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Browsing by Author "Bischof-Niemz, T"

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Annual new-build constraints in the IRP. Inputs into South Africa’s Integrated Resource Plan 2016

Author: Bischof-Niemz, T Date: Dec 2016 Annual new-build limits for solar PV and wind are constant in absolute terms but decrease relative to the size of the power system. Today: Both leading and follower countries install much more new solar PV capacity per year than what South ... Read more
Energy Storage

Author: Bladergroen, B ; Bischof-Niemz, T Date: Oct 2015 With the emergence of variable renewable energy (VRE) sources, such as solar photovoltaics (PV) and wind power, flexibility requirements in the power system are generally increasing. However, what is not so clear yet is what “increasing ... Read more
Financial benefits of renewables in South Africa in 2014

Author: Bischof-Niemz, T Date: Feb 2015 South Africa’s power system is currently under severe constraints, with power generators meant to be the “barely-ever-used” safety net for the system (diesel-fired gas turbines) running at > 15% average annual load factor, and with one ... Read more
Green energy technologies: challenges & opportunities for Africa

Author: Bischof-Niemz, T Date: Sep 2015 This presentation looks at the status of the South African energy industry today. Solar PV & wind are the cheapest new-build options per kWh in South Africa, and cost competitiveness of renewables has two consequences: 1) distributed power ... Read more
A guideline for public entities on cost-efficient procurement of PV assets

Author: Bischof-Niemz, T ; Roro, Kittessa T Date: Sep 2015 Traditionally, when public entities buy an asset under an Engineering, Procurement and Construction (EPC) contract, the screening of the responses to the request for proposals is done in two stages: In a filter stage, all proposals that are ... Read more
Implications of renewables on energy planning

Author: Bischof-Niemz, T Date: Oct 2015 Renewables have, until today, been mainly driven by the United States, European and Chinese markets. This presentation reflects on the actual results by the South African Department of Energy on the cost comparativeness of South African solar ... Read more
Net metering and net feed-in tariff for embedded solar PV in South Africa

Author: Bischof-Niemz, T ; Milazi, D Date: 2015 Due to drastically reduced prices for Photovoltaic (PV) systems and significantly increased electricity tariffs in the last five years, embedded PV generators are now attractive for many electricity customers in South Africa as a supplement ... Read more
Performance monitoring of different module technologies and design configurations of PV systems in South Africa

Author: Serameng, T ; Roro, Kittessa T ; Basappa Ayanna, Manjunath ; Cunden, K ; Myeni, S ; Bischof-Niemz, T ; Van Dyk, EE ; Koopman, Stephen J Date: Jun 2016 Performance monitoring of different module technologies and system configurations of Photovoltaic (PV) systems in South Africa is rare which result in few reports being published based on field results of PV systems installed and operated in ... Read more
Potential for Power-to-X in South Africa

Author: Bischof-Niemz, T Date: Sep 2015 South Africa’s is a very carbon-intensive economy and its energy system is based on domestic coal and on imported oil. More than 50% of South Africa’s CO2 emission is due to electricity production from coal (Eskom), and ~16% of South Africa’s ... Read more
Power-system-wide analysis of the benefits of reserve provision from solar photovoltaics in South Africa

Author: Bischof-Niemz, T ; Calitz, Joanne R ; Wright, Jarrad G Date: Jun 2016 Reserve provision from standalone solar photovoltaic (PV) power plants has to date not been adopted in practice but has been conceptualised by a number of authors for variable renewable energy (RE) power plants like solar PV and wind. The ... Read more
Quantifying system-wide financial costs and benefits of PV in South Africa

Author: Bischof-Niemz, T ; Roro, Kittessa T Date: Sep 2015 The South African power system is currently under severe constraints. Controlled load shedding occurred several times in 2014. Diesel-fired gas turbines, which are meant to be the barely-ever-used “safety-net” of the power system, ran at more ... Read more
Quantifying system-wide financial costs and benefits of renewables (Wind and PV) in South Africa

Author: Bischof-Niemz, T ; Calitz, Joanne R ; Mushwana, Crescent Date: Sep 2015 In this study, the direct financial costs and benefits in South Africa from the wind and PV plants that came online in 2014 and all additional wind projects coming online in 2015 are quantified. In 2014, renewables created financial benefits ... Read more
Quantifying the system-wide financial costs and benefits of wind in South Africa

Author: Bischof-Niemz, T Date: Nov 2015 South Africa’s power system is currently under severe constraints, and at the same time, the Department of Energy is procuring new generation capacity and has already allocated a total of 8.1 GW of renewables (mainly wind & PV) for procurement ... Read more
A renewables-based South African energy system?

Author: Bischof-Niemz, T Date: Dec 2015 Renewables were mainly driven by the United States, Chinese and Japanese markets. This presentation's focus is on the Integrated Resource Plan (IRP 2010) of the power generation mix for South Africa until 2030. Solar PV and wind are the ... Read more
Smoothing out the volatility of South Africa's wind and PV energy resources

Author: Bofinger, S ; Mushwana, Crescent ; Bischof-Niemz, T Date: Oct 2015 Solar PV & wind are the cheapest new-build options per kWh in South Africa. By 2020, a mix of PV, wind and flexible gas (LNG-based) costs the same as new coal, even without any value given to excess wind/PV energy. South Africa has abundant ... Read more
Smoothing out the volatility of South Africa's wind and solar photovoltaic energy resources

Author: Mushwana, Crescent ; Bischof-Niemz, T ; Zimmermann, B ; Gerlach, A-K ; Bofinger, S ; Otto, A Date: 2015 Wind speeds can vary greatly from minute to minute, and cloud cover/movement can cause the output of solar photovoltaic (PC) energy sources to vary. As a result, solar and wind power naturally and continuously fluctuates. The CSIR has embarked ... Read more
Smoothing out the volatility of South Africa’s wind and PV energy resources for an increased share of renewables

Author: Mushwana, Crescent ; Bischof-Niemz, T Date: Nov 2015 South Africa's Integrated Resource Plan 2010 (IRP 2010) was initiated to investigate the power generation mix for South Africa until 2030. The implementation of the IRP was done by Department of Energy through competitive tenders (“REIPPPP” ... Read more
Statistics of utility-scale solar PV and wind in South Africa in 2015

Author: Calitz, Joanne R ; Mushwana, Crescent ; Bischof-Niemz, T Date: May 2016 This presentation contains statistics utility-scale solar PV and wind in South Africa in 2015 Read more

Now showing items 1-18 of 18

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