A Cost Optimized Fully Sustainable Power System for Southeast Asia and the Pacific Rim

Gulagi, Ashish; Bogdanov, Dmitrii; Breyer, Christian

doi:10.3390/en10050583

Cited by 62 publications

(25 citation statements)

References 33 publications

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“…Similar HVDC grid interconnection impact on electricity cost has also been observed in other studies carried out with the same criteria [14,[34][35][36][37][38][39]. The total LCOE in North America declined from 63 €/MWh for the region-wide scenario to 53 €/MWh for the area-wide scenario and to 42 €/MWh for the integrated scenario.…”

Section: Interpretation Of Findingssupporting

confidence: 78%

“…Similar or some of the aforementioned scenarios have been assessed in other parts of the world [14,[34][35][36][37][38][39], which make these studies well comparable.…”

Section: Feed-in For Solar and Wind Energymentioning

confidence: 68%

“…In this study, an hourly resolved model, called the LUT energy system model, based on Matlab software (R2016b) [32] and the Mosek ApS optimizer [33] is used. This model has been introduced and applied to several regions so far [14,[34][35][36][37][38][39], and a detailed description of the model can be found in those studies. The model is based on a multi-node approach that is composed of power generation and storage technologies, the current installed capacities of RE conversion technologies and different operation modes of these technologies.…”

Section: Materials and Methodologymentioning

confidence: 99%

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A Techno-Economic Study of an Entirely Renewable Energy-Based Power Supply for North America for 2030 Conditions

2017

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Abstract:In this study power generation and demand are matched through a least-cost mix of renewable energy (RE) resources and storage technologies for North America by 2030. The study is performed using an hourly resolved model based on a linear optimization algorithm. The geographical, technical and economic potentials of different forms of RE resources enable the option of building a super grid between different North American regions. North America (including the U.S., Canada and Mexico in this paper), is divided into 20 sub-regions based on their population, demand, area and electricity grid structure. Four scenarios have been evaluated: region-wide, country-wide, area-wide and an integrated scenario. The levelised cost of electricity is found to be quite attractive in such a system, with the range from 63 €/MWh el in a decentralized case and 42 €/MWh el in a more centralized and integrated scenario. Electrical grid interconnections significantly reduce the storage requirement and overall cost of the energy system. Among all RE resources, wind and solar PV are found to be the least-cost options and hence the main contributors to fossil fuel substitution. The results clearly show that a 100% RE-based system is feasible and a real policy option at a modest cost. However, such a tremendous transition will not be possible in a short time if policy-makers, energy investors and other relevant organizations do not support the proposed system.

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Section: Interpretation Of Findingssupporting

confidence: 78%

“…Similar or some of the aforementioned scenarios have been assessed in other parts of the world [14,[34][35][36][37][38][39], which make these studies well comparable.…”

Section: Feed-in For Solar and Wind Energymentioning

confidence: 68%

Section: Materials and Methodologymentioning

confidence: 99%

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A Techno-Economic Study of an Entirely Renewable Energy-Based Power Supply for North America for 2030 Conditions

2017

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“…The potential of regional interconnection between Australia and other South East Asian countries in the region have been explored in References [23][24][25]. Reference [23] investigated the role of a submarine high-voltage direct-current (HVDC) link connecting Indonesia's Java-Bali power grid to the NEM grid through the Northern Territory.…”

Section: Introductionmentioning

confidence: 99%

Decarbonization of Australia’s Energy System: Integrated Modeling of the Transformation of Electricity, Transportation, and Industrial Sectors

et al. 2020

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To achieve the Paris Agreement’s long-term temperature goal, current energy systems must be transformed. Australia represents an interesting case for energy system transformation modeling: with a power system dominated by fossil fuels and, specifically, with a heavy coal component, there is at the same time a vast potential for expansion and use of renewables. We used the multi-sectoral Australian Energy Modeling System (AUSeMOSYS) to perform an integrated analysis of implications for the electricity, transport, and selected industry sectors to the mid-century. The state-level resolution allows representation of regional discrepancies in renewable supply and the quantification of inter-regional grid extensions necessary for the physical integration of variable renewables. We investigated the impacts of different CO2 budgets and selected key factors on energy system transformation. Results indicate that coal-fired generation has to be phased out completely by 2030 and a fully renewable electricity supply achieved in the 2030s according to the cost-optimal pathway implied by the 1.5 °C Paris Agreement-compatible carbon budget. Wind and solar PV can play a dominant role in decarbonizing Australia’s energy system with continuous growth of demand due to the strong electrification of linked energy sectors.

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“…There is also potential for economic efficiency through integration. A model for 100% renewable energy supply in Southeast Asia [57] found that a centralized interconnected scenario resulted in a lower overall levelized cost of energy than a decentralized scenario comprising independent national grids. This was partly due to the stabilization of the intermittency of renewable resources by integration over a large scale, and partly due to the integration of additional demand of industrial gas and desalinated water to provide flexible loads.…”

Section: Benefitsmentioning

confidence: 99%

The Prospect for an Australian–Asian Power Grid: A Critical Appraisal

et al. 2018

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Australia is an energy net self-sufficient country rich in energy resources, from fossil-based to renewable energy. Australia, a huge continent with low population density, has witnessed impressive reduction in energy consumption in various sectors of activity in recent years. Currently, coal and natural gas are two of Australia's major export earners, yet its abundant renewable energy resources such as solar, wind, and tidal, are still underutilized. The majority of Asian countries, on the other hand, are in the middle of economic expansion, with increasing energy consumption and lack of energy resources or lack of energy exploration capability becoming a serious challenge. Electricity interconnection linking two or more independent grids within a country or at cross-border or regional levels has found its way into electricity markets worldwide. This concept allows for electricity exchanges that lead to optimized use and sharing of electricity generated from different sources. The interconnection also enables the long distance exploitation of renewable energy which would otherwise be physically impossible. ASEAN (Association of Southeast Asian Nations) and other regional groupings in Asia have initiated a number of interconnections to gain economic benefits. Asian's hunger for energy for its economic development, climate change that has become a global and urgent issue to be solved, and Australia's abundant renewable energy resources have all prompted increasing interest in a super-grid interconnection linking Australia to Asian grids, the Australian-Asian (Power) Grid (AAG). This paper overviews the existing grid interconnections as well as current initiatives at domestic, sub-regional, and regional levels worldwide, with a particular focus on Asia. The paper concludes with a critical appraisal on the benefits, potential, challenges and issues to be encountered by the AAG initiative.

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A Cost Optimized Fully Sustainable Power System for Southeast Asia and the Pacific Rim

Cited by 62 publications

References 33 publications

A Techno-Economic Study of an Entirely Renewable Energy-Based Power Supply for North America for 2030 Conditions

A Techno-Economic Study of an Entirely Renewable Energy-Based Power Supply for North America for 2030 Conditions

Decarbonization of Australia’s Energy System: Integrated Modeling of the Transformation of Electricity, Transportation, and Industrial Sectors

The Prospect for an Australian–Asian Power Grid: A Critical Appraisal

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