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Revised Schedule of Fees for Applications made to the South African Heritage Resources Agency (SAHRA)

Proposed development of the Aggeneys PV BESS near Aggeneys in the Northern Cape_draft

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CaseHeader

Status: 

HeritageAuthority(s): 

Case Type: 

Development Type: 

ProposalDescription: 

The Aggeneys Battery Energy Storage System (BESS) project entails the construction and operation of a 153MW/612MWh BESS facility and associated infrastructure, at the authorised Aggeneys Solar Energy Facility (SEF) Substation near Aggeneys in the Northern Cape Province. The proposed BESS facility will be located off the N14, on Portion 1 of the Farm Aroams 57 RD, approximately 3 km east of the Aggeneys in the Northern Cape Province. The proposed BESS facility is located within the Springbok Renewable Energy Development Zone (REDZ) 8. The proposed BESS comprises a number of DC Battery Enclosures, Converter Stations, associated auxiliary transformers and an HV substation. Each DC Battery Enclosure is approximately 10 x 2 x 4 m (l x b x h), and houses a number of Liquid cooled Lithium-ion batteries or Vanadium Redox Flow Batteries. The enclosure is equipped with a fire detection system, and gas detection and prevention mechanism. A typical 153MW/612MWh BESS system comprises a number of DC Battery Enclosures at a capacity of 2.81 MW. The proposed system has a 4 hour discharge time, with a usable energy of 0.7 MW, hence for a 153MW/612MWh BESS system, approximately 215 battery enclosures are required. Each Converter Station comprises of 2 converters (~4200 kW,~1500VDC, - 690Vac) feeding into a single MV transformer (690V/(22kV-33kV)), with the dimensions of each converter measuring 3.0 x 2.0 x 2.2m. A single converter is fed from approximately 7 Battery Enclosures. The BESS is supplied by a number of outdoor auxiliary transformers ((22kV-33kV)/(220-380V)) to provide auxiliary power to the plant. The MV transformers feed the HV substation which steps the voltage from 22kV to 66kV through one or more HV transformers, in the HV substation connecting to the Eskom grid. The onsite HV substation has been constructed with a footprint of approximately 6 200m2 and encloses the 22kV/66kV HV power transformer. A lightning mast with a maximum height of 24m, tower sections, earthing switches, circuit breakers, surge arrestors, busbars and other miscellaneous substation equipment, including a substation building containing MV switchgear, control and protection equipment will also form part of the onsite substation.

ApplicationDate: 

Wednesday, March 15, 2023 - 12:21

CaseID: 

20913

OtherReferences: 

Heritage Reports: 

HIA: Aggeneys PV BESS

ReferenceList: 
 
 

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