Hydro2012 : 29 - 31 October 2012, Bilbao, Spain 1/20 Challenges and Opportunities in Using...

Hydro2012 : 29 - 31 October 2012, Bilbao, Spain

1/20

Challenges and Opportunities in Using

International Standards in Hydropower

Development: The Case of Hydropower Plants

in Kenya

Presented By:

Eng. Francis X. Makhanu

BSc. Eng(UON), MBA(UK), R.Eng. MIEK,

ISO Mgt. Systems Auditor

OutlineIntroduction

Methodology

Examples of Challenges and Opportunities

Discussion

Conclusions and Recommendations


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1.0 IntroductionElectro-Technical Commission

International Organization for

Standardization

IRENA, IEA, WEC, ICOLD,FIDIC, etc

Hydropower value chain six phases

Hydropower technology100 years old


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Introduction (Cont’d)16% of world’s electricity and 80% of world’s

renewable electricity.

25 countries depend on hydropower for over 90%

of electricity

Technical Committee on hydropower (rivers) with

33/195 countries (17%)

Desirable to increase to over 75%


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Introduction (ends) Working Groups on Hydropower standards at

IEC/ Maintenance Teams/ Joint Working Groups

with ISO.

JWG1 on vibrations in hydraulic machines.

ISO 10816-5 lacks limits in axial (z-axis).

The 6400MW Sayano Shushenskaya in Russia

accident on17/08/2009.


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2.0 Methodology24 years in electricity industry National Energy Policy,2004/Energy Act, 2006 National Technical Committee of the Task Force on

Implementation of Constitution in Energy Sector (2011-2012)

KEBS/TC092 SC 03 - Hydropower Technical Sub-Committee

Websites of IEC, ISO, ICOLD, IRENA, IEA, WEC,FIDIC

Participation in Hydropower and Dams Conferences.


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3.0 Challenges and Opportunities

Tables on next three slides -

IEC/ISO Hydro standards

Four case studies - slides 11 to 16


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Tables of Selected IEC/ISO Hydro Standards (Slide 1/3) ITEM STANDARD DESCRIPTION OPPORTUNITY

1/15 IEC 60193 2nd edition(1999-11)

Hydraulic turbines- model acceptance tests

Standards for other stages

2/15 IEC 603082nd edition(2005-01)

Hydraulic turbines- Testing of Control systems


3/15 IEC 60609-21st edition(1997-11)

Hydraulic turbines – cavitation pitting evaluation

Preventive standards

4/15 IEC 613622nd edition(2012-04)

Hydraulic turbines- Governing systems specifications


5/15 IEC/TR 61364 1st edition(1999-07)

Nomenclature for Hydropower Plant machinery

Incentives for use


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6/15 IEC/TR 61366-1, 2,3,4,5,6,71st edition(1998-03)

Hydraulic turbines- tendering documents for different types of turbines and pumps


7/15 IEC 62006 1st edition(2010-10)

Hydraulic machines – acceptance tests of small HEPP


8/15 IEC 620971st edition(2009-02)

Hydraulic machines- radial/axial- performance conversion method from model to prototype

N/A

9/15 IEC 622561st edition(2008-01)

Hydraulic turbines- Rehabilitation and performance improvement


10/15 IEC 622701st edition(2004-04)

HEPP automation- guide for computer based control



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11/15 ISO 9001:2008 QMS

Quality Management Systems - requirements

ISO to collaborate with IEC

12/15 ISO 14001:2004 EMS

Environmental Management Systems – requirements with guidance for use


13/15 ISO 50001:2011EnMS

Energy Management Systems- Requirements


14/15 ISO 31000:2009 RM

Risk Management – Principles and guidelines


15/15 ISO 10816-5 Hydraulic Machines- Vibrations permissible limits

Review standard


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ITEM NAME OF PLANT

RATING YEARS OF OPERATION

1. Gitaru 225MW(3 units)

34

2. Kiambere 168MW(2 units)

24

3. Turkwel 106MW(2 units)

21

4. Kamburu 94MW(3 Units)

38

5. Kindaruma 64MW(3 Units)

44

6. Sondu 60MW(2 Units)

4

7. Masinga 40MW(2 Units)

31

Case 1 of 4: Challenges in Old Hydropower Plants


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8. Tana 20MW(4 Units)

1

9. Wanjii 7.4MW(2Units)

60

10. Gogo 2MW(2Units)

55

11. Ndula 2MW(2Units)

87

12. Sagana 1.5MW(3 Units)

57

13. Mesco 0.38MW(1Unit)

79

14. Sosiani 0.4MW(2Unit)

60

15. Sang’oro 21MW(2Units)

new

Case1 of 4: Challenges in Hydropower Plants

Case 1 of 4: Observations on Impact of Age

Challenges of old age of plants

Electrical and electronic systems

Kenya has no key industries

Competitive prices require standards

for bidding. Hydro2012 : 29 - 31 October

2012, Bilbao, Spain13/20

Case 2 of 4: Challenges in Feasibility Studies of HEPP

Feasibility study of 90MW Karura HEPP

Key standards quoted in works mainly

electrical

Awareness and availability of

Hydropower standards worldwide


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Case 3 of 4: Opportunities from International Standards

KenGen replaced obsolete SCADA

International standards helped standardization.

Cost effectiveness - installation time and O&M.

Spares shared by seven plants

O&M Staff share skills/experience

Standardization pursued to roll-out benefits


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Case 4 of 4: Study of Rehabilitation/Upgrading

Scott Wilson Consultants, UK

Challenges

Opportunities

International standards


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4.0 DiscussionIEC - level of participationHydropower and dams - standards

availabilitySix phases of value chain Integrating hydropower generated

electricity ISO 10816-5 on vibrations Hydropower industry - collaborate with

IEC/ISO/IRENAHydropower responds quickly to system

power variations


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5.1 Conclusions Prefeasibility and feasibility stages

of value chain

Hydropower and Dams industry -

collaborate with IEC/ISO

Integration of different forms of

renewable energy in national grids


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5.2 RecommendationsHydropower and dams collaboration with

IRENA

Awareness promotion and accessibility

Incentives for developing countries

Indicate how much of each energy type

ensures stability of grids

The End

Thank you 20/20

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