Alto Rabagão power station: busbar shaft (view from the machine hall)

Pocinho power station: dam discharge gallery

Pocinho power station: dam discharge gallery

Bemposta power station: circular dam gallery

Bemposta power station: access gallery to the dam

Miranda power station: machine hall

Frades power station: GIS substation (gas insulated substation or switchgear)

Picote power station: emergency diesel generating set

Pocinho power station: cooling water filtering system (1st level) of a generating set

Alto Lindoso power station: instrument transformer cell in the busbar gallery (alternating-current generator floor)

Picote power station: busbar gallery (15kV busbars)

Lifting bolt used to disassemble the generating sets, 1Kg, 40x220 mm

Lindoso power station: control room (frontal view)

Alto Rabagão power station: waiting room

56mm-open end spanner, with various uses for turbine equipment, 1Kg, length 380mm

Raiva power station: hydropower panel in the control room

Alqueva power station: DC switchboards

Miranda power station: DC switchboards

Tool—hex box spanner—used to disassemble the turbine, 8 kgs, 80 mm, length 380mm

Tool—hex box spanner—used to disassemble the generating sets, 1Kg, 50mm, length 290mm

Picote power station: chronological event recorder interface cabinet

Tool for testing turbine aeration valves, 2 Kg, 240 x 240 mm

Vila Nova power station: cable room (detail)

Miranda power station: office

Alto Rabagão power station: meeting room

Miranda power station: control room (detail)

Cable with steel band and earth network 2 x 1.5 mm

Vila Nova power station: auxiliary generating set control panel

Aguieira power station: local control panel, fault signalling unit

Fratel power station: machine hall

Bemposta power station: machine hall

Screw for lifting the cover off the distributor ring, 15 Kg, 66x660 mm

Threaded socket, used to join suspension shafts in the return gates of the generating sets, 15 kg, 355x100 mm

Picote power station: 1st floor landing stage of the control building

Vila Nova power station: chart for scheduling the periodic maintenance of the generating sets

Picote power station: chart for scheduling the periodic maintenance of the generating sets

Belver power station: access corridor to the control room

Support chock, used when dismantling the servomotors of the generating sets, 5Kg, 500x100x100mm

Vila Nova power station: old control room (frontal view)

Vila Nova power station: old control room (side view)

Aguieira power station: 12kV monoblock unit, entrance door to oil analysis room

Alqueva Dam: view of the Alqueva reservoir