2014 pv distribution system modeling workshop: the iea pvps task 14 high penetration pv in...

IEA INTERNATIONAL ENERGY AGENCY

PHOTOVOLTAIC POWER SYSTEMS PROGRAMME

The IEA PVPS Task 14

High penetration PV in Electricity Grids

Roland Bründlinger

AIT Austrian Institute of Technology

PV Distribution System Modeling Workshop,

Santa Clara, May 6, 2014



Outline

• Challenges of PV integration

• Overview IEA PVPS Task 14

• Results and publications

• Summary and outlook



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• End 2013: Estimated >130 GW installed worldwide (+35% from 2012) (EPIA)

• PV penetration levels growing worldwide

DEU ~36 GW

CHN ~19 GW (+11 in 2013!)

ITA ~17 GW

JAP ~14 GW (+7 in 2013)

USA ~13 GW

High Penetration of PV in Electricity Grids

A global trend



• Global PV cooperation network

• 29 members: 24 countries, EC, Associations: EPIA, SEPA, SEIA, Copper Alliance

• Activities are carried out collaboratively on a country basis along a number of technical and non-technical subjects

• Currently, 6 Tasks are active

• To enhance the international collaborative efforts which facilitate the role of photovoltaic solar energy as a cornerstone in the transition to sustainable energy systems

• Task 14 High PV Penetration in Electricity Grids

IEA PVPS basics

http://www.seia.org/



• Goals & Objectives

– Promote the use of grid connected PV as

an important source in electric power

systems

– Develop and verify technical requirements

for PV and electric power systems to allow

for high penetrations of PV systems

– Discuss the active role of PV systems

related to energy management and system

control of electricity grids

– Reduce the technical barriers to achieve

high penetration levels of distributed

renewable energy systems on the electric

power system

IEA PVPS Task 14:




• Subtask 1: PV generation in correlation to energy

demand: Switzerland

Show how with better prediction tools and

optimized local energy management, PV

penetration can be improved.

• Subtask 2: High penetration in local distribution

grids: Germany

Identify and interpret the role of PV in distribution

grids and impact analyses of high PV penetration

• Subtask 3: High penetration solutions for central

PV scenarios: Japan

PV integration from the total power system view

point, including forecasting, power system

operation and augmentation

• Subtask 4: Smart inverter technology for high

penetration of PV: Austria

Technology, technical requirements and standards

as well as system integration aspects for inverters

with High Penetration PV

IEA PVPS Task 14:

Organization and structure



European commission

Experts from

• Utilities, DNOs

• Industry, manufacturers, consultancies

• Applied research

• Universities

• Agencies

16 Countries

1 Association

IEA PVPS Task 14:

Networks



• Support PV integration on high penetration levels by

► access to more transparent technical analyses

► guidelines and best practices for industry, network operators, energy

planners as well as authorities in the energy business

► comprehensive international studies for high penetration PV

• Develop key methodologies for large scale PV integration

► PV Power Forecast

► Active management and control of grid integrated PV

► Grid interconnection studies and planning

► Technical standards and interconnection requirements

• Active dissemination of objective and neutral high-quality information

► Task 14 Reports

► Task 14 Workshops

► National information networks of Task 14 members

IEA PVPS Task 14:

Outcomes



• Worldwide survey covering 3 regions: USA, Europe and Japan

• Report published 10/2013

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st

Source Location of

validation

Time step and

forecast time

Uncertainty

% of

persistence

Uncertainty

RMSE (relative or

absolute)

DLR (DE) Southern Spain 1 h, day 1 DNI: 50 – 64% rmse

CanmetENERGY (CAN) Canada, USA 1 h, day 1 – 2 57%

JWA (JP) Japan 30 Min, 1h. 140 W/m2

MeteoSwiss (CH) Switzerland - - -

Univ. Oldenburg /

Meteocontrol (DE)

Switzerland

Southern Spain

Canada, Spain

1 h, day 1 65%

61% 2

57% 2

42 % rmse

21 % rmse

Univ. Jaen (ES) Southern Spain 1 h, day 1 72% 2

DTU IMM (DK) Denmark 68% 2

AIST / Waseda (JP) Japan 1 h, day 1 100 W/m2

Univ. GIFU (JP) Gifu 1 h 64% rmse

UCSD (USA) San Diego, 4 days 30 sec.

5 min.

50%

75%Bluesky Wetteranalyse (A) Switzerland 1 h, day 1 65%2

Irsolav (ES) Spain 1 h, day 1 18 – 35% rmse

Meteotest (CH) Switzerland 1 h, day 1 72% 2 41 – 50% rmse

Weather Analytics (USA) - - -

Grid integration of PV

PV forecast and PV power prediction tools



• Distribution integration case studies

from 11 countries highlighting practices

and solutions in different countries

– Australia

– Austria

– Belgium

– China

– Germany

– Greece

– Italy

– Japan

– Spain

– Switzerland

– Unites States of America

• Report will be published in May 2014

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High Penetration on the distribution level



• Discussion of the Impacts of PV

Penetration and Other Variable RES on the

overall power system level

• Power system operation and augmentation

planning with high penetration PV

• Selected Case Studies on PV integration

from the overall power system perspective

– Australia

– China

– Europe

– Denmark, Germany, Greece, Italy,

Switzerland

– Japan

– USA

• Report will be published in June 2014

Sourc

e: IE

A-P

VP

S T

ask 1

4 S

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ublis

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High Penetration PV on the overall power

system level

Mo Di Mi Do Fr Sa So 0

50

100

150

200

250

Wochentag

Leis

tun

g (

GW

)

Biomasse Laufwasser Wind Offshore Wind Onshore PV Residuallast Last

EE-Einspeisung und Strombedarf , Szenario Basis2050 (Meteo-Jahr 2011) 1. Kalenderw oche

Mo Di Mi Do Fr Sa So 0

50

100

150

200

250

Wochentag

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(G

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Biomasse Laufwasser Wind Offshore Wind Onshore PV Residuallast Last

EE-Einspeisung und Strombedarf , Szenario Basis2050 (Meteo-Jahr 2011) 25. Kalenderw oche



• Case studies for PV grid

integration

– Base case

PV 4.5kWh/d

– Integration with DSM

PV 6.5kWh/d (+45%)

– Integration with storage

system

PV 12kWh/d (+165%)

– Integration with DSM and

storage system PV

12.9kWh/d (+185%)

• Report planned to be published

10/2014


Network driven demand side management



• Report on current experiences of high PV penetration and active /

reactive power control strategies in distribution grids (05/2014)

– country specific measures for increasing the local PV penetration in distribution grids

in a technically effective and economically efficient way

• Report on Recommendations for managing the transition from One-

Directional to Bi-Directional Distribution Grids (05/2014)

– State-of-the-Art and advanced solutions for the transition of local distribution grids

– Entering the final stage: Future prospects for the transition towards high national

penetration scenarios

• Report on System-wide PV generation analysis and forecast (10/2013)

• Report “Power system operation planning with PV integration” (06/2014)

– Describes high penetration solutions for central PV generation scenarios including

aspects of Power system operation and augmentation planning with PV integration.

• Planned presentations for EU PVSEC Amsterdam September 2014


Publications and reports



• Successful series of events since 2010 with more than 500 participants

Beijing: Chinese

Academy of Science Golden: DoE,

NREL, SEPA,

Valencia:

Task1, Task14

Kassel: SMA

Sydney:

UNSW, APVA

Lisbon: EdP

Paris: Task14,

SHC Task 46

Tokyo: NEDO

Brussels: 3E,

MetaPV

Task 14 High Penetration Workshops

Bringing together stakeholders worldwide

Geneva:

Task14



• Increasing penetration levels of PV (and RES) present challenges

on the overall power system as well as on the local levels

• PVPS Task 14 shows, that solutions for integrating PV on high

penetration levels are available, they still need to be implemented

in an appropriate way

• Task 14 supports PV integration on high penetration levels

– access to more transparent technical analyses

– guidelines and best practices for industry, network operators,

energy planners as well as authorities in the energy business

– comprehensive international studies for high penetration PV

– Active dissemination of successful experiences and examples of

High Penetration PV


Summary and key conclusions



• Second term 2014-2018 officially approved

by IEA-PVPS ExCo in April 2014

• New activity on Market implications with

High PV Penetration

– Introduce market aspects and investigate

market implications of solutions developed in

the technical subtasks

• New work on Communication and control for

High Pen PV in Smart Grids

– Analyze appropriate control strategies and

communication technologies to integrate a high

number of distributed PV in smart electricity

networks

• Experts welcome!


Outlook



Thank you! All reports and workshop

presentations can be found on

http://www.iea-pvps.org

For any further questions contact:

Roland Bründlinger & Christoph Mayr

Operating Agents IEA PVPS Task 14

AIT – Austrian Institute of Technology

Vienna, Austria

[email protected]

[email protected]

http://www.iea-pvps.org/



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2014 pv distribution system modeling workshop: the iea pvps task 14 high penetration pv in...

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