The use of Geographic Information Systems (GIS) in Electrification S lindi Mhlongo, GIS Advisor, Eskom, South Africa
About this Presentation Introduction About Eskom Who is GIS What is GIS GIS in Electrification Planning Use of Spatial datasets Data analysis Way forward
About Eskom Strategic Intent Eskom will be the pre-eminent African energy and related services business of global stature. Vision Together building the power base for sustainable growth and development. Mission Eskom will grow shareholder value by exceeding the needs of local and foreign customers for energy and related services. Core Business: Electricity Distribution, Transmission &Generation
Key Facts about Eskom Is one of the top 13 utilities in the world by generation capacity Generates +/- 95% of electricity used in SA Generates +/- 45% of electricity used in Africa Total assets: R171 181 million Cash flows from operating activities: R7 655 million Capital expenditure: R24 764 million Number of employees: 35 404 Training cost: R784 million Electricity customers: 4 152 312 Electricity sales: 224 366GWh Nominal capacity: 43 037MW Net maximum capacity: 38 744MW Power lines: 366 203km (all voltages)
Who is ESI-GIS Electricity Supply Industry Geographic Information Systems (ESI-GIS) team was subsequently formed during 2002 to develop, manage and supply spatial information solutions within the local and African Electricity Industry (ESI) Part of Eskom Corporate Services Some Services offered; Spatial Data Management & Dissemination Spatial data analysis and Scenario Modelling Data sourcing & Spatial Dataset Development Developing Standards for Spatial Data and Consulting & Advisory services
What is GIS Geographic Information System is an integration of Software, data, personnel & processes that combines layers of information about some portion of the earth. It provides for easy interpretation of database information by presenting data visually.
GIS in Electrification Planning Commitment made by the SA government to reach universal access to electricity by 2012 Calculate the electrification backlog Identify the Electrification backlog areas spatially Fast track the Electrification Process
GIS in electrification Planning Where could GIS assist? Determining & managing the vast number of new connection Provide Eskom with a view where load growth and expansion needs to take place Determining the impact of these connections on each other, the existing network, load growth and supply capacity To optimise CAPEX expansion for new Network and assist towards developing of the Network Development Plan
GIS in Electrification Planning, Demarcation Demarcation REDS Provinces District Counsels Magisterial Districts Munics Wards Tribal Authorities
Demographics GIS in Electrification Planning, Demographics Small Area Code PROVINCE DISTRICT COUNCIL Name Code Name Code 91502000001 Limpopo 36 Waterberg District Municipality 915 MUNICIPALITY MAIN PLACE Name Code Name Code Lephalale 91502 Ellisras 91502000 SUB PLACE URBAN / RURAL Name Code Type Code Ellisras SP 1 Urban 1 TOTAL HOUSEHOLDS Lephalale % INFORMAL / TRADISIONAL HOUSING 341 10.2 TOTAL NR OF PEOPLE: 1 573 Male 897 Female 678 Age group: 30-34 213 Age group: 15-19 88 AVERAGE NR OF PEOPLE PER HOUSE HOLD 4.6 % WITHOUT SERVICES WATER TEL CELL REFUSE ELECTRICAL LIGHTING TOILETS 1.1 53.0 32.5 6.6 2.9 3.9
GIS in Electrification Planning Spatial data analysis Network constraints
(National Integrated Database) NID GIS in Electrification Planning, Spatial location MALAMANGWA MOGODI EXT RAMOSHIBITSWANE Kraaihoek MOPYANE KAMEELBOOM MOGWASE UNIT MOGODITSHANE 8 MAGONG LITTLE TRUST MAGALANE NTSWANALEMETSING DE-KAMEELKUIL MOTHLABE NGWEDING MASKIET MOLORE MAKGOPE SEOLONG RATAU 400 0 400 800 Miles LEKUTUNG Fsa sa.shp Rusternburg fsa.shp Dc_pr_sa.shp Warmbad fsa.shp W RAMOG N S E
GIS in Electrification Planning Why use Aerial Photography? Use of Aerial Photography Harewood Messina NU Dlaba N NO ON NE E N NO ON NE E Ashdown 1 3 2.0 [k V ] People are visually oriented Aerial Photography provides: Global view of an area which is not visible from ground level Lots of useful information (2D and 3D) Excellent measurement tool for infrastructure layout Kempo Mine Compound Kempo Mine Compound Machibisa Messina Messina 132/22/11kV Sub 132/22/11kV Sub 132.0 132.0 [kv] [kv] PIETERMARITZBURG " " Edendale 132.0 132.0 [kv] [kv] Dlaba ] [k V ] 2. 0 kv 132. 0 [ ] 3 [ kv 1. 0 kv ] 2 [ 13. 0 2 13 Harper Mine Compound Harper Mine Compound Sitebisi ] [k V.0 V ] 2 1 3. 0 [k 2 13 NONE NONE " Bergview East Bergview East NONE 13 Edendale NONE Hospital 132kV Substation 2. 0 [k V ]
GIS in Electrification Planning Use of imagery Electrification Project areas on Spot5 background
GIS in Electrification Planning Use of Aerial Photography Dwelling Points/ Household points within the Emadakeni Electrification Project Area
GIS in Electrification Planning Use of imagery & other datasets Kranskop Town cadastral on imagery & 11KV NB Legend ") all_sub_stns lines 1-33kv_06_2008 town&townships
GIS in Electrification Planning Use of imagery & other datasets Kranskop Town cadastral on imagery, 11KV NB & TRFR s Legend R all_pole mount sub_stns1 ") all_sub_stns town&townships lines 1-33kv_06_2008 Legend R all_pole mount sub_stns1 ") all_sub_stns town&townships lines 1-33kv_06_2008
GIS in Electrification Planning Use of imagery & other datasets Kranskop Town cadastral, Showing a secondary rd & erf numbers Legend R all_pole mount sub_stns1 ") all_sub_stns town&townships lines 1-33kv_06_2008 kranskop_erven secondary road
GIS in Electrification Planning Use of imagery & other datasets Legend cad_erven hermannsburg nb48 hermannsburg nb49 town&townships
GIS in Electrification Planning Use of Aerial Photography As-built showing, planned MV&LV including span lengths, conductor types, structure types, pole numbers& transformer numbers
GIS in Electrification Planning Site Selection Site Selection New Power Stations site selection Using GIS Inclusion Criteria Exclusion Criteria
GIS in Electrification Planning Site Selection Suitable area after few criteria
GIS in Electrification Planning Site Selection Inclusion Zones Exclusion Zones
GIS in Electrification Planning Site Selection FBC Footprint - Matching Inclusion less Exclusion Zones
Way forward Update the change detection layer Link customer database to Electrification Development & update of spatial data standards