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46-60 of 134 results
Derivation of Robust Storage Targets for Large-Scale Pumped Hydro Energy Storage Using PLEXOS
| By Energy Exemplar
This paper examines the modelling of large-scale pumped hydro energy storage in future power systems where variable generation, primarily in the form of wind generation, is the dominant source of power generation. It is shown that current deterministic modelling techniques do not give a correct valuation to pumped hydro storage and can in cases overvalue the resource.
Power Generation > Hydro > White Papers
Energy Exemplar Explores Current Impacts on Kenya's Utility Distribution
| By Energy Exemplar
The electrical power sector in Africa is rapidly evolving as countries adopt novel and disruptive approaches/technologies to fulfil electrification goals and stimulate private investment in order to ensure supply adequacy and grow their economies. This all while remaining cognisant of the requirement for a sustainable sector via combinations of energy efficiency (EE), solar water heater (SWH) deployments, frameworks for net metering and Feed-in Tariffs (FITs) for embedded generation, utility scale renewables projects and Demand Side Participation (DSP). The consequence of these novel and disruptive approaches/technologies means that the unidirectional power-flow through distribution utilities and municipalities (from bulk suppliers to off-takers) is changing. As a result, reduced energy sales are expected, while still having to cover fixed costs including components of bulk purchase costs from existing suppliers, overheads as well as network investment and maintenance costs. This paper focusses on the impact of the abovementioned novel and disruptive approaches/technologies, via a case study on the main distribution utility in Kenya, Kenya Power and Lighting Company (KPLC).
Power Generation > Hydro > White Papers
Delivering a Competitive Australian Power System
| By Energy Exemplar
Australia’s abundant supply of coal has underpinned its power system. Competing countries have used a variety of energy resources, which sees many of them now equipped with resilient power systems to provide future electrical power. This paper considers the implication of possible scenarios for the Australian power system in 2035.
Power Generation > Hydro > White Papers
Grid and Power System Research at CSU
| By Energy Exemplar
The Engines & Energy Conversion Laboratory has a 20-year history of developing energy solutions. Founded in the Department of Mechanical Engineering at Colorado State University, the EECL has grown to become one of the largest interdisciplinary programs in energy in the country.
Power Generation > Hydro > White Papers
Benefits of Chronological Optimization in Capacity Planning for Electricity Markets
| By Energy Exemplar
Long-term capacity expansion planning is constrained by computing performance; hence the load duration curve (LDC) approach is commonly adopted for such long-term models. In this paper chronology is retained in deterministic modelling of long-term investment decisions along with an accurate production cost model co-optimization that accounts for inter-temporal constraints of thermal plants. The South Australian system has been modelled in the PLEXOS® simulation software.
Power Generation > Hydro > White Papers
Network Constraints for Competing Renewable Power Plants in a Resource Rich Area
| By Energy Exemplar
Significant growth in installed capacity of solar PV and wind generation has taken place globally with the largest contributors being the USA, Europe (mostly Germany) and China. Projections for solar PV and wind generation capacity seem to indicate that this growth will continue into the future.
Power Generation > Hydro > White Papers
Australian Power: Can Renewable Technologies Change the Dominant Industry View?
| By Energy Exemplar
The Australian government is committed to the development of its coal seam gas resources for export to lucrative world markets and to transition domestic power generation to greater resilience by moving away from a reliance on coal to lower-emissions intensive gas. Using a commercially available modelling package, PLEXOS, we model what a transition to gas fired generation in the year 2035 would deliver and compare that to a transition to power from renewable technologies.
Power Generation > Hydro > White Papers
Analysing the Effects of Future Generation and Grid Investments on the Spanish Power Market, with Large-Scale Wind Integration, Using PLEXOS® for Power Systems
| By Energy Exemplar
The scope of this paper is to present the results of a wind integration case study that analyses and compares the effects of the future generation and grid investments and their operations on power market prices, congestion, ancillary service requirements and generation mix using the power market simulation and analysis software PLEXOS® for Power Systems.
Power Generation > Hydro > White Papers
An Economic Evaluation of the Potential for Distributed Energy in Australia
| By Energy Exemplar
We present here economic findings from a major study by Australia’s Commonwealth Scientific and Industrial Research Organisation (CSIRO) on the value of distributed energy technologies (DE; collectively demand management, energy efficiency and distributed generation) for reducing green-house gas emissions from Australia’s energy sector.
Power Generation > Hydro > White Papers
AEMO Releases PLEXOS NEM Dataset
| By Energy Exemplar
The Australian Energy Market Operator ('AEMO') operates the wholesale interconnected electricity market in the eastern states, known as the National Electricity Market, or NEM. For the National Transmission Network Development Plan (NTNDP) 2012, AEMO released a copy of 2012 NTNDP Database in PLEXOS. PLEXOS was used to solve the Least-Cost Expansion Modelling requirements of their analysis.
Power Generation > Hydro > White Papers
How Much Wind Energy Will be Curtailed on the 2020 Irish Power System?
| By Energy Exemplar
This paper describes a model of the 2020 Irish electricity system which was developed and solved in a mixed integer programming, unit commitment and economic dispatch tool called PLEXOS. The model includes all generators on the island of Ireland, a simplified representation of the neighbouring British system including proposed wind capacity and interconnectors between the two systems.
Power Generation > Hydro > White Papers
Energy Exemplar Products and Services - Leading the Field in Energy Market Modelling
| By Energy Exemplar
PLEXOS® Integrated Energy Model (PLEXOS) is proven simulation software that uses cutting-edge mathematical programming and stochastic optimisation techniques combined with the latest data handling techniques, to provide a robust analytical framework for power market modellers. Since its first release in 2000 PLEXOS has emerged as the integrated power market simulation tool of choice, with a customer base spanning the globe and including many of the world’s largest and most sophisticated utilities and system operators.

This paper provides insights into Energy Exemplar’s products and services including, Integrated Energy Modelling, Gas Modelling, Distributed Computing Solutions, Consulting, Training, Datasets, Customisation and more.

Power Generation > Hydro > White Papers
Energy Exemplar - Leading the Field in Energy Market Modelling
| By Energy Exemplar
PLEXOS® Integrated Energy Model (PLEXOS) is proven simulation software that uses cutting-edge mathematical programming and stochastic optimisation techniques combined with the latest data handling techniques, to provide a robust analytical framework for power market-modellers. PLEXOS meets the demands of market participants, planners, investors, regulators and analysts with a comprehensive range of features delivered through an easy-to-use interface and powerful simulation engine.
Power Generation > Hydro > White Papers
Bridging the Power Gap in Africa: Testing Options to Manage Constrained Short to Medium Term System Operations
| By Energy Exemplar
Jarrad G. Wright PrEng MScEng Senior Consultant Energy Exemplar Africa (Pty) Ltd South Africa.
Power Generation > Hydro > White Papers
46-60 of 134 results