Hybridization of Banfora Gold Mine Burkina Faso 13/03/2020
Annexe 1
Plans et schémas unifilaires
• SONABEL - Carte Electrique_2016 Burkina Faso
Public Disclosure Authorized • ILF – Schéma Unifilaire Centrale PV/BESS - R564-ILF-OD-0004_0
• Mine - Power plant 11kV switchboard - proposed SLD
• SONABEL - POSTE DE BANFORA - PLAN IMPLANTATION-Objet
• SONABEL - POSTE DE BANFORA - SCHEMA UNIFILAIRE-Model.
Public Disclosure Authorized Public Disclosure Authorized Public Disclosure Authorized
ILF CONSULTING ENGINEERS ILF/GER C:\Users\Sarah.Follmann\Desktop\Annexe .docx © ILF 2019 Tin-Akoff
Oursi N Markoye
Salmossi SOCIETE NATIONALE Déou Koutougou D'ELECTRICITE DU BURKINA Gagara Charam-Charam Lilingo Diguel Zoungouwaye Nassoumbou Gorom-Gorom
LEGENDE Saouga Korizéna Falagountou Belharo Essakane site Aravel OUVRAGES EXISTANTS : Yalanga Dalla Arbinda Liaison électrique 225 kV
Liaison électrique 132 kV Baraboulé Liki Liaison électrique 90 kV Sibé Liaison électrique 33 kV Sollé Djibo Banh Maty Gorel Dori Grand centre de consommation Kain Tongomayel Gorgadji Gankouna Djika Chef-lieu de commune électrifié Koubel-Alpha Madougui Village électrifié Bougué Koria Seytenga Poste électrique HT/MT Poste électrique MT Méné Pobé-Mengao Centrale hydroélectrique Kelbo Derhogo Namsiguia Koumbri Centrale thermique - Puis. inst. >2 MW Sabouna Barga Titao Thiou Gargaboulé MALI Dinguiri Kerga Gangaol Titabé Ronga Ramdolla Bani Sampelga OUVRAGES EN PROJET : Lemnogo Dablo Kalo NIGER Liaison électrique 330 kV Youba Bourzanga Aorèma Ouindigui Loubré Rikou Pensa Liaison électrique 225 kV Touya Bango Bogoya Rapougouma Douma Goutoula Bouroum Liaison électrique 132 kV Sananga Lilligomé Rollo Pella Tibitiguia Namsiguia Namissiguima Kononga Yalgo Tankougounadié Liaison électrique 90 kV Gosséré Nagbingou Ouahigouya Kiella Tangaye Liaison électrique 33 kV - Projet TEAM9 Lougouri Mogombouli Toéssin Namissiguima Gatougou Niamey Nimpouya Liaison électrique 33 kV - Projet SINCO Tougué Gomboro Sissamba Ramsa Zimtenga Liaison électrique 33 kV - Projet PSCE Oula Taparko Sonh Séguénéga Coalla Kombori Filly Kiré Sissarka Liaison électrique 33 kV - Projet AFD Toéni Barsalogho Tindangou Sebba Boundoré Bilinga Ziga Bougouré Bayendfoulgo Liaison électrique 33 kV - Projet FDE Zogoré Kalsagado Gountouré Kossouka Neiba Solhan Bougounam Lèba Kayégué Kabo Liaison électrique 33 kV - PRIELER Yallé Loagha Bagadembalé Tougouri Yoba Kwaré-Menguel Bassi Tikaré Nasséré Nagbingou Gongorgouol Poste électrique HT/MT Bangassogo Rom Kongoussi Birou Dakiri Thieloyé Gouyalé Botounou Poste électrique MT Bouga Gompelgo Manni Rondo Pontitiaga Irim Ouanobian Centrale solaire - Puis. inst. > 10 MW Kiembara Lankoué Rambo Ouro-Djiama Botontonga Niankoré Gourcy Kibilo Sabcé Tougo Rouko Pissila Boliel Barani Di Kouy Bognori Kalsaka Liptougou Mansila PROJETS D'ELECTRIFICATION : Daka Koundouba Niassan-Koura Boussoum Kirio Chefs-lieux de commune : Djibasso Niassan Niessega Babonga Madouba Kie Débé Guibaré Projet TEAM9 Kolonkan Kassoum Bassan Tougan Téma Zincko Kaya Hamdalaye Tiemè Kirsi Thion Projet SINCO Mouna Gnimini Gouran Yilou Kawara Boussou Petit-Samba Louda Lebda Guièdougou Diouroum Kassan Gomponsom Projet PSCE Kalsé Bokin Malou Bomborokuy Dimboro Da Song-Naba Mané Bogandé Doumbala Lanfiéra Pougyango Projet AFD Yako Zéguédéguin-Mossi La-todin Boulma Boussouma Projet FDE Bagaré Moutoulou Pibaoré Djimbara Saran Lilbouré Bartiébougou Zékuy Konankoïra Yaba Bibiou PRIELER Ouétté Saria Arbolé Sono Siéna Loungo Boala Belga Village : Gassan Diéré Korsimoro Bounou Niou Toéghin Kissan Siellé Tampouy Koro Biba Projet TEAM9 Zaba Zitenga Bonam Projet SINCO Kougny Tiouma Toma Ourgou-Manéga Toba Toéssin Koury Niaré Pilimpikou Zambanga Projet PSCE Nouna Niémé Bissiga-Mossi Piéla Foutouri Koin Bissiga-Yarcé Dargo Sien Godyr Boussé Projet AFD Kossé Samba Gaskaye Dapélogo Kogho Bourasso Nanoro Gayéri Tiankuy Goundrin Barkoundouba Tampaongo Ziga Projet FDE Sao Goupana Boulsa Nalidougou Botou Lékuy Absouya Sandogo Pagatenga Donsin PRIELER Douroula Yé Soum Bologo Kaonghin Lalle ZoumaSaale Ziniaré Sawana Mokin-Yarcé Dokuy Kordié Pella Temnaoré Nioniogo Goué OUVRAGES / PAYS VOISINS : Massala Didyr Siglé Laye Laongo Bilanga Passakongo Soaw Loumbila Poste HT interconnecté Gossina Nièga Sanghin Kantchari Kodougou Pabré Nomgana ONEA/Ziga Paraouigué Sambalgou Ninion Localité interconnectée Kosso Kindi Gonsé Nagréongo Salogo Pissi Tansila Kamboincé Kossodo Dédougou Dassa Pouni-Nord Méguet Founa Imasgho Basséko Mantougou Balavé Ouaga1 Sanaba Kamandéna Sourgoubila Ouaga2 Ouaga-Est Le tracé des frontières territoriales est indicatif et n'a pas de valeur juridique Perkouan Saaba Zam Kando Bonyolo Nassoulou Tanghin Ziga Nayalgué Zagtouli Patte d'Oie Matiacoali Réo Nandiala Kalwartenga Andemtenga Yamba Ekoulkoala Bingo Zagtouli Koulweogo Boudiéri Kari Finougou Kyon Zoula Niangdo Zempassogo Poun Kilsio Villy Saria Ouaga2000 Ouagadougou Mogtédo Gonkin Noessin Tchériba Yaoguin Loaga Tanghin-Dassouri ONEA/Mouhoun Tialgo Pitmoaga Zorgho Nimpougo Pouytenga Daboura Komsilga Signoghin Goulouré Boudry Koupèla Songretenga Ténado Goundi Koudougou Ramongo Poa Lelkom Tuiré Bolontou Tibga Yankasso Ralo ZamnonghoKomsilga Sapaga Toulougou Séguim Baskouré Sakoinsé Kokologo Kienfangué Koubri Foulgo Solenzo Tiogo Koukouldi Komki-Ipala Tintogo Konlastenga Komandougou Bassemyam Lilgomdé Kabèga Diapangou Sami Tio Doudou Salbisgo Nédogo Boudangou Ouarkoye Fouankuy Sourgou Zoungou Safané Nohoungo Kanrin Gounghin Maouda Kona Koualio Pousghin Guigui Sambin Kombissiri Bougui Yargo Diapaga Siou Sabou Liguidi-Malguem Tangaye Lah Pissi Mankarga Tanwalbougou Balogo Zanré Faramana Zina Saponé Diabo Fada N'Gourma Kosso Kalghin Gaongo Bourma Lioulgou Gandéongo-Bogodin Namoungou Zamo Ipendo Kayao Dialgaye Wona Pouni Tuili Tensobentenga Kéra Godé Thyou Doulougou Oury Dassoui Lorgho Partiaga Ipélcé Bonsrima Bouéna Nadiabonli Morolaba Sala Poessin Tatiangou Bana Tita Saatenga Popomou Kouka Oullo Nébiélianayou Zangogho Fo Yelembassé Tansarga Pompoï Masgo Komtoèga Sabtenga Kogoli Ouéré Bondokuy Siby Tiodié Sidtenga Bissiga Namounou Kayan Toécé Mamou Famberla Bougnounou Garango Béré Béguédo Tenkodogo Konli Yaho Ouako Tambaga Kayo Bindé Torla Kiougou-Kandaga Vy Boromo Zawara Lilgomdé N'Dorola Diontala Bakata Nioryida Kampoaga Bounou Bagassi Namponkoré Loanga Zano Moaga Koundougou Sara Dalo Niaogho Boussouma Ouahabou Guiba Mahadaga Virou Comin-Yanga Padéma Manga Kindi-Kombou Gao Lalgaye Békuy Logobou Kourouma Dandé Béréba Poura-Mine Silly Cassou Boni Sindo Nobéré Gogo Dourtenga Bousgou Bané Dohoun Sapouy Ouargaye Karaba Bagré Salembaoré Pa Fara Dana Yondé Madjoari N'Gorlani Houndé Satiri Karna Tô Bagré Koti Gomboussougou Ponga Dorossiamasso Bama Bouzourou Guiaro Goulagon Dirzé Samorogouan Kongloré Desso Dakola Kourga Banzon Banahorodougou Kofila Founzan NamandalaMétio DindéogoMédiga Zonsé Méné Sourkoudougou Banakélédaga Léna Zoaga Pe Oronkua Wangala Bittou Tiao Pama Kounséni Bobo-Dioulasso Leguema Sébédougou Niabouri Yourga Sikasso Nohao Diougou Kotédougou Koumbia Kayéro Gon Karangasso-sambla Sogossagasso Zourma Mogandé Yoyo Yourkoudghin Soudougui Bobo1 Borodougou Sissili-Nouna Pô Yargatenga Koua Zabré Sangha-Yarcé Djigouéra Bobo2 Dano Tiakané Sangabouli Nadiagou Tondogosso Kanyiré Vaongo Sangha Pala Koro Yegueresso Ténoulé Nadion Lô-Pouri Koumi Badongo Cinkansé GuéguéréPontiéba Tiébélé Lô-Moulnia Youga Kodeni Baré Zoro Douabié Youngou Kombilga Lanfiéra Matourkou NiégoKpaï Léo Songo Dagomkom Kompienga Koloko Déguélé Babora Ouéssa Tiponi Ballerebié 2 Bawku Kaongo Piéré Kolinka Ballerebié 1 Sinkassé Longo Darsalamy Poya Koper Onliassan Ziou Dienbendé Kompienga Sokoroni Mahon Biéha Gonré Zoaga Niampédougou Bozo Boura Zecco BENIN Toussiamasso Soumousso Diébougou Hamélé Diéri Noumoudara Guelwongo I + II Orodara Kourinion Bamako Kangala Péni Klesso Loto Dissin Hamale Samogohiri Tapoko Djikologo Nakar Taga Bondigui Bapla Tangsebla Gwolu Moussodougou Karangasso-Vigué Dolo Saala Zebila Paga Ouéléni Toussiana Tourni Zambo TOGO Bérégadougou Tiankoura Bolgatanga Kankalaba Degué-Degué Iolonioro Niofila Wolonkoto Sankrala Sidéradougou Sindou Banfora Han Tengrela Douna Kossara Tiéfora Nako Loumana Konandougou Siniéna GHANA Bouroum-Bouroum Kouténa Bamoï Brambéra Soubakaniédougou Diarabakoko Malba Niankorodougou Dakoro Ouo
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Folonzo Auteur : SONABEL Mangodara Batié Boussoukoula Elaboration et mise en plan : DEPE
Source des données : MME - SONABEL - FDE COTE D'IVOIRE Ferkessédougou Mise à jour : Novembre 2016
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POSTE 225/132/33 KV DE BANFORA - - - SCHEMA UNIFILAIRE SONABEL AOUT 2018 S O N A B E L --- DEPI PLAN N° AO*-** FORMAT A3 Hybridization of Banfora Gold Mine Burkina Faso 13/02/2020 Annexe 2
Simulation pour la centrale solaire de 30MWc et 50MWh Phase1 Phase 2 Phase 3 HFO + PV + Battery + HFO + PV + Battery + 100% HFO HFO + PV + Battery Grid Grid Off-grid Off-grid Grid connected Grid connected Current situtation Year 1* Year 4* Year 25* Diesel generators – installed power (@45°C) [kW] 4.200 4.200 4.200 4.200 HFO generators – installed power (@45°C) [kW] 19.194 19.194 19.194 19.194 PV installed capacity (STC) [kWp] 0 30.000 30.000 30.000
System System Battery installed capacity (0.5C), DOD = 90% [kWh] 0 50.000 50.000 50.000
configuration Grid capacity (132 kV connection) [kW] 0 0 Unlimited Unlimited Total annual power consumption of the mine [kWh/a] 70.301.996 70.301.996 70.301.996 70.301.996 Diesel generators [kWh/a] 0 0 0 0 HFO generators [kWh/a] 70.301.996 35.236.045 0 0 PV [kWh/a] 0 21.412.082 27.001.687 26.206.771 Battery [kWh/a] 0 13.653.869 13.535.226 8.261.171 Grid [kWh/a] 0 0 29.765.083 35.834.054 Yearly share of Diesel (as % of the total power consumption) [%] 0% 0,0% 0,0% 0,0% Yearly share of HFO (as % of the total power consumption) [%] 100% 50,1% 0,0% 0,0% Yearly share of PV (as % of the total power consumption) [%] 0% 30,5% 38,4% 37,3% Yearly share of Battery (as % of the total power consumption) [%] 0% 19,4% 19,3% 11,8% Yearly share of PV and Battery (as % of the total power consumption) [%] 0% 49,9% 57,7% 49,0% Yearly share of Grid (as % of the total power consumption) [%] 0% 0,0% 42,3% 51,0% PV total production [kWh/a] 0 49.942.552 49.942.552 43.699.733 Battery charging [kWh/a] 0 15.163.761 15.018.332 9.157.955 Battery discharging [kWh/a] 0 13.653.869 13.535.226 8.261.171 [kWh/a] 0 1.509.892 1.483.106 896.784 Battery losses
Energy supply mix of the mine the of mix supply Energy % 0% 10% 10% 10% [kWh/a] 0 0 29.765.083 35.834.054 Grid purchase % 0% 0% 42% 51% [kWh/a] 0 0 7.922.533 8.335.007 Grid sales (of total PV production) % 0% 0% 16% 19% [kWh/a] 0 13.366.709 0 0 Excess of PV energy (of total PV production) % 0% 27% 0% 0% Diesel consumption [l/a] 0 0 0 0 HFO consumption [l/a] 16.010.543 8.624.194 0 0 on
Fuel Fuel Average specific consumption of Diesel generators [l/kWh] ----
consumpti Average specific consumption of HFO generators [l/kWh] 0,228 0,245 - - *after hybridization of the mine
ILF CONSULTING ENGINEERS ILF/GER C:\Users\Sarah.Follmann\Desktop\Annexe .docx © ILF 2019 Hybridization of Banfora Gold Mine Burkina Faso 31/01/2020 Annexe 2
Simulation pour la centrale solaire de 30MWc et 50MWh Phase1 Phase 2 Phase 3 HFO + PV + Battery + HFO + PV + Battery + 100% HFO HFO + PV + Battery Grid Grid Off-grid Off-grid Grid connected Grid connected Current situtation Year 1* Year 4* Year 25* Diesel generators – installed power (@45°C) [kW] 4.200 4.200 4.200 4.200 HFO generators – installed power (@45°C) [kW] 19.194 19.194 19.194 19.194 PV installed capacity (STC) [kWp] 0 30.000 30.000 30.000
System System Battery installed capacity (0.5C), DOD = 90% [kWh] 0 50.000 50.000 50.000
configuration Grid capacity (132 kV connection) [kW] 0 0 Unlimited Unlimited Total annual power consumption of the mine [kWh/a] 70.301.996 70.301.996 70.301.996 70.301.996 Diesel generators [kWh/a] 0 0 0 0 HFO generators [kWh/a] 70.301.996 35.236.045 0 0 PV [kWh/a] 0 21.412.082 27.001.687 26.206.771 Battery [kWh/a] 0 13.653.869 13.535.226 8.261.171 Grid [kWh/a] 0 0 29.765.083 35.834.054 Yearly share of Diesel (as % of the total power consumption) [%] 0% 0,0% 0,0% 0,0% Yearly share of HFO (as % of the total power consumption) [%] 100% 50,1% 0,0% 0,0% Yearly share of PV (as % of the total power consumption) [%] 0% 30,5% 38,4% 37,3% Yearly share of Battery (as % of the total power consumption) [%] 0% 19,4% 19,3% 11,8% Yearly share of PV and Battery (as % of the total power consumption) [%] 0% 49,9% 57,7% 49,0% Yearly share of Grid (as % of the total power consumption) [%] 0% 0,0% 42,3% 51,0% PV total production [kWh/a] 0 49.942.552 49.942.552 43.699.733 Battery charging [kWh/a] 0 15.163.761 15.018.332 9.157.955 Battery discharging [kWh/a] 0 13.653.869 13.535.226 8.261.171 [kWh/a] 0 1.509.892 1.483.106 896.784 Battery losses
Energy supply mix of the mine the of mix supply Energy % 0% 10% 10% 10% [kWh/a] 0 0 29.765.083 35.834.054 Grid purchase % 0% 0% 42% 51% [kWh/a] 0 0 7.922.533 8.335.007 Grid sales (of total PV production) % 0% 0% 16% 19% [kWh/a] 0 13.366.709 0 0 Excess of PV energy (of total PV production) % 0% 27% 0% 0% Diesel consumption [l/a] 0 0 0 0 HFO consumption [l/a] 16.010.543 8.624.194 0 0 on
Fuel Fuel Average specific consumption of Diesel generators [l/kWh] ----
consumpti Average specific consumption of HFO generators [l/kWh] 0,228 0,245 - - *after hybridization of the mine
ILF CONSULTING ENGINEERS ILF/GER https ://intern.project2.ilf.com/MUC5/R564/ODID/R564-ILF-OD-00004/Annexe complete Rev1 .docx © ILF 2020 Hybridization of Banfora Gold Mine Burkina Faso 09/12/2019
Annex 3
Simulation PVSYST
ILF CONSULTING ENGINEERS ILF/GER C:\Users\Sarah.Follmann\Desktop\Annexe complete .docx © ILF 2019 PVSYST V6.78 ILF Beratende Ingenieure GmbH (Germany) 21/11/19 Page 1/4
Grid-Connected System: Simulation parameters
Project : R564 Burkina Faso Hybrid Plant Geographical Site Teranga Mine Country Burkina Faso Situation Latitude 10.37° N Longitude -5.39° W Time defined as Legal Time Time zone UT Altitude 321 m Albedo 0.20 Meteo data: Teranga Mine SolarGIS iMaps - Synthetic
Simulation variant : first draft, fixed tilt, poly, central Simulation date 21/11/19 16h26
Simulation parameters System type Unlimited sheds Collector Plane Orientation Tilt 10° Azimuth 0° Sheds configuration Nb. of sheds 20 Unlimited sheds Sheds spacing 9.00 m Collector width 4.00 m Inactive band Top 0.02 m Bottom 0.02 m Shading limit angle Limit profile angle 7.9° Ground cov. Ratio (GCR) 44.4 % Shadings electrical effect Cell size 15.6 cm Strings in width 12
Models used Transposition Perez Diffuse Perez, Meteonorm Horizon Free Horizon Near Shadings Mutual shadings of sheds Electrical effect User's needs : Unlimited load (grid)
PV Array Characteristics PV module Si-poly Model JKM 320PP-72-V Original PVsyst database Manufacturer Jinkosolar Number of PV modules In series 30 modules In parallel 300 strings Total number of PV modules Nb. modules 9000 Unit Nom. Power 320 Wp Array global power Nominal (STC) 2880 kWp At operating cond. 2593 kWp (50°C) Array operating characteristics (50°C) U mpp 1010 V I mpp 2567 A Total area Module area 17463 m² Cell area 15770 m²
Inverter Model Sunny Central 2500-EV Original PVsyst database Manufacturer SMA Characteristics Operating Voltage 850-1425 V Unit Nom. Power 2500 kWac Inverter pack Nb. of inverters 1 units Total Power 2500 kWac Pnom ratio 1.15
PV Array loss factors Array Soiling Losses Loss Fraction 2.0 % Thermal Loss factor Uc (const) 29.0 W/m²K Uv (wind) 0.0 W/m²K / m/s Wiring Ohmic Loss Global array res. 6.6 mOhm Loss Fraction 1.5 % at STC LID - Light Induced Degradation Loss Fraction 1.5 % Module Quality Loss Loss Fraction -0.8 % Module Mismatch Losses Loss Fraction 1.0 % at MPP Strings Mismatch loss Loss Fraction 0.10 % Incidence effect, ASHRAE parametrization IAM = 1 - bo (1/cos i - 1) bo Param. 0.05
PVsyst Licensed to ILF Beratende Ingenieure GmbH (Germany) PVSYST V6.78 ILF Beratende Ingenieure GmbH (Germany) 21/11/19 Page 2/4
Grid-Connected System: Simulation parameters
System loss factors AC wire loss inverter to transfo Inverter voltage 550 Vac tri Wires: 3x4000.0 mm² 228 m Loss Fraction 1.0 % at STC External transformer Iron loss (Night disconnect) 2820 W Loss Fraction 0.1 % at STC Resistive/Inductive losses 1.07 mOhm Loss Fraction 1.0 % at STC Unavailability of the system 3.6 days, 5 periods Time fraction 1.0 %
PVsyst Licensed to ILF Beratende Ingenieure GmbH (Germany) PVSYST V6.78 ILF Beratende Ingenieure GmbH (Germany) 21/11/19 Page 3/4
Grid-Connected System: Main results Project : R564 Burkina Faso Hybrid Plant Simulation variant : first draft, fixed tilt, poly, central
Main system parameters System type Unlimited sheds PV Field Orientation Sheds disposition, tilt 10° azimuth 0° PV modules Model JKM 320PP-72-V Pnom 320 Wp PV Array Nb. of modules 9000 Pnom total 2880 kWp Inverter Model Sunny Central 2500-EV Pnom 2500 kW ac User's needs Unlimited load (grid)
Main simulation results System Production Produced Energy 4794 MWh/year Specific prod. 1665 kWh/kWp/year Performance Ratio PR 79.53 %
Normalized productions (per installed kWp): Nominal power 2880 kWp Performance Ratio PR
7 1.0 Lc : Collection Loss (PV-array losses) 0.98 kWh/kWp/day PR : Performance Ratio (Yf / Yr) : 0.795 0.9 Ls : System Loss (inverter, ...) 0.2 kWh/kWp/day 6 Yf : Produced useful energy (inverter output) 4.56 kWh/kWp/day 0.8
5 0.7
0.6 4 0.5
3 0.4 Performance Ratio PR 2 0.3 Normalized Energy [kWh/kWp/day] 0.2 1 0.1
0 0.0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
first draft, fixed tilt, poly, central Balances and main results
GlobHor DiffHor T_Amb GlobInc GlobEff EArray E_Grid PR kWh/m² kWh/m² °C kWh/m² kWh/m² MWh MWh January 179.0 78.00 26.10 195.2 184.9 468.8 453.6 0.807 February 169.0 78.00 28.10 178.9 169.6 425.1 397.9 0.772 March 182.0 98.00 30.30 185.6 175.4 437.1 413.7 0.774 April 173.0 94.00 31.80 170.9 161.3 400.4 387.9 0.788 May 185.0 93.00 31.10 178.0 167.8 419.0 405.7 0.792 June 165.0 89.00 29.50 157.0 147.7 374.7 357.7 0.791 July 159.0 90.00 26.90 152.0 143.0 366.8 355.4 0.812 August 149.0 86.00 25.10 145.6 137.0 354.2 335.1 0.799 September 160.0 81.00 25.80 160.6 151.8 387.0 374.4 0.810 October 180.0 82.00 27.00 188.0 178.1 450.2 435.6 0.805 November 175.0 73.00 26.10 189.0 179.4 453.2 438.3 0.805 December 175.0 74.00 25.39 192.4 182.5 463.3 439.1 0.792 Year 2051.0 1015.99 27.76 2093.3 1978.3 4999.9 4794.5 0.795
Legends: GlobHor Horizontal global irradiation GlobEff Effective Global, corr. for IAM and shadings DiffHor Horizontal diffuse irradiation EArray Effective energy at the output of the array T_Amb Ambient Temperature E_Grid Energy injected into grid GlobInc Global incident in coll. plane PR Performance Ratio
PVsyst Licensed to ILF Beratende Ingenieure GmbH (Germany) PVSYST V6.78 ILF Beratende Ingenieure GmbH (Germany) 21/11/19 Page 4/4
Grid-Connected System: Loss diagram Project : R564 Burkina Faso Hybrid Plant Simulation variant : first draft, fixed tilt, poly, central
Main system parameters System type Unlimited sheds PV Field Orientation Sheds disposition, tilt 10° azimuth 0° PV modules Model JKM 320PP-72-V Pnom 320 Wp PV Array Nb. of modules 9000 Pnom total 2880 kWp Inverter Model Sunny Central 2500-EV Pnom 2500 kW ac User's needs Unlimited load (grid)
Loss diagram over the whole year
2051 kWh/m² Horizontal global irradiation +2.1% Global incident in coll. plane
-0.1% Global incident below threshold -0.4% Near Shadings: irradiance loss -3.1% IAM factor on global -2.0% Soiling loss factor
1978 kWh/m² * 17463 m² coll. Effective irradiation on collectors efficiency at STC = 16.51% PV conversion
5703 MWh Array nominal energy (at STC effic.) -0.4% PV loss due to irradiance level
-9.4% PV loss due to temperature
0.0% Shadings: Electrical Loss , sheds12 strings in width +0.8% Module quality loss
-1.5% LID - Light induced degradation -1.1% Mismatch loss, modules and strings -1.1% Ohmic wiring loss 5000 MWh Array virtual energy at MPP
-1.9% Inverter Loss during operation (efficiency) 0.0% Inverter Loss over nominal inv. power 0.0% Inverter Loss due to max. input current 0.0% Inverter Loss over nominal inv. voltage 0.0% Inverter Loss due to power threshold 0.0% Inverter Loss due to voltage threshold 0.0% Night consumption 4907 MWh Available Energy at Inverter Output
-1.0% System unavailability -0.6% AC ohmic loss -0.8% External transfo loss 4794 MWh Energy injected into grid
PVsyst Licensed to ILF Beratende Ingenieure GmbH (Germany) Hybridization of Banfora Gold Mine Burkina Faso 13/03/2020
Annexe 4
Documents référencés
Numéro de document Nom du document
Ernst & Young (Aout. 2018) 2018 08 30 – Electrification Banfora- Rapport final phase 1
Ernst & Young (Déc. 2018) 2018 12 13 – Electrification Banfora- Rapport phase 2
R564-ILF-AD-00004 Rapport de conception technique
R564-ILF-AD-00005 Rapport d’évaluation des sites
ILF CONSULTING ENGINEERS ILF/GER C:\Users\Sarah.Follmann\Desktop\Annexe .docx © ILF 2019 Hybridization of Banfora Gold Mine Burkina Faso 13/03/2020
Annexe 5
Détails de l´étude financière pour la configuration retenue
ILF CONSULTING ENGINEERS ILF/GER C:\Users\Sarah.Follmann\Desktop\Annexe .docx © ILF 2019 Hybridization of Banfora Gold Mine Burkina Faso R564-ILF-OD-00008 - Rapport d´étude de préfaisabilité Annexe 5 Détails de l´étude financière pour la configuration retenue
PV 20MWp + BESS INPUT SHEET 15MW/30MWh
INFLATION & ESCALATION RATESINFLATION & ESCALATION RATES Inflation % pa 2,00% Discount Factor % pa 5,99%
TIME SCHEDULE TIME SCHEDULE Price Basis for Cost Assumptions Year 01/01/2019 Evaluation start year Date 01/01/2019 Start of Construction Date 01/01/2020 Construction Period Months 12 Start of Operation Date 01/01/2021 Operation Period Years 25 Evaluation end year Date 31/12/2045
RATES & COSTS RATES & COSTS Exchange rate EUR/USD USD 1,10 Feed-in tariff to IPP EUR/KWh 0,15
DEBT/EQUITY PV + Battery finance Loan amount EUR 32.414.940 Loan period years 15,00 Grace period years 0,00 Thermal Generator finance Loan amount EUR - Loan Interest % 0,00% Loan period years 0,00 Grace period years 0,00
POWER PRODUCTION POWER PRODUCTION Eletrical energy demand kWh 70.301.996 Eletrical energy demand-annual increase %/a 0% PV-Total installed capacity MWp 20,00 PV-Production kWh/a 33.295.034 Year X - Offgrid final kWh/a 33.295.034 Year Y - On grid initial kWh/a 33.295.034 Last Year kWh/a 29.133.155 PV-Annual degradation % pa 0,50% PV-Excess kWh/a 4.951.984 Year X - Offgrid final kWh/a 4.951.984 Year Y - On grid initial kWh/a 1.570.398 Last Year kWh/a 1.599.133 Battery-Installed energy capacity MWh 30,0 Battery-C-rate - 0,5 Battery-Installed power MW 15,0 Battery-Charge kWh/a 8.471.868 Year X - Offgrid final kWh/a 8.471.868 Year Y - On grid initial kWh/a 7.449.197 Last Year kWh/a 4.423.118 Battery-Discharge kWh/a 7.631.165 Year X - Offgrid final kWh/a 7.631.165 Year Y - On grid initial kWh/a 6.723.762 Last Year kWh/a 3.996.175 Battery-Losses % 10% Year X - Offgrid final % 10% Year Y - On grid initial % 10% Last Year % 10% Grid-Power purchase kWh/a 0,00 Year X - Offgrid final kWh/a 0,00 Year Y - On grid initial kWh/a 39.302.795 Last Year kWh/a 43.194.917
ILF Consulting Engineers 13/03/2020 Page 1 / 3 Hybridization of Banfora Gold Mine Burkina Faso R564-ILF-OD-00008 - Rapport d´étude de préfaisabilité Annexe 5 Détails de l´étude financière pour la configuration retenue
PV 20MWp + BESS INPUT SHEET 15MW/30MWh
CAPITAL EXPENDITURES (CAPEX)CAPITAL EXPENDITURES (CAPEX) PV-Initial Capex (incl. contingencies) EUR/kWp 826 PV-Initial Capex, 1st year EUR 16.521.440 PV-Replacement, once every 10 years EUR/kWp 60 PV-Other Capex, once every 10 years EUR 1.200.000 PV-Decommissioning costs EUR 0 Battery-Initial specific Capex (incl. contingencies) EUR/kWh 563 Battery-Initial Capex, 1st year EUR 16.898.480 Battery-Replacement, once every 10 years EUR/kW 60 Battery-Other Capex, once every 10 years EUR 900.000 Grid-Length of OHL 132 kV km 80 Grid-Initial Capex OHL 132 kV EUR/km 110.000 Grid-Initial Capex Substation EUR 1.000.000 Grid-'Initial Capex, Total EUR 9.800.000 OPERATING COSTS (OPEX) OPERATING COSTS (OPEX) PV-Specific Opex EUR/kWp 14,1 PV-Opex % of initial Capex % 1,70% PV-Opex EUR/year 281.287 Battery-Opex EUR/year 84.492
ILF Consulting Engineers 13/03/2020 Page 2 / 3 Hybridization of Banfora Gold Mine Burkina Faso R564-ILF-OD-00008 - Rapport d´étude de préfaisabilité Annexe 5 Détails de l´étude financière pour la configuration retenue
Hybrid system configuration 0,0% 0,0% 0,0% 0,0% 0,0% 0,0% 0,1% 0,1% 0,1% 0,1% 0,1% 0,1% 0,1% 0,1% 0,1% 0,1% 0,1% 0,1% 0,1% 0,1% 0,1% 0,1% 0,0% 0,0% 0,0%
TOTAL PV 20MWp + BESS 15MW/30MWh Unit TOTAL 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 discounted POWER GENERATION BY IPP PV-Production kWh 785.625.128 364.143.674 - - 33.295.034 33.295.034 33.295.034 33.295.034 33.083.995 32.874.293 32.665.920 32.458.869 32.253.129 32.048.694 31.845.554 31.643.703 31.443.130 31.243.829 31.045.791 30.849.008 30.653.473 30.459.177 30.266.113 30.074.272 29.883.647 29.694.231 29.506.015 29.318.992 29.133.155 PV-Direct consumed kWh 582.635.907 262.606.658 - - 19.871.182 19.871.182 19.871.182 24.275.439 24.245.671 24.212.762 24.176.813 24.137.924 24.096.189 24.051.703 24.004.557 23.954.840 23.902.638 23.848.035 23.791.113 23.731.951 23.670.629 23.607.220 23.541.799 23.474.438 23.405.206 23.334.172 23.261.401 23.186.957 23.110.904 PV-Excess kWh 49.719.883 26.034.219 - - 4.951.984 4.951.984 4.951.984 1.570.398 1.571.755 1.573.112 1.574.471 1.575.831 1.577.192 1.578.555 1.579.918 1.581.283 1.582.649 1.584.016 1.585.385 1.586.754 1.588.125 1.589.497 1.590.870 1.592.244 1.593.619 1.594.996 1.596.374 1.597.753 1.599.133 Battery-Charge kWh 153.269.337 75.502.798 - - 8.471.868 8.471.868 8.471.868 7.449.197 7.266.569 7.088.419 6.914.636 6.745.114 6.579.748 6.418.436 6.261.078 6.107.579 5.957.843 5.811.778 5.669.294 5.530.303 5.394.720 5.262.460 5.133.444 5.007.590 4.884.822 4.765.063 4.648.241 4.534.282 4.423.118 Battery-Discharge kWh 138.345.983 68.129.296 - - 7.631.165 7.631.165 7.631.165 6.723.762 6.559.216 6.398.698 6.242.107 6.089.349 5.940.329 5.794.955 5.653.140 5.514.795 5.379.835 5.248.179 5.119.744 4.994.452 4.872.227 4.752.992 4.636.676 4.523.206 4.412.513 4.304.529 4.199.187 4.096.424 3.996.175 Battery-Losses kWh 14.923.354 7.373.501 - - 840.703 840.703 840.703 725.435 707.353 689.721 672.529 655.765 639.419 623.480 607.939 592.784 578.008 563.599 549.550 535.851 522.493 509.468 496.768 484.384 472.309 460.534 449.053 437.859 426.943 Grid-Sales (PV Excess) kWh 34.863.931 14.249.464 - - - - - 1.570.398 1.571.755 1.573.112 1.574.471 1.575.831 1.577.192 1.578.555 1.579.918 1.581.283 1.582.649 1.584.016 1.585.385 1.586.754 1.588.125 1.589.497 1.590.870 1.592.244 1.593.619 1.594.996 1.596.374 1.597.753 1.599.133 Combined total power generation to meet eletrical demand of the Banfora mine kWh 720.981.891 330.735.954 - - 27.502.347 27.502.347 27.502.347 30.999.201 30.804.887 30.611.459 30.418.920 30.227.272 30.036.518 29.846.659 29.657.697 29.469.635 29.282.473 29.096.213 28.910.856 28.726.403 28.542.855 28.360.212 28.178.475 27.997.644 27.817.719 27.638.701 27.460.588 27.283.381 27.107.079 Combined total power generation incl. grid sales kWh 755.845.822 344.985.418 - - 27.502.347 27.502.347 27.502.347 32.569.599 32.376.642 32.184.572 31.993.391 31.803.103 31.613.710 31.425.214 31.237.616 31.050.918 30.865.122 30.680.230 30.496.241 30.313.158 30.130.980 29.949.709 29.769.345 29.589.888 29.411.339 29.233.697 29.056.962 28.881.134 28.706.212 POWER GENERATION BY OFF-TAKER (BANFORA MINE) Generator-Production kWh 128.398.947 101.854.808 - - 42.799.649 42.799.649 42.799.649 ------Combined total power generation to meet eletrical demand kWh 128.398.947 101.854.808 - - 42.799.649 42.799.649 42.799.649 ------POWER GENERATION BY GRID OPERATOR (SONABEL) Grid-Purchase kWh 906.833.222 367.569.572 - - - - - 39.302.795 39.479.919 39.657.842 39.836.566 40.016.096 40.196.435 40.377.586 40.559.554 40.742.342 40.925.954 41.110.393 41.295.664 41.481.769 41.668.713 41.856.500 42.045.133 42.234.616 42.424.953 42.616.147 42.808.204 43.001.126 43.194.917 Combined total power generation to meet eletrical demand kWh 906.833.222 367.569.572 - - - - - 39.302.795 39.479.919 39.657.842 39.836.566 40.016.096 40.196.435 40.377.586 40.559.554 40.742.342 40.925.954 41.110.393 41.295.664 41.481.769 41.668.713 41.856.500 42.045.133 42.234.616 42.424.953 42.616.147 42.808.204 43.001.126 43.194.917 COSTS IPP 6,0% 6,0% 6,0% 6,0% 6,0% 6,0% 6,0% 6,0% 6,0% 6,0% 6,0% 6,0% 6,0% 6,0% 6,0% 6,0% 6,0% 6,0% 12,0% 12,0% 12,0% 12,0% 12,0% 12,0% 12,0% 12,0% PV-Capex EUR 19.832.289 16.910.405 - 16.521.440 ------1.492.049 ------1.818.800 - - - - - PV-Opex EUR 9.373.684 4.027.028 - - 292.651 298.504 304.474 310.563 316.774 323.110 329.572 336.163 342.887 349.744 356.739 363.874 371.152 378.575 386.146 393.869 401.746 409.781 417.977 426.337 434.863 443.561 452.432 461.480 470.710 PV-Total build and operate costs EUR 29.205.973 19.981.652 - 16.521.440 292.651 298.504 304.474 310.563 316.774 323.110 329.572 336.163 342.887 1.841.794 356.739 363.874 371.152 378.575 386.146 393.869 401.746 409.781 417.977 2.245.136 434.863 443.561 452.432 461.480 470.710 Battery-Capex EUR 19.719.586 16.279.092 - 17.236.450 ------1.119.037 ------1.364.100 - - - - - Battery-Opex EUR 2.815.652 1.209.632 - - 87.906 89.664 91.457 93.286 95.152 97.055 98.996 100.976 102.996 105.056 107.157 109.300 111.486 113.716 115.990 118.310 120.676 123.089 125.551 128.062 130.624 133.236 135.901 138.619 141.391 Battery-Total build and operate costs EUR 22.535.238 17.488.724 - 17.236.450 87.906 89.664 91.457 93.286 95.152 97.055 98.996 100.976 102.996 1.224.093 107.157 109.300 111.486 113.716 115.990 118.310 120.676 123.089 125.551 1.492.162 130.624 133.236 135.901 138.619 141.391 Grid-Capex EUR 9.800.000 7.326.369 - - - - 9.800.000 ------Combined total build and operate costs EUR 61.541.211 44.796.745 - 33.757.889 380.556 388.168 10.195.931 403.850 411.927 420.165 428.568 437.140 445.883 3.065.886 463.896 473.174 482.638 492.290 502.136 512.179 522.422 532.871 543.528 3.737.298 565.487 576.797 588.333 600.099 612.101 LEVELIZED COST OF ELECTRICITY (LCOE) for IPP - PV + BESS EUR/kWh 0,130 USD/kWh 0,143
Investment Analysis PV + BESS for IPP REVENUES AND LOSSES PV + BESS Revenues from sold energy based on tariff EUR 150.847.348 65.048.571 - - 4.292.016 4.377.857 4.465.414 5.393.920 5.469.204 5.545.493 5.622.804 5.701.148 5.780.540 5.860.995 5.942.527 6.025.151 6.108.881 6.193.732 6.279.721 6.366.861 6.455.169 6.544.661 6.635.352 6.727.260 6.820.400 6.914.789 7.010.445 7.107.384 7.205.624 Total EUR 150.847.348 65.048.571 - - 4.292.016 4.377.857 4.465.414 5.393.920 5.469.204 5.545.493 5.622.804 5.701.148 5.780.540 5.860.995 5.942.527 6.025.151 6.108.881 6.193.732 6.279.721 6.366.861 6.455.169 6.544.661 6.635.352 6.727.260 6.820.400 6.914.789 7.010.445 7.107.384 7.205.624 FINANCING COSTS PV + BESS Reimbursement - 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ------Start value EUR 32.414.940 30.253.944 28.092.948 25.931.952 23.770.956 21.609.960 19.448.964 17.287.968 15.126.972 12.965.976 10.804.980 8.643.984 6.482.988 4.321.992 2.160.996 0 0 0 0 0 0 0 0 0 0 Disbursement EUR 32.414.940 30.582.837 32.414.940 Debt repayment EUR 32.414.940 19.814.011 - 2.160.996 2.160.996 2.160.996 2.160.996 2.160.996 2.160.996 2.160.996 2.160.996 2.160.996 2.160.996 2.160.996 2.160.996 2.160.996 2.160.996 2.160.996 ------End value EUR 32.414.940 30.253.944 28.092.948 25.931.952 23.770.956 21.609.960 19.448.964 17.287.968 15.126.972 12.965.976 10.804.980 8.643.984 6.482.988 4.321.992 2.160.996 0 0 0 0 0 0 0 0 0 0 0 Interest EUR 14.262.574 10.183.015 891.411 1.723.394 1.604.540 1.485.685 1.366.830 1.247.975 1.129.120 1.010.266 891.411 772.556 653.701 534.847 415.992 297.137 178.282 59.427 0 0 0 0 0 0 0 0 0 0 NET CASHFLOWS INCLUDING FINANCING COSTS 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Net annual cash flow EUR 79.642.530 4.828.641 -9.330.883 27.070 224.154 -2.027.198 1.462.245 1.648.306 1.835.212 2.022.974 2.211.601 2.401.106 1.938.727 2.782.789 2.974.989 3.168.110 3.362.164 3.557.161 5.854.682 5.932.746 6.011.790 6.091.824 5.377.136 6.254.913 6.337.993 6.422.112 6.507.285 6.593.523 Cumulative cashflow EUR 0 -9.330.883 -9.303.814 -9.079.660 -11.106.858 -9.644.613 -7.996.307 -6.161.095 -4.138.122 -1.926.520 474.585 2.413.312 5.196.101 8.171.090 11.339.201 14.701.364 18.258.526 24.113.208 30.045.954 36.057.744 42.149.568 47.526.704 53.781.616 60.119.609 66.541.722 73.049.007 79.642.530 NET CASHFLOWS EXCLUDING FINANCING COSTS Net annual cash flow EUR 89.306.137 21.465.037 -33.757.889 3.911.460 3.989.689 -5.730.517 4.990.071 5.057.277 5.125.328 5.194.235 5.264.008 5.334.658 2.795.109 5.478.631 5.551.977 5.626.243 5.701.442 5.777.584 5.854.682 5.932.746 6.011.790 6.091.824 2.989.961 6.254.913 6.337.993 6.422.112 6.507.285 6.593.523 Cumulative cashflow EUR 0 -33.757.889 -29.846.430 -25.856.741 -31.587.258 -26.597.187 -21.539.910 -16.414.581 -11.220.346 -5.956.338 -621.680 2.173.429 7.652.060 13.204.037 18.830.281 24.531.723 30.309.307 36.163.989 42.096.736 48.108.526 54.200.349 57.190.311 63.445.224 69.783.216 76.205.329 82.712.614 89.306.137
Profitability on Equity Cashflow - Rentabilité sur fonds propres Cashflow - Rentabilité sur projet global Power production to meet eletrical demand of Mine NPV million EUR 4,83 80.000.000 NPV milion USD 5,31 90.000 100.000 IRR % 15,8 80.000 Cashflow annuels nets Cashflow annuels nets 70.000.000 80.000 Benefits/Cost Ratio ratio 1,37 70.000 60.000.000 Payback period years 8,80 Cashflow cumulés Cashflow cumulés Profitability on Total Project 60.000 60.000 50.000.000 NPV million EUR 21,47 50.000 40.000.000 40.000 NPV milion USD 23,62 40.000 kWh
IRR % 11,1 30.000.000 kEUR 30.000 kEUR Benefits/Cost Ratio ratio 1,74 20.000 20.000.000 Payback period years 9,22 20.000 10.000 0 10.000.000 0 - -20.000
-10.000
2021 2024 2027 2028 2030 2031 2034 2037 2038 2040 2041 2044 2023 2025 2026 2029 2032 2033 2035 2036 2039 2042 2043 2045 -20.000 -40.000 2022 Generator-Production PV-Direct consumed Battery-Discharge Grid-Purchase 2020 2025 2030 2035 2040 2045 2020 2025 2030 2035 2040 2045
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