New and renewable energy resources in the Indonesian electricity sector: a systems thinking approach

2020 ◽  
Vol 14 (6) ◽  
pp. 1381-1403
Author(s):  
Yos Sunitiyoso ◽  
Johan Prabandono Mahardi ◽  
Yudo Anggoro ◽  
Agung Wicaksono
Keyword(s):  
Renewable Energy ◽  
Systems Thinking ◽  
Policy Development ◽  
Electricity Sector ◽  
Renewable Energy Resources ◽  
Critical System ◽  
Content Type ◽  
Electricity System ◽  
Systems Thinking Approach ◽  
System Archetypes

Purpose The purpose of this paper is to apply a systems thinking methodology to analyse Indonesia’s new and renewable energy (NRE) electricity sector to describe the complex interrelations between its actors and variables, identify the systemic patterns and formulate recommendations for the policymakers. Design/methodology/approach Systems thinking methodology is used to observe the NRE electricity system and compile the corresponding data into a meaningful diagram to describe and recommend solutions for the sector’s issues. Causal loop diagram is used as the main method in this study with a deeper analysis of system archetypes to uncover the system behaviour. Soft system methodology and critical system heuristic are used partially to clarify the system boundaries, cultivate the perspective of the involved actors and problem categorization. Findings A comprehensive diagram is developed to present interrelation between all the components within the NRE electricity sector in Indonesia and the expected impact of any act or change to the entire system. Based on the causal interrelations between variables, typical systemic patterns or archetypes are used to identify unproductive patterns towards achieving the NRE electricity sector objectives. Originality/value The findings provide an initial outlook on the variables and systemic patterns within the system as a critical consideration in the decision-making process and policy development for the NRE electricity sector.

scholarly journals Towards Zero-Energy Housing in Egypt

2019 ◽  
Vol 3 (1) ◽  
pp. 52
Author(s):  
Hala Abdelmoez Mohamed
Keyword(s):  
Renewable Energy ◽  
Architectural Design ◽  
Renewable Energy Sources ◽  
Electricity Consumption ◽  
Housing Demand ◽  
Electricity Sector ◽  
Energy Resources ◽  
Energy Sources ◽  
Renewable Energy Resources ◽  
Zero Energy

As the Egyptian population is increasing at a huge rate, the yearly housing demand is increasing in an equivalent rate. In addition, the whole world is suffering from an energy crises caused by the rapidly increasing consumption of world’s traditional energy resources, so the obvious solution is to go green, and depend much more on renewable energy resources. According to the statistical data available in Egyptian governmental authorities, the accumulated housing demand till 2014 was about 2,400,000 units. On the other hand, the yearly housing supply from private and public sectors is about 150,000 to 200,000 unit, Egyptian authorities declared that at summer 2010 air-conditioning devices increased to reach 3.000.000 ( three million) devices all over Egypt, mostly working from early mornings till 2 am next day to adjust temperatures that reach up to (45C) and more outside buildings to reach (25 C) or less inside. This behavior increased electricity consumption rapidly. Consequently, the electricity consumption rate in Egypt had increased by 13% more than 2009, which exceeds the maximum capacity power of the high dam by 7% to 8%, ministry of electricity announcements declared that to fill that gab we need 3000 megawatts at peak hours which costs the electricity sector up to 16.000.000.000 l.E. Accordingly, a new architectural design concept is proposed (Zero-Energy Housing Unit) to rely on the surrounding environmental conditions and new Green Architecture Techniques in order to provide human comfort based on renewable energy sources, provided that the common current governmental energy sources will be a backup system for the meanwhile.

Toward Whole-of-System Action to Promote Physical Activity: A Cross-Sectoral Analysis of Physical Activity Policy in Australia

2019 ◽  
Vol 16 (11) ◽  
pp. 1029-1038 ◽  
Author(s):  
Tracy Nau ◽  
Karen Lee ◽  
Ben J. Smith ◽  
William Bellew ◽  
Lindsey Reece ◽  
...  
Keyword(s):  
Physical Activity ◽  
Systems Thinking ◽  
Policy Development ◽  
Physical Inactivity ◽  
Descriptive Statistics ◽  
Conceptual Systems ◽  
Implementation Processes ◽  
Sectoral Analysis ◽  
Physical Activity Policy ◽  
Systems Thinking Approach

Background: The value of a systems thinking approach to tackling population physical inactivity is increasingly recognized. This study used conceptual systems thinking to develop a cognitive map for physical activity (PA) influences and intervention points, which informed a standardized approach to the coding and notation of PA-related policies in Australia. Methods: Policies were identified through desktop searches and input from 33 nominated government representatives attending 2 national PA policy workshops. Documents were audited using predefined criteria spanning policy development, strategic approaches to PA, implementation processes, and evaluation. Data were analyzed using descriptive statistics. Results: The audit included 110 policies, mainly led by the health or planning/infrastructure sectors (n = 54, 49%). Most policies purporting to promote PA did so as a cobenefit of another objective that was not focused on PA (n = 63, 57%). An intention to monitor progress was indicated in most (n = 94, 85%); however, fewer than half (n = 52, 47%) contained evaluable goals/actions relevant to PA. Descriptions of resourcing/funding arrangements were generally absent or lacked specific commitment (n = 67, 61%). Conclusions: This study describes current PA-relevant policy in Australia and identifies opportunities for improving coordination, implementation, and evaluation to strengthen a whole-of-system and cross-agency approach to increasing population PA.

scholarly journals Review of Renewable Energy Potentials in Indonesia and Their Contribution to a 100% Renewable Electricity System

Energies ◽  
2021 ◽  
Vol 14 (21) ◽  
pp. 7033
Author(s):  
Jannis Langer ◽  
Jaco Quist ◽  
Kornelis Blok
Keyword(s):  
Renewable Energy ◽  
Fossil Fuels ◽  
Contemporary Literature ◽  
Electricity Demand ◽  
Renewable Energy Resources ◽  
Energy Technologies ◽  
Electricity System ◽  
Potential Mapping ◽  
Demand Coverage ◽  
Current Energy

Indonesia has an increasing electricity demand that is mostly met with fossil fuels. Although Indonesia plans to ramp up Renewable Energy Technologies (RET), implementation has been slow. This is unfortunate, as the RET potential in Indonesia might be higher than currently assumed given the archipelago’s size. However, there is no literature overview of RET potentials in Indonesia and to what extent they can meet current and future electricity demand coverage. This paper reviews contemporary literature on the potential of nine RET in Indonesia and analyses their impact in terms of area and demand coverage. The study concludes that Indonesia hosts massive amounts of renewable energy resources on both land and sea. The potentials in the academic and industrial literature tend to be considerably larger than the ones from the Indonesian Energy Ministry on which current energy policies are based. Moreover, these potentials could enable a 100% renewables electricity system and meet future demand with limited impact on land availability. Nonetheless, the review showed that the research topic is still under-researched with three detected knowledge gaps, namely the lack of (i) economic RET potentials, (ii) research on the integrated spatial potential mapping of several RET and (iii) empirical data on natural resources. Lastly, this study provides research and policy recommendations to promote RET in Indonesia.

Argentine electricity sector in state of emergency

2016 ◽  
Keyword(s):  
Public Spending ◽  
Average Energy ◽  
Electricity Sector ◽  
State Of Emergency ◽  
Energy Subsidies ◽  
Content Type ◽  
World Average ◽  
Electricity System ◽  
The World

Subject Argentina's electricity sector is in urgent need of reform. Significance One of President Mauricio Macri's first acts after assuming office last month was to declare a state of emergency for the electricity system. This status grants the authorities ample powers to push through reforms and will be in place through December 31, 2017. Impacts The price of electricity dropped 73% in real terms since 2001 owing to tariff freezes, pushing companies into the risk of bankruptcy. At 2.7% of GDP in 2015 - some four times the world average -- energy subsidies will be key to reducing public spending. Targeting of subsidies will also be key; currently 22.9% benefit the richest 20% of the population, while only 17.4% for the poorest 20%.

scholarly journals Technical Analysis Feasibility Study on Smart Microgrid System in Sekolah Tinggi Teknik PLN

2018 ◽  
Vol 31 ◽  
pp. 02011 ◽  
Author(s):  
Heri Suyanto
Keyword(s):  
Renewable Energy ◽  
Feasibility Study ◽  
Large Scale ◽  
Pilot Project ◽  
Technical Aspect ◽  
Energy Resources ◽  
Renewable Energy Resources ◽  
Electricity System ◽  
High Penetration ◽  
Quality And Reliability

Nowadays application of new and renewable energy as main resource of power plant has greatly increased. High penetration of renewable energy into the grid will influence the quality and reliability of the electricity system, due to the intermittent characteristic of new and renewable energy resources. Smart grid or microgrid technology has the ability to deal with this intermittent characteristic especially if these renewable energy resources integrated to grid in large scale, so it can improve the reliability and efficiency of the grid. We plan to implement smart microgrid system at Sekolah Tinggi Teknik PLN as a pilot project. Before the pilot project start, the feasibility study must be conducted. In this feasibility study, the renewable energy resources and load characteristic at the site will be measured. Then the technical aspect of this feasibility study will be analyzed. This paper explains that analysis of ths feasibility study.

scholarly journals Analysis of Cost-Optimal Renewable Energy Expansion for the Near-Term Jordanian Electricity System

2020 ◽  
Vol 12 (22) ◽  
pp. 9339
Author(s):  
Simon Hilpert ◽  
Franziska Dettner ◽  
Ahmed Al-Salaymeh
Keyword(s):  
Renewable Energy ◽  
Wind Energy ◽  
Energy Demand ◽  
Cost Effective ◽  
Electricity Sector ◽  
Electricity System ◽  
High Dependency ◽  
Optimal Extension ◽  
Growing Economy ◽  
Energy Share

Jordan is affected by an ever changing environment in the midst of climate change, political challenges, a fast growing economy and socio-economic pressures. Among other countries in the Middle East and Northern Africa, Jordan is facing a number of electricity related challenges, such as a rising energy demand, high dependency on fossil fuel imports and management of local, fossil and renewable resources. The paper presents an analysis based on an open source optimisation modelling approach identifying a cost-optimal extension of the Jordanian electricity system with growing demand projections until 2030 utilising pumped hydro energy storage and determining the costs of different CO2 mitigation pathways. The results highlight the large potential of renewable energy for the cost effective, environmentally friendly and energy independent development of the Jordanian electricity sector. A share of up to 50% renewable energy can be achieved with only a minor increase in levelised cost of electricity from 54.42 to 57.04 $/MWh. In particular, a combination of photovoltaic and pumped hydro storage proved to be a superior solution compared to the expansion of existing shale oil deployments due to high costs and CO2 emissions. Aiming for a more than 50% renewable energy share within the electricity mix calls for substantial wind energy deployments. In a system with a renewable energy share of 90%, wind energy covers 45% of the demand.

scholarly journals Solar energy as a potential contributor to help bridge the gap between electricity supply and growing demand in Iraq: A review

2020 ◽  
Vol 9 (4) ◽  
pp. 302
Author(s):  
Sulala Al-Hamadani
Keyword(s):  
Renewable Energy ◽  
Solar Energy ◽  
Renewable Energy Sources ◽  
Electricity Sector ◽  
Electricity Supply ◽  
Renewable Energy Resources ◽  
Potential Contributor ◽  
To Come ◽  
Sustainable Electricity ◽  
Key Industries

<p><span>The pivotal role of electricity is as an enabler for every other sector in any economy. Adequate electricity supply is a vital input for the economic growth and in a range of key industries. Unfortunately, the electricity sector in Iraq has been an unsustainable fiscal burden on successive Iraqi governments yet it has not been able to meet the growing demand. Iraq’s electricity sector and government’s decision makers should look for a long-term solutions and strategies to meet the current and future demand, by taking important steps towards fostering a reliable, affordable, and sustainable electricity system in the years and decades to come. Also, Iraqi government and ministry of electricity in particular should understand that electricity is basic service and right of Iraqis, and many nations have overcome this kind of problem decades ago. Overcoming this problem will help refueling Iraqi economy and enable it to stand on its feet again. Renewable energy resources, and solar in particular could be part of the solution. This paper aims to highlight the importance of solar energy in Iraq as a potential contributor to help bridge the gap between electricity supply and growing demand. Also, it discusses the solar energy opportunities with challenges facing other renewable energy sources in Iraq.</span></p>

scholarly journals Digitalisation potentials in the electricity ecosystem: lesson learnt from the comparison between Germany and Denmark

2021 ◽  
Vol 4 (S2) ◽  
Author(s):  
Thorsten Hack ◽  
Zheng Ma ◽  
Bo Nørregaard Jørgensen
Keyword(s):  
Renewable Energy ◽  
Electricity Markets ◽  
Value Chain ◽  
Electricity Sector ◽  
Transport Sector ◽  
Renewable Energy Resources ◽  
Electricity Grid ◽  
The World ◽  
Market Framework ◽  
Electricity Grids

AbstractDigitalisation potentials in the electricity sector are frequently discussed around the world, especially in Europe which has the largest interconnected continental electricity grid in the world. The analysis and comparison of electricity ecosystems between countries can help to enhance international understanding and cooperation. It can also enable businesses to expand. However, little literature has covered the cross-national comparisons of digitalisation potentials in the electricity sector. This paper uses the business ecosystem architecture development methodology to identify commonalities and differences between two electricity ecosystems: Germany and Denmark. The result shows that there are many similarities between the two countries, but the roles of market framework provider, market supervision, and metering point operator are performed by different actors. By comparing the value chain segments, the main differences between Denmark and Germany are the share of renewable energy generation, the organisation of the transmission system, smart meter installation & operations, and the national electricity data hub. Based on the comparisons, six recommendations for the digitalisation of the electricity ecosystem are proposed: digitalisation for enabling more renewable energy resources for electricity generation, digitalisation in the electricity grids, digitalisation ib. the electricity markets, digitalisation on the demand side, especially the transport sector, and regulation-driven digitalisation of the electricity ecosystem.

A financial decision support framework for the appraisal of renewable energy infrastructures in developing economies

2015 ◽  
Vol 9 (2) ◽  
pp. 176-203 ◽  
Author(s):  
Eugene Kozlovski ◽  
Umar Bawah
Keyword(s):  
Power Generation ◽  
Renewable Energy ◽  
Developing Economies ◽  
Optimal Choice ◽  
Combined Cycle ◽  
Public Utility ◽  
Renewable Energy Resources ◽  
Content Type ◽  
Financial Assessment ◽  
Energy Infrastructures

Purpose – The paper aims to report on an integrated techno-economic framework for the performance analysis of energy production based on the renewable energy resources (RERs). Whilst the majority of existing studies have focussed on technical aspects of RER modelling, the proposed framework incorporates financial assessment into the process of appraising the alternatives of hydropower, wind energy and solar energy infrastructures. An approach to the optimal choice of RER deployment for a specific developing region is formulated and applied to Ghana. Design/methodology/approach – A model comprising technical and economic parameters was developed for analysing the investment rankings of different RERs and comparing them to that of conventional energy sources such as the natural gas combined cycle (NGCC) electric plant. The analysis also included the carbon cost and power generation capacity. The total life cycle costing and levelised cost of energy generated from each resource were modelled for three corporate ownership structures: a public utility that is not tax-liable (no-tax case); organisational power generation for internal use, ultimately concerned with its after-tax costs (after-tax case); and an independent power producer for the market, with before-tax revenues covering all costs (before-tax case). Findings – Using the empirical data from Ghana together with the proposed framework, it is shown that when carbon incentives are provided, the hydroelectric and wind conversion infrastructures can effectively compete with the conventional NGCC in this country, whilst with no carbon credit, NGCC still appears to be the most viable option. Practical implications – Policy-related recommendations on carbon incentives and preferential power purchase prices, which are critical for widespread RER deployment, can be directly derived from this research. Originality/value – The study represents a comprehensive decision-making tool that can be used in regulatory and investment analysis on the expansion of RER systems in the developing countries.

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