LIST OF COMPLETED PROJECTS
CRSES has a team of competent engineers and project managers who can assist clients with on- and off-grid renewable energy solutions. The dynamic group includes engineering expertise in the following disciplines: Mechanical, Mechatronic, Electrical, Process and Civil. The Centre is also well positioned to assemble expertise from the broader University community and private industry to participate in multidisciplinary projects. The past projects are listed under each year below:
SOLAR THERMAL COLLECTOR PERFORMANCE TEST
Client: Client: Kovco (Pty) Ltd
Scope: CRSES has been approached by Kovco (Pty) Ltd to assist them with improving their collector and to do a follow-up performance test of the new collector. The tests were performed at the solar roof testing facility of the Department of Mechanical and Mechatronic Engineering at Stellenbosch University.
Kovco provided CRSES with the following before testing commenced:
- - One new flat-plate collector. Kovco was responsible for delivery and collection of the collector to/from the Department of Mechanical and Mechatronic Engineering at Stellenbosch University.
- - Electronic copy of the collector specifications (dimensions, weights, etc.) and other supporting documentation if available (example: SABS system test certificates).
Outdoor tests were performed. The deliverable for this project was a test result datasheet. The datasheet provided all the data necessary to characterize the collector performance needed for R&D or simulation purposes. This will allow Kovco to compare their collector to existing collectors that have been tested (their own or other manufacturers where data is available). It will also make it possible to accurately simulate the performance of the collector for different regions, configurations and applications.
The data sheet provides the following:
- - Photo of the test set-up
- - Collector specifications
- - Efficiency curve
- - Test data points
- - Incidence angle modifier curve
This work did not include thermal shock test, hail impact test, freeze tests or performance degradation tests over the life of the system.
RENEWABLE ENERGY TRAINING AND ON-LINE COURSE
Client: eThekwini Municipality
Scope: Develop educational material for short contact and on-line courses on Renewable Energy (RE) and energy efficiency (EE) technologies and train trainers of contact course. Course material was developed (slide shows and video recordings) and municipal staff trained in; Solar photovoltaics (PV) Wind Energy EE and Solar Thermal
TECHNICAL WORK FOR EARH HOUR CITY CHALLENGE: George and KwaDukuza municipalities
Scope: Conducting one-day workshops on the impact of PV on municipalities in Kwadukuza and George as well as detailed desktop studies on the potential impact of increased investment in private PV installations on the revenue these municipalities.
Scope: The Biomass Action Plan for Electricity Production in South Africa (BAPEPSA) was initiated through a G2G co-operation between the Netherlands and South Africa, and co-funded by the Netherlands Enterprise Agency and Eskom through an intergovernmental agreement. The main aspects to the BAPEPSA project are; • Resource quantification (woody biomass and agricultural); • Review and evaluation of available technologies for biomass use/conversion, fuel upgrading. • Identification of opportunities and barriers to implementation of biomass projects in South Africa BAPEPSA is focused on exploring biomass utilisation in the South African context for electricity generation using woody and agricultural biomass for on- and off-grid applications. The project defined the requirements to create an enabling environment and promote the uptake of biomass in South Africa. The project considered current and future biomass potential (local and regional), national strategies and directives and identify barriers to biomass utilization.
NATIONAL COMPETITION FOR SECONDARY MUNICIPALITIES – WWF-SA
Scope: This project formed part of the Earth Hour project for smaller municipalities. Two workshops were conducted by CRSES to capacitate local government in the small scale embedded generation (SSEG) space in KwaDukuza and George municipalities. Both these municipalities also received a detailed study, conducted by CRSES on the potential impact that SSEG might have on their finances.
SOUTH AFRICAC ENERGY STORAGE TECHNOLOGY AND MARKET ASSESSMENT
Scope: The objective of the South Africa Energy Storage Technology and Market Assessment was to provide advisory services to the IDC and Steering Committee that will help guide and promote the adoption of energy storage technologies in South Africa. This effort included market research; technical, economic and financing assessments; development, environmental, and legal/regulatory assessments; and a roadmap that recommended steps, milestones and timelines for the adoption of energy storage technologies in South Africa through 2030. Although the advisory services provide some information related to residential, commercial, and industrial energy storage technologies, the focus of the advisory services has been on utility-scale (over 1 megawatt) energy storage technologies.
THE ROLE OF SOUTH AFRICAN MUNICIPALITIES IN RENEWABLE ENERGY: A Review of Business Models
Client: GIZ (SU in consortium with WWF-SA and TIPS)
Scope: This report reviews possible business models for South African municipalities to seize arising opportunities and minimise potential risks associated with the introduction of renewable energy technologies in the domestic electricity system. It proposes a typology of available business models for municipalities to seize emerging opportunities arising from renewable energy technologies. Three overarching roles, spilt into seven business models, are considered for municipalities: building electricity generation capacity; procuring electricity; and playing a facilitation function. Based on a three-pronged methodological framework taking into account the drivers of the business models; their techno-economic potential; and their ability to manage risks (regulatory, financial and socio-political); this report reviews each business model, highlighting their strengths and weaknesses.
ZZ2 PV prefeasibility study
Client: Berty van Zyl (ZZ2)
Scope: CRSES was appointed in a technical advisory capacity to conduct a PV prefeasibility study at the ZZ2 facility near Polokwane, Limpopo Province. The study investigated various scenarios to reduce the electricity consumption of the building and increase the renewable energy sources. A suitable installation site was identified and regulations consulted to determine a suitably sized and located PV system. A detailed financial model to calculate the system cost and various investment indicators followed. The financial model included a study on various financing options, including loan funded, capital funded and power purchase agreements.
WWF - CITY OF JOHANNESBURG SOLAR PV PREFEASIBLITY STUDY
Client: WWF, TIPS & City of Johannesburg
Scope: CRSES was appointed in a technical advisory capacity to conduct a PV prefeasibility study at the Johannesburg City Property owned building. The study investigated various scenarios to reduce the electricity consumption of the building and increase the renewable energy sources. A suitable installation site was identified and regulations consulted to determine a suitably sized and located PV system. A detailed financial model to calculate the system cost and various investment indicators followed. The study formed part of a larger project undertaken by the WWF.
SOLAR COLLECTIVE - SOLAR THERMAL FEASIBILITY STUDY FOR PERSONAL LAUNDRY
Client: Solar Collective
Scope: CRSES performed a feasibility study on the installation of a solar water heating system at a laundry facility owned by Personal Laundry, located in Woodstock, Cape Town. A solar thermal system was designed and optimized and the heat production potential calculated to determine the reduction in the fuel consumption of the facility. This was followed by a financial feasibility study to determine the system cost, financial savings, payback period and other financial indicators.
ALLAN GRAY PV PREFEASIBILITY STUDY
Client: Allan Gray
Scope: CRSES was appointed in a technical advisory capacity to conduct a PV prefeasibility study at the Allan Gray office building in the V&A Waterfront. The study investigated various scenarios to reduce the electricity consumption of the building and increase the renewable energy sources. Multiple PV systems were sized and optimized to maximize the electrical energy production. A detailed financial model to calculate the system cost and various investment indicators followed. CRSES assisted the client further by drafting the technical specifications and participating in the tender evaluation committee as an independent third party advisor.
FRAMING PAPER AND FEASIBILITY STUDIES ON THE APPLICATION OF SOLAR THERMAL IN SELECTED SECTORS
Client: The WWF Nedbank Green Trust
Scope: CRSES was appointed in a technical advisory capacity to investigate the current status and potential of the solar thermal industry for industrial application in South Africa. The two industries targeted in the study are the agri-processing industry and the hospital industry. The study include solar thermal feasibility studies on two sites, one textile manufacturing facility and one hospital. The feasibility studies are conducted to determine the technical and financial impact of installing solar water heating systems. It includes designing the solar water heating systems and optimizing the heat production potential to determine the reduction in the fuel consumption of each facility. The results of the feasibility studies feed into the discussion on the industry potential in South Africa.
FEASIBILITY STUDY FOR A WOODY BIOMASS-TO-ELECTRICITY POWER PLANT
Client: East London Industrial Development Zone
Scope: CRSES provided technical assistance to the East London Industrial Development Zone (EL IDZ) for the implementation of a biomass to energy plant. The project included a study on the financial and technical feasibility of implementing a plant and included the drafting of technical specifications, sizing of the plant and identifying an implementation strategy.
SOLAR PROCESS HEAT FOR KLEIN KAROO TANNERY
Client: Klein Karoo
Scope: CRSES performed a feasibility study on the installation of a solar water heating system at a the Klein Karoo Tannery, located near Oudtshoorn and assisted with the SOLTRAIN funding application. A solar thermal system was designed and optimized and the heat production potential calculated to determine the reduction in the fuel consumption of the facility. This was followed by a financial feasibility study to determine the system cost, financial savings, payback period and other financial indicators. CRSES assisted the client further by drafting the technical specifications and participating in the tender evaluation committee as an independent third party advisor.
EDUCATIONAL MATERIAL AND TRAINING FOR SHORT CONTACT AND ON—LINE COURSE ON RENEWABLE ENERGY AND ENERGY EFFICIENT TECHNOLOGIES
Client:Client: eThekwini Municipality — Energy Office
Scope: The project includes the development of content for 2 to 3 hour courses on the topics of solar water heating, heat pumps, solar photovoltaic systems and small wind turbines. The material was presented in a short 3 day contact course at the eThekwini Municipality training facilities and also included a video recording of the course to facilitate the training of staff within the municipality through an online portal.
CONDUCTING A STUDY ON THE IMPACT OF GRID INTEGRATION OF INTERMITTENT RENEWABLE ENERGY IN NAMIBIA
Client:Client: Electricity Control Board
Scope: Conduct a study to assess the impact of grid integration of intermittent renewable energy, develop and implement a plausible methodology to reliably quantify the optimal renewable energy capacity that can be integrated into the grid in the Namibian Electricity Supply Industry. This includes a detailed model of the Nambian electricity grid and research into various implementation strategies used by other countries and regions. Various tests will be conducted on the Namibian network models to determine the maximum renewable energy penetration that can be achieved and to identify system constraints, which prevent further implementation of renewable energy.
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