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Prague, 8-11 June 2009

STIFTER-Austria-Session5-Paper0314

iDEA – A GIS based multi criteria decision platform

to evaluate DER integrationMatthias Stifter, Christoph Mayr, Helfried Brunner

Department Energy – Electric Energy Systems



IntroductionEvaluate different sites and generation technologies of distributed energy resources under consideration of technological, economical and ecological criteria.

Concept, Specification and Prototype of an open platform for evaluating, planning and analysing the integration of DER



Objectives

• Interactive and public accessible platform (FOSS) for testing and evaluating DG

• Easy to use – give a preliminary assessment of feasibility in terms of technology, ecology and economy

• Evaluate benefits and cost for integration• Optimize / maximize efficiency in terms of site,

generator, capacity, primary energy usage, coverage of demand and coordinated generation

• Discussion position for stakeholders



Platform - Concept

• Geospatial analysis: site-specific and ecological-related criteria

• Simulation: Power system analysis• Evaluation: Multi-criteria decision method



Architecture• Modular

– Different clients

• Interoperable– different formats

• Extensible– Plugins– Layers

• Interactive



GIS / Geospatial Analysis• FOSS Desktop and Server

GIS System• Analysis of different layers:

– Primary energy– Population– Network interconnection route

• Create and edit network – Lines– Buses– Sites



Numerical Simulation• FOSS Power System Analysis Software

(e.g. PSAT)

Readable text file of network and geographical model



Integration/Interfacing

Consistency of data between modules:exchange of GIS and power system data (XML/GML) using a validator to ensure consistency



Evaluation and Ranking

• Define criteria• Stakeholders decide priority

on criteria • Calculate priority matrix• Specific values for criteria

from GIS, simulation, and configuration:

result in ranking

Based on AHP (Analytical Hierarchy Process)

criterioncriterioncriterioncriterion

Prioritise criteria

criterionstakeholder

criterioncriterionpriority matrix

criterioncriterioncriteria values

Calculate ranking

site-specific from modules



Data

• Input data for criteria:

– Meteorological: irradiation – Statistical: population, demand– Power system: geographical, physical– Economical: capex, opex, incentives, – Ecological: CO2 emissions



Case Study: Vorarlberg / MV grid

Results for site: River

Example criteria:

Results for site ranking

Example sites:



Case Study: Italy HV Grid• Active power bus

loadsfrom the power flow simulation in GIS

• „Voltage temperature map“in power simulation application with geographical information



Case Study: City District - Vienna

City Planning project:

Impact on high penetration of building integrated PVon Distribution Grid

• PV Generation and Load Profiles according to building usage and roof size

• load flow simulation on grid

Leis

tung

[kW

]

Stadtteil gesamtTagesverlauf - Wochenende - Oktober

00:00 04:00 08:00 12:00 16:00 20:00

050

010

0015

0020

0025

00

PV - LeistungBedarf



Issues and Discussion

• Data: GIS and Power Grid not freely available

• Prototype Status: manually exchange information between modules

• Consider existing standards and interfaces

• Specify program and data interface between modules – „Developer Kit“



Progress and Next Steps

• Data format (e.g: ODM – Open Data Model)• Architecture / Plugin Specifications• Release (spring next year)• Integration / Interfacing of more data:

– Energy Management Buildings– CHP / Heating– SCADA / live data– CoSimulation



Thank you for your attention!

Matthias StifterEnergy

Electric Energy [email protected]

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