The Role of Hydro in

Rural Electrification

Andy Eaton Head of Sales, Africa & Latin America, Gilkes Hydro

SMALL HYDRO APPLICATIONS

RUN OF RIVER

RURAL ELECTRIFICATION

DAM & RESERVOIR STORAGE

ENERGY RECOVERY PLANT MODERNISATION

• Run of River

• Mini Grids

• Water Sanitation

• Irrigation Systems

RURAL ELECTRIFICATION

ADVANTAGES OF SMALL HYDRO

• Integrate into new or existing networks

• Operate both islanded and grid connected

• Provision for future connections to the grid

• Black start capability

• Respond rapidly to change in load demand

• Mature prove technology

• Robust control systems

(minimal operator interaction)

BENEFITS

• Reliable Power where national grid is unstable

• Electricity supply to remote & Rural communities

• Reduces dependency on fossil fuels

• Low environmental impact

• Water Sanitation

• Providing power to local business

(Tea Estates, Farms)

• Use of local labour

• Training of local workforce

• Educating communities

HYDRO AS PART OF A MINI GRID

• Multiple renewable energy sources

• Run in parallel with other generators

• Abundance of available resource

• Balance supply & demand

• Adaptable to local needs & conditions

• Dispatchable power on demand when

storage available

• Pungwe A - Pelton turbine – 2.7MW – inst 2011

• Duru – Pelton turbine – 2.2MW - inst 2012

• Pungwe B – 4 X Turgo turbines (4MW each) inst 2013

• Pungwe C – Turgo turbine – 4.3MW – inst 2014

• Hauna – Turgo turbine – 2.2MW – inst 2016

= Total installed capacity 27.4MW

CASE STUDY – Zimbabwe, Honde Valley

Honde Valley

• Traditional run of river schemes

• Run in island mode

• Now have the capability of black start with no AC

supply required

PUNGWE A

PUNGWE B

HAUNA

CASE STUDY – Ndolela, Tanzania

• Mini Grid System / Irrigation Project

• 25” TJ Turgo – 792kW

• Installed on an commercial agricultural farm

• Farm not connected to the main grid

• Wholly reliant on diesel – now reduced considerably

• 33kV island mini grid network across the farm powering the pump stations

• System designed to run un manned (weekly visits)

NDOLELA

CASE STUDY – Sibo, Kenya

• Water Sanitation Project

• 5 skid mounted pump turbine systems

• 2 further electric motor driven pumps

• Project finance from African Dev Bank and Kenyan Gov

• Deliver a clean safe water supply to over 100,000 people

• Manually operated, keep cost of electricity down

• Truly multi-national project:

• Chinese lead contractor

• Indian civil engineering consultant

• Local Kenyan workforce

SIBO

SIBO

Educating the next generation of hydro

engineers….

THANK YOU!

Please visit the Gilkes website to read

further rural electrification case

studies……. www.gilkes.com

You can also visit our stand during

FEEA #803