ACHIEVING >50% RENEWABLES AT AGNEW GOLD MINE JAMES KOERTING - - PowerPoint PPT Presentation

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ACHIEVING >50% RENEWABLES AT AGNEW GOLD MINE JAMES KOERTING - - PowerPoint PPT Presentation

lick as are all on top and can be moved to ACHIEVING >50% RENEWABLES AT AGNEW GOLD MINE JAMES KOERTING ENERGY MANAGER Energy & Mines Australia 4 August 2020 Forward Looking statements Certain statements in this document


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lick as are all “on top” and can be moved to

ACHIEVING >50% RENEWABLES AT AGNEW GOLD MINE

JAMES KOERTING – ENERGY MANAGER Energy & Mines Australia

4 August 2020

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Certain statements in this document constitute “forward looking statements” within the meaning of Section 27A of the US Securities Act of 1933 and Section 21E of the US Securities Exchange Act of 1934. In particular, the forward looking statements in this document include among others those relating to the Damang Exploration Target Statement; the Far Southeast Exploration Target Statement; commodity prices; demand for gold and other metals and minerals; interest rate expectations; exploration and production costs; levels of expected production; Gold Fields’ growth pipeline; levels and expected benefits of current and planned capital expenditures; future reserve, resource and other mineralisation levels; and the extent of cost efficiencies and savings to be achieved. Such forward looking statements involve known and unknown risks, uncertainties and other important factors that could cause the actual results, performance or achievements of the company to be materially different from the future results, performance or achievements expressed or implied by such forward looking statements. Such risks, uncertainties and other important factors include among others: economic, business and political conditions in South Africa, Ghana, Australia, Peru and elsewhere; the ability to achieve anticipated efficiencies and other cost savings in connection with past and future acquisitions, exploration and development activities; decreases in the market price of gold and/or copper; hazards associated with underground and surface gold mining; labour disruptions; availability terms and deployment of capital or credit; changes in government regulations, particularly taxation and environmental regulations; and new legislation affecting mining and mineral rights; changes in exchange rates; currency devaluations; the availability and cost of raw and finished materials; the cost of energy and water; inflation and other macro-economic factors, industrial action, temporary stoppages of mines for safety and unplanned maintenance reasons; and the impact of the AIDS and other occupational health risks experienced by Gold Fields’ employees. These forward looking statements speak only as of the date of this document. Gold Fields undertakes no obligation to update publicly or release any revisions to these forward looking statements to reflect events or circumstances after the date of this document or to reflect the occurrence of unanticipated events.

Agnew Hybrid Project | James Koerting | 4 August 2020

Forward Looking statements

ARENA Disclaimer The views expressed herein are not necessarily the view of the Australian Government, and the Australian Government does not accept responsibility for any information or advice contained herein.

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Agenda

Agnew Hybrid Project | James Koerting | 4 August 2020

About Gold Fields

1

Problem statements

2

Agnew hybrid renewable microgrid

3

Project derisking process

4

Agnew’s lessons

5

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Gold Fields Limited

9 gold mines  1 project  5 countries  2.2 Moz annual gold production  GFI (JSE, NYSE)

Agnew Hybrid Project | James Koerting | 4 August 2020

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THE NEGATIVE IMPACTS OF CLIMATE CHANGE ARE BEING REALISED AND MINING COMPANIES HAVE SET DEADLINES TO DECARBONISE THEIR OPERATIONS

Problem Statement 1

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TO FULLY DECARBONISE WE MUST ALSO ELECTRIFY OUR FLEETS SO OUR PLANS FOR RENEWABLE ENERGY PRODUCTION MUST (DOUBLE)

Problem Statement 2

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HIGH PENETRATION RENEWABLES PRESENT A STABILITY RISK TO MINE SITE MICROGRIDS AND SAFETY AND PRODUCTION ARE KING

Problem Statement 3

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Energy & Mines | James Koerting | 4 August 2020

AGNEW HYBRID RENEWABLE MICROGRID

Project recap

4MW SOLAR PV

10,710 X SUNTECH PANELS 5 MVA SMA CENTRALISED SOLAR INVERTER NEXTRACKER SINGLE AXIS TRACKING SYSTEM STEADYSUN CLOUD FORECASTING CAMERA SYSTEM DESIGNED & CONSTRUCTED BY JUWI

21MW THERMAL POWER STATION

9 x 2MW CUMMINS GAS RECIP 2 x 1.6MW CUMMINS DIESEL RECIP 25KM GAS LATERAL PIPELINE

13MW/4MWh BATTERY STORAGE

SAFT LI-ION NMC/NCA 6 x 2.5MVA SMA CENTRALISED STORAGE INVERTERS

18MW WIND

5 x GOLDWIND GW140 3.57MW PERMANENT MAGNET DRIVE WITH FULL CONVERTER SYSTEM 110M HUB HEIGHT 140M ROTOR DIAMETER

MICROGRID CONTROL SYSTEM

ENTURA HYBRID MICROGRID CONTROL SYSTEM

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Energy & Mines | James Koerting | 4 August 2020

AGNEW HYBRID RENEWABLE MICROGRID

Project recap

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Energy & Mines | James Koerting | 4 August 2020

AGNEW HYBRID RENEWABLE MICROGRID

Project recap 2.3MW 2.1MW 2.3MW 2.2MW 2.1MW 2.5MW 2.0MW BESS 8.2m/s 11MW 15MW

WIND GAS SOLAR MINE

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Energy & Mines | James Koerting | 4 August 2020 0.0 5.0 10.0 15.0 20.0 25.0 12:00:00 AM 12:30:00 AM 1:00:00 AM 1:30:00 AM 2:00:00 AM 2:30:00 AM 3:00:00 AM 3:30:00 AM 4:00:00 AM 4:30:00 AM 5:00:00 AM 5:30:00 AM 6:00:00 AM 6:30:00 AM 7:00:00 AM 7:30:00 AM 8:00:00 AM 8:30:00 AM 9:00:00 AM 9:30:00 AM 10:00:00 AM 10:30:00 AM 11:00:00 AM 11:30:00 AM 12:00:00 PM 12:30:00 PM 1:00:00 PM 1:30:00 PM 2:00:00 PM 2:30:00 PM 3:00:00 PM 3:30:00 PM 4:00:00 PM 4:30:00 PM 5:00:00 PM 5:30:00 PM 6:00:00 PM 6:30:00 PM 7:00:00 PM 7:30:00 PM 8:00:00 PM 8:30:00 PM 9:00:00 PM 9:30:00 PM 10:00:00 PM 10:30:00 PM 11:00:00 PM 11:30:00 PM 12:00:00 AM

MEGAWATTS

Solar Wind Battery Thermal Mine Load

AGNEW ENERGY PRODUCTION 22 JULY 2020

RENEWABLES 60% THERMAL 40%

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Energy & Mines | James Koerting | 4 August 2020

RENEWABLE RESOURCE

AREMI, SODAR

1

CONFIGURATION & SIZING

CONSULTANTS, MODELLING

2

CIVIL DESIGN

GEOTECHNICAL DRILLING

3

IPP CAPABILITY

MARKET EOI, RISK APPROPRIATION

4

TECHNOLOGY

ARENA FUNDING

5

HYBRID MICROGRID DERISKING

Agnew’s process

INTEGRATION

STAGED DEPLOYMENT

6

54%

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Energy & Mines | James Koerting | 4 August 2020 0.0 5.0 10.0 15.0 20.0 25.0 12:00:00 AM 12:30:00 AM 1:00:00 AM 1:30:00 AM 2:00:00 AM 2:30:00 AM 3:00:00 AM 3:30:00 AM 4:00:00 AM 4:30:00 AM 5:00:00 AM 5:30:00 AM 6:00:00 AM 6:30:00 AM 7:00:00 AM 7:30:00 AM 8:00:00 AM 8:30:00 AM 9:00:00 AM 9:30:00 AM 10:00:00 AM 10:30:00 AM 11:00:00 AM 11:30:00 AM 12:00:00 PM 12:30:00 PM 1:00:00 PM 1:30:00 PM 2:00:00 PM 2:30:00 PM 3:00:00 PM 3:30:00 PM 4:00:00 PM 4:30:00 PM 5:00:00 PM 5:30:00 PM 6:00:00 PM 6:30:00 PM 7:00:00 PM 7:30:00 PM 8:00:00 PM 8:30:00 PM 9:00:00 PM 9:30:00 PM 10:00:00 PM 10:30:00 PM 11:00:00 PM 11:30:00 PM 12:00:00 AM

MEGAWATTS

Solar Wind Battery Thermal Mine Load

AGNEW ENERGY PRODUCTION 22 JULY 2020

RENEWABLES 60% THERMAL 40%

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Energy & Mines | James Koerting | 4 August 2020 0.0 5.0 10.0 15.0 20.0 25.0 12:00:00 AM 12:30:00 AM 1:00:00 AM 1:30:00 AM 2:00:00 AM 2:30:00 AM 3:00:00 AM 3:30:00 AM 4:00:00 AM 4:30:00 AM 5:00:00 AM 5:30:00 AM 6:00:00 AM 6:30:00 AM 7:00:00 AM 7:30:00 AM 8:00:00 AM 8:30:00 AM 9:00:00 AM 9:30:00 AM 10:00:00 AM 10:30:00 AM 11:00:00 AM 11:30:00 AM 12:00:00 PM 12:30:00 PM 1:00:00 PM 1:30:00 PM 2:00:00 PM 2:30:00 PM 3:00:00 PM 3:30:00 PM 4:00:00 PM 4:30:00 PM 5:00:00 PM 5:30:00 PM 6:00:00 PM 6:30:00 PM 7:00:00 PM 7:30:00 PM 8:00:00 PM 8:30:00 PM 9:00:00 PM 9:30:00 PM 10:00:00 PM 10:30:00 PM 11:00:00 PM 11:30:00 PM 12:00:00 AM

MEGAWATTS

Solar Wind Battery Thermal Mine Load Curtailed Renewables

AGNEW ENERGY PRODUCTION WITH CURTAILMENT

RENEWABLES 60% THERMAL 40% CURTAILED 20%

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Energy & Mines | James Koerting | 4 August 2020 0.0 5.0 10.0 15.0 20.0 25.0 12:00:00 AM 12:30:00 AM 1:00:00 AM 1:30:00 AM 2:00:00 AM 2:30:00 AM 3:00:00 AM 3:30:00 AM 4:00:00 AM 4:30:00 AM 5:00:00 AM 5:30:00 AM 6:00:00 AM 6:30:00 AM 7:00:00 AM 7:30:00 AM 8:00:00 AM 8:30:00 AM 9:00:00 AM 9:30:00 AM 10:00:00 AM 10:30:00 AM 11:00:00 AM 11:30:00 AM 12:00:00 PM 12:30:00 PM 1:00:00 PM 1:30:00 PM 2:00:00 PM 2:30:00 PM 3:00:00 PM 3:30:00 PM 4:00:00 PM 4:30:00 PM 5:00:00 PM 5:30:00 PM 6:00:00 PM 6:30:00 PM 7:00:00 PM 7:30:00 PM 8:00:00 PM 8:30:00 PM 9:00:00 PM 9:30:00 PM 10:00:00 PM 10:30:00 PM 11:00:00 PM 11:30:00 PM 12:00:00 AM

MEGAWATTS

Solar Wind Renewables with Inertia Support Battery New Thermal Mine Load Curtailed Renewables

POTENTIAL ENERGY PRODUCTION WITH INERTIA SUPPORT

RENEWABLES 68% THERMAL 32% CURTAILED 11%

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Energy & Mines | James Koerting | 4 August 2020 0.0 5.0 10.0 15.0 20.0 25.0 12:00:00 AM 12:30:00 AM 1:00:00 AM 1:30:00 AM 2:00:00 AM 2:30:00 AM 3:00:00 AM 3:30:00 AM 4:00:00 AM 4:30:00 AM 5:00:00 AM 5:30:00 AM 6:00:00 AM 6:30:00 AM 7:00:00 AM 7:30:00 AM 8:00:00 AM 8:30:00 AM 9:00:00 AM 9:30:00 AM 10:00:00 AM 10:30:00 AM 11:00:00 AM 11:30:00 AM 12:00:00 PM 12:30:00 PM 1:00:00 PM 1:30:00 PM 2:00:00 PM 2:30:00 PM 3:00:00 PM 3:30:00 PM 4:00:00 PM 4:30:00 PM 5:00:00 PM 5:30:00 PM 6:00:00 PM 6:30:00 PM 7:00:00 PM 7:30:00 PM 8:00:00 PM 8:30:00 PM 9:00:00 PM 9:30:00 PM 10:00:00 PM 10:30:00 PM 11:00:00 PM 11:30:00 PM 12:00:00 AM

MEGAWATTS

Solar Wind Renewables with Inertia Support Storage Production Battery New Thermal Mine Load Curtailed Renewables

POTENTIAL ENERGY PRODUCTION WITH INERTIA SUPPORT + STORAGE

RENEWABLES 78% THERMAL 22% CURTAILED 1%

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RENEWABLES + INERTIA + STORAGE + THERMAL BACKUP = 99% EMISSIONS REDUCTION

MICROGRID FORMULA FOR EMISSIONS REDUCTION

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Energy & Mines | James Koerting | 4 August 2020

GAS SUPPLY

DESIGN FOR NO FLOW CONDITION

1

BESS DESIGN

EXPANDABLE DC BUS FOR STORAGE

2

PIPELINE VS LNG VS DIESEL

AT 99% THERMAL IS A CONTINGENCY

3

INERTIA

SYN CON, FLYWHEELS

4

STORAGE

BATTERY, POTENTIAL ENERGY, H2

5

RENEWABLE MICROGRID DERISKING

Agnew’s lessons

99%

CAPACITY FACTORS

WIND: TWICE THE CF SAME COST

6

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  • Thank you

JAMES KOERTING GOLD FIELDS AUSTRALIA