel (diesel) and 3% on solar. To reduce reliance on fossil fuel and to meet the Nationally Determined Contribution target, Palau plans to integrate renewable energy through (i) two phases of independent power producers (IPPs) engagement, and (ii) solar roof top installations. The first phase of the IPP project (IPP-1) is expected to be complete with a 13.2 megawatt-peak (MWp) solar system and a 15 megawatt-hour (MWh) battery energy storage system (BESS) by early 2024. This IPP-1 solar system will bring the share of renewable energy to 20% of Palau's generation mix if the grid can accommodate its outputs. This will depend on optimizing the intermittent outputs of IPP-1 by minimizing curtailment.
PPUC plans to install a BESS in its grid system to achieve this goal. Reducing curtailment is critical to optimizing PPUC's operational efficiency because of the take-or-pay arrangements in the power purchase agreement. In addition to BESS, the government plans to make better use of IPP-1 generation capacity with an introduction of vehicle-to-grid (V2G) solutions. As a small island nation with limited demand for equipment necessary for V2G, a public sector pilot initiative is needed to test and showcase the effectiveness of V2G solutions.
The ADB categorized the project risks as follows:
Information on the amount of the grant was not available at the time of disclosure.
As stated on the company's website, the Palau Public Utilities Corporation (PPUC) is a public corporation established to manage and operate the electrical power and the water and wastewater systems of the Republic of Palau.
Private Actor 1 | Private Actor 1 Role | Private Actor 1 Sector | Relation | Private Actor 2 | Private Actor 2 Role | Private Actor 2 Sector |
---|---|---|---|---|---|---|
- | - | - | - | Palau Public Utilities Corporation (PPUC) | Undisclosed | Energy |
ADB Team Leader:
Yuki Inoue - Energy Specialist
No contacts provided at the time of disclosure.
ACCESS TO INFORMATION
You can submit an information request for project information at: https://www.adb.org/forms/request-information-form
ADB has a two-stage appeals process for requesters who believe that ADB has denied their request for information in violation of its Access to Information Policy. You can learn more about filing an appeal at: https://www.adb.org/site/disclosure/appeals
ACCOUNTABILITY MECHANISM OF ADB
The Accountability Mechanism is an independent complaint mechanism and fact-finding body for people who believe they are likely to be, or have been, adversely affected by an Asian Development Bank-financed project. If you submit a complaint to the Accountability Mechanism, they may investigate to assess whether the Asian Development Bank is following its own policies and procedures for preventing harm to people or the environment. You can learn more about the Accountability Mechanism and how to file a complaint at: http://www.adb.org/site/accountability-mechanism/main.