1. The impact of DistributedGeneration on network securityESRI EUC Madrid, 27 October 2011, Tomaso Bertoli

2. Network Security and DG?How Distributed Generation impacts networksecurity? Gruppo Dolomiti Energia Network Security of Low Voltage Feeders STET Pergine PESSE review 2012 3. Gruppo Dolomiti Energia6000 sqkm service area500k inhabitants8 service area + STET3150 km 20kV4470 MV>LV6565 km 400V140k service points340k meters (En) + STET Pergine 18k 4. Gruppo Dolomiti Energia6000 sqkm service area500k inhabitants8 service area + STET3150 km 20kV4470 MV>LV6565 km 400V140k service points340k meters (En) + STET Pergine 18k 5. Gruppo Dolomiti Energia6000 sqkm service area500k inhabitants8 service area + STET3150 km 20kV4470 MV>LV6565 km 400V140k service points340k meters (En) + STET Pergine 18k 6. Gruppo Dolomiti Energia6000 sqkm service area500k inhabitants8 service area + STET3150 km 20kV4470 MV>LV6565 km 400V140k service points340k meters (En) + STET Pergine 18k 7. Gruppo Dolomiti Energia6000 sqkm service area500k inhabitants8 service area + STET3150 km 20kV4470 MV>LV6565 km 400V140k service points340k meters (En) + STET Pergine 18k 8. Gruppo Dolomiti Energia6000 sqkm service area500k inhabitants8 service area + STET3150 km 20kV4470 MV>LV6565 km 400V140k service points340k meters (En) + STET Pergine 18k 9. Gruppo Dolomiti Energia6000 sqkm service area500k inhabitants8 service area + STET3150 km 20kV4470 MV>LV6565 km 400V140k service points340k meters (En) + STET Pergine 18k 10. Gruppo Dolomiti Energia6000 sqkm service area500k inhabitants8 service area + STET3150 km 20kV4470 MV>LV6565 km 400V140k service points340k meters (En) + STET Pergine 18k 11. Gruppo Dolomiti Energia6000 sqkm service area500k inhabitants8 service area + STET3150 km 20kV4470 MT>BT6565 km 400V140k service points340k meters (En) + STET Pergine 18k 12. Integrated Information System un-bundling NetworkCustomer DataInformation System and Work orders ArcGISArcFM SAP IS-U Network topology Clients SalesUsers Distribution Geometric Network Contracts Versioning Archiving Devices Feeder Manager SAP GUI BapiDevice Locations Device Location 13. Network security for Low Voltage feedersLike at home when the meter trips becauseoven and dryier and are used together 14. Electric Analysis LV V1 (2008) Trace Geometric Network return tree topology Current ContractLoads from SAP Test Loads fromdesign Design Version 15. Electric Analysis LV V1 (2008) Parameters Contract Voltage % of safe use Power Paid for Current contract Available Probability concurrence ProbabilityAcceptableRisk of black-out 16. Electric Analysis LV V1 (2008) Output XLS Max Current Voltage Drop Available power Losses Short Circuit Current 17. Managing Energy from renewable sources August 2010 LV Feeder start tripping Current and futureElectric Distribution (source: EPRI, 2009 ) Inversion of energy flows Low Demand Max Production But how is it possible is DG is under 5% ? 18. Clustering of Distributed GenerationEmulation Why clusters donot form? 19. Clustering of Distributed Generation PV (Photo Voltaic) Distributed Generation 50 MW total PV peak power Average by feeder installations 6060 PV installations Power kW 9000 LV Feeders 9000 total LVF 0,7 9 kW 2 2890 LVF with PV 18 kWAverage by feeder6 290 10 Percentile < 0,7 installations 97 kW 9 kW 10 29 1 Percentile 236 kW 20. Clustering of Distributed Generation PV (Photo Voltaic) Distributed Generation 50 MW PV total peak power 1400 MW Contract power on LVF On average PV 3% of Contract Power But average values are missleading Over 100 feeders have ratio PV / Contract power > 100% 10 percentile of Feeders has PV / Contract power > 40% 21. Electric Analysis LV BT V2 (2011) Generators SAP IS-U design Parameters Power Modulation Generation ModulationUsual scenarios: Late afternoon workday Winter Weekend noon Summer 22. STET Pergine PESSE review 2012 small multi utility in side valley 18k Electric meters WaterWasteWater Gas Garbage Street Lighting 23. PESSE What ? Why ? PESSE, Emergency Plan for the safety of Electric System Under the coordination of Terna (HV transmission) Distribution companies disconnect load in a planned and selective way, in order to avoid un- controlled black outs. 28 september 2003 24. PESSE How it works? 25. PESSE How it works ? All residential and commercial customers are divided in groups For each group a rolling outage is planned for up to 1,5 hours per day. 26. PESSE Update 2012 Optimize the groups domestic customers with life savingequipment are excluded from the plannedoutagesDistributed Generation not only PV 27. PESSE Update 2012GeoDataBase Versions to simulatedifferent PESSE plansgroups 28. PESSE Update 2012ArcFM Feeder ManagerRecalculates MV and LV feeder 29. PESSE update 2012DBMS Server side SQL does all the group bysumNo Export, Fast and Reproduceable 30. PESSE update 2012TransformingamountainofdatainusefullusableInformation 31. 3 key factors to do more with lessRobust CompetentData &Flexible People on Processes data is trust worthySoftwareProcesses & Sw (updated and AEEG releases each dedication andcomplete) only as year new rules,(self)training tolong as it is produced positive feed-back on exploit all the power or used by a primaryprocesses that can be in Sw (old and new)company processmanaged andof the tech pyramid optimized 32. Thank you for the attentionTomaso BertoliSolution Manager UtilitiesCoordinator of Multi Utility User GroupFor more info: www.gismart.euSpecial thanks toMariano Fronza, Dolomiti Reti (GDE)Stefano Silvestri, Dolomiti Reti (GDE)Dario Dallepiatte, STET Perginewww.sinergis.it | info@sinergis.itwww.dedagroup.it | info@dedagroup.it 33. To be Smart... 34. Smart Local GovernmentsLocal GovernmentsUsing GIS-based Tax Solutions to bevery effective in collecting real estatetaxes and to fight tax elusion 35. Smart Multi Utilities Multiutilities Using GIS-based Solutions in order to better run the distribution network, reduce and manage power downwtime 36. Smart Provinces And Regions Province e Regioni Soluzioni per il monitoraggio e il controllo permettono una gestione pi efficace del traffico e una migliore manutenzione delle infrastrutture stradali 37. Smart Local GovernmentsSinergis and Dedagrouphave been learning for morethan 20 years from: 10 Regions 18 Provinces 3 Regional Environment Agencies (ARPA) 2 Government Departments 10 Multi Utility Companies 15 Main Cities More than 50 Smaller Municipalities and Associations of Smaller Cities 38. Thank you for the attentionFor more info: tomaso.bertoli@sinergis.it