Procurement Plan for Electric Power Facilities
(Category: Equipment and materials for hydro power stations)
(All information is subject to change without notice. Please note that our procurement transaction may already be in progress at the time of this announcement.)
NO. Description and Specifications Quantity Unit Required by the below
Expected RFQ
Month
Delivery Month Delivery Terms1transformers for substations
(110 kV or lower)
Transformer (110 kV or lower) 66/6 kV, 3 MVA, with accessories, transportation cost, roller conveyance included 1 set Otatsu Hydro Power Station Mar-2025 May-2026 Delivery at place (DAP)2transformers for substations
(110 kV or lower)
Transformer (110 kV or lower) 6.3/66 kV, 7000 kVA, 69 dB, separate placement type 1 set Kuwanouchi Hydro Power Station Sep-2025 Jun-2027 Delivery at place (DAP)3transformers for substations
(110 kV or lower)
Transformer (110 kV or lower) 6.6/66 kV, 9000, 73 dB, separate placement type 1 set Shinohara Hydro Power Station Sep-2025 Jun-2026 Delivery at place (DAP)
4 distribution panel for substations Power distribution panel (on-site panel) AC on-site panel ×ばつ 1, DC on-site panel ×ばつ 1 1 set Otatsu Hydro Power Station Sep-2025 May-2026 Free on Truck
5 distribution panel for substations Power distribution panel (on-site panel) AC 200 V, AC 100 V, DC 100 V 3 panel Yoake Hydro Power Station Feb-2025 Feb-2026 Delivery at place (DAP)
6 distribution panel for substations Power distribution panel (on-site panel) AC 200 V, AC 100 V, DC 100 V 2 panel Kurokawa No.2 Hydro Power Station Sep-2025 Jul-2026 Delivery at place (DAP)
7 distribution panel for substations Power distribution panel (on-site panel) AC on-site panel (200 V) ×ばつ 1, AC on-site panel (100 V) ×ばつ 1, DC on-site panel ×ばつ 1 1 set Manose Hydro Power Station Mar-2025 Oct-2025 Delivery at place (DAP)8transformers for substations
(220 kV or higher)
Transformer (220 kV or higher)
11/220 kV, 283 MVA, 87 dB, oil-guiding water-cooling type (separate placement),
standard salt-resistant
1 set Ohira Pumped Storage Power Station Feb-2025 Apr-2027
Installation, adjustment
and field test9Circuit breakers for substations
(110 kV or lower)
Circuit breaker (72 kV) 72 kV, 800 A, 20 kA, 3 cycles, VCB 1 set Kuwanouchi Hydro Power Station Sep-2025 Jun-2027 Delivery at place (DAP)10Circuit breakers for substations
(110 kV or lower)
Circuit breaker (72 kV) 72 kV, 800 A, 25 kA, 3 cycles, VCB 1 set Shinohara Hydro Power Station Sep-2025 Jun-2026 Delivery at place (DAP)11Circuit breakers for substations
(110 kV or lower)
Circuit breaker 72 kV, 20 kA, 800 A, with accessories, VCB 1 set Otatsu Hydro Power Station Mar-2025 May-2026 Free on Truck
12 Disconnectors for substations Disconnector 72 kV, horizontal two-point disconnection, 20 kA, 800 A, district A, with accessories 1 set Otatsu Hydro Power Station Mar-2025 May-2026 Free on Truck
13 enclosed switchgear for substations 6 kV distribution box (outdoor cubicle) 7.2 kV, 600 A, 12.5 kV, on-site box 1 set Manose Hydro Power Station Jun-2024 Oct-2025 Delivery at place (DAP)
14 enclosed switchgear for substations Portable power distribution box (11 kV)
11 kV, 1200 A; type, 11 kV type (master box, excitation Tr box, on-site Tr box, NGR
box), power distribution box
1 set Yoake Hydro Power Station Jan-2026 Sep-2026 Delivery at place (DAP)
15 instrument transformer for substations Instrument transformer (66 kV) 66/√3 kV/110/√3 V, PD, 200 VA, bus, load adjustment 50 VA 1 set Shinohara Hydro Power Station Sep-2025 Jun-2026 Delivery at place (DAP)
16 instrument transformer for substations Transformer for capacitor type instrument 66 kV, 200 VA, 66-M, for bus, with accessories 3 set Otatsu Hydro Power Station Mar-2025 May-2026 Free on Truck
17 instrument transformer for substations Instrument transformer (66 kV) 66/√ 3 kV/110/√3 V, PD, 200 VA, bus, standard salt-resistant 1 set Yoake Hydro Power Station Apr-2025 Dec-2025 Delivery at place (DAP)
18 Lightning arresters for substations Lightning arrestor (84 kV) 84 kV, 0.03 mg/cm2
or less, standard salt-resistant 1 set Yoake Hydro Power Station Jun-2025 Dec-2025 Delivery at place (DAP)19equipment and materials for hydro power stations
(water intake equipment)
Water intake scouring sluice gate door hoist Replacement of water intake scouring sluice hoist 1 set Yuda Hydro Power Station Jun-2024 Mar-2025
Installation and
adjustment20equipment and materials for hydro power stations
(water intake equipment)
Dust collector Dust collector replacement 1 set Honjogawa Hydro Power Station Apr-2025 Mar-2026
Installation and
adjustment
Procurement Plan for Electric Power Facilities
(Category: Equipment and materials for hydro power stations)
(All information is subject to change without notice. Please note that our procurement transaction may already be in progress at the time of this announcement.)
NO. Description and Specifications Quantity Unit Required by the below
Expected RFQ
Month
Delivery Month Delivery Terms21equipment and materials for hydro power stations
(water intake equipment)
Screen, 1 set Width 3.25 m ×ばつ Diagonal length 1.9 m 1 set Machida No.1 Hydro Power Station Aug-2024 Mar-2025
Installation and
adjustment22equipment and materials for hydro power stations
(water intake equipment)
Head tank scouring sluice hoist ×ばつ 1 Dual-spindle type, 1 unit, 1.5 kW, electric and manual 1 set Machida No.2 Hydro Power Station Jun-2024 Mar-2025
Installation and
adjustment23equipment and materials for hydro power stations
(water intake equipment)
Hoist
Remodeling of water intake control gate, 2 gates; hoist replacement (including trestles),
2 units; replacement of operation panels on the machine side, 2 panels
1 set Yokono Hydro Power Station Aug-2025 Mar-2026
Installation, adjustment
and field test24equipment and materials for hydro power stations
(water intake equipment)
Selective water intake equipment Repair of selective water intake equipment 1 set Hitotsuse Hydro Power Station Nov-2024 Jun-2025
Installation, adjustment
and field test25equipment and materials for hydro power stations
(water intake equipment)
Automatic dust collector Automatic dust collector replacement 1 set Murasho Hydro Power Station Apr-2025 Mar-2026
Installation, adjustment
and field test26equipment and materials for hydro power stations
(water intake equipment)
Automatic dust collector Automatic dust collector replacement 1 set Murasho Hydro Power Station Apr-2025 Mar-2026
Installation, adjustment
and field test27Equipment and materials for hydro power stations
(water turbine)
Parts for overhaul and repair of Unit 4 pump
hydraulic turbine generator motors
Overhaul parts for pump turbines, generator motors, auxiliaries, and other 1 set
Omarugawa Pumped Storage Power
Station
Sep-2025 Oct-2026 Completion of test28Equipment and materials for hydro power stations
(water turbine)
Parts for overhaul and repair of hydraulic turbine
generators
Overhaul and repair parts for turbines, generators, and auxiliaries 1 set Matsubara Hydro Power Station Jun-2024 Oct-2025
Installation, adjustment
and field test29Equipment and materials for hydro power stations
(water turbine)
Parts for overhaul and repair of hydraulic turbine
generators
Parts for overhaul and repair of hydraulic turbine generators 1 set Kurokawa No.3 Hydro Power Station Sep-2025 Apr-2027 Delivery at place (DAP)30equipment and materials for hydro power stations
(electrical equipment)
Circuit breaker and disconnector
Circuit breaker: 24 kV, 16 kA, 110 kA, for parallel use, GCB. Disconnector: 24 kV, 16
kA, phase reversing disconnector
1 set
Omarugawa Pumped Storage Power
Station
Jun-2024 May-2025 Completion of test31equipment and materials for hydro power stations
(electrical equipment)
Circuit breaker and disconnector
Circuit breaker: 24 kV, 16 kA, 110 kA, for parallel use, GCB. Disconnector: 24 kV, 16
kA, phase reversing disconnector
1 set
Omarugawa Pumped Storage Power
Station
Jun-2024 Oct-2028 Completion of test32equipment and materials for hydro power stations
(electrical equipment)
Circuit breaker and disconnector
Circuit breaker: 24 kV, 16 kA, 130 kA, for parallel use, GCB. Disconnector: 24 kV, 16
kA, phase reversing disconnector
1 set
Omarugawa Pumped Storage Power
Station
Feb-2026 Oct-2027 Completion of test33equipment and materials for hydro power stations
(electrical equipment)
Circuit breaker Gas, 12kV, 5000 A, 73 kA, 5-cycle, for general use (A) 1 set Kamishiiba Hydro Power Station Jun-2025 Nov-2026 Free on Truck34equipment and materials for hydro power stations
(electrical equipment)
Initial excitation circuit breaker AC aerial circuit breaker (voltage, 600 V; current, 1500 A; short-time current, 50 kA) 1 set Ohira Pumped Storage Power Station Sep-2024 Mar-2026 Free on Truck35equipment and materials for hydro power stations
(electrical equipment)
Portable power distribution box (7.2 kV)
7.2 kV, 1200 A, 20 kA, power distribution box (parallel CB, including existing power
distribution box modifications)
1 set Furuyashiki Hydro Power Station Sep-2024 Nov-2025 Free on Truck36Equipment and materials for hydro power stations
(monitoring and control systems)
Maintenance tools for automatic control system Industrial PCs, general-purpose PCs, LAN cables, and other accessories 1 set Tenzan Pumped Storage Power Station Jun-2024 Dec-2025
Installation, adjustment
and field test37Equipment and materials for hydro power stations
(monitoring and control systems)
Sequencer
Generator monitoring control panel, generator control auxiliary panel, and generator
relay panel
1 set Matsubara Hydro Power Station Jun-2024 Oct-2025
Installation, adjustment
and field test38Equipment and materials for hydro power stations
(monitoring and control systems)
Sequencer
Automatic control panel, generator protection panel, optical transmission equipment,
optical cable, etc.
1 set Shimouke Hydro Power Station Jul-2025 Jul-2027
Installation, adjustment
and field test39Equipment and materials for hydro power stations
(monitoring and control systems)
Sequencer
Generator control panel I, generator control panel II (for AVR), generator protection
relay panel, governor IF panel
1 set Tsuetate Hydro Power Station May-2025 Oct-2028
Installation, adjustment
and field test40Equipment and materials for hydro power stations
(monitoring and control systems)
Hydraulic turbine generator power distribution
panel (automatic control unit, etc.)
Automatic control panels, etc.: 45 panels in total 1 set
Omarugawa Pumped Storage Power
Station
Apr-2027 Nov-2028 Completion of test
Procurement Plan for Electric Power Facilities
(Category: Equipment and materials for hydro power stations)
(All information is subject to change without notice. Please note that our procurement transaction may already be in progress at the time of this announcement.)
NO. Description and Specifications Quantity Unit Required by the below
Expected RFQ
Month
Delivery Month Delivery Terms41Equipment and materials for hydro power stations
(monitoring and control systems)
Hydraulic turbine generator power distribution
panel
Monitoring control panels: 2 panels 1 set Kawabaru Hydro Power Station Jun-2024 Nov-2025
Installation, adjustment
and field test42Equipment and materials for hydro power stations
(other equipment)
Power generation discharge alarm
Electronic display board, electronic display control panel (parent station and child
station)
1 set Matsubara Hydro Power Station Feb-2025 Oct-2025
Installation, adjustment
and field test43Equipment and materials for hydro power stations
(other equipment)
Pressure oil pump Pressure oil pump, unloader valve, etc. 1 set Matsubara Hydro Power Station Jun-2024 Oct-2025
Installation, adjustment
and field test44Equipment and materials for hydro power stations
(other equipment)
Feed water pump
Feed water pump (total pump head, 27 m; discharge amount, 26 m3
/min.; output, 150
kW; and voltage, 440 V)
1 set Ohira Pumped Storage Power Station Sep-2024 Feb-2026 Free on Truck45Equipment and materials for hydro power stations
(other equipment)
Chain fixed dust collector, 1 unit; and screen, 1 set Hosting capacity, 0.15 t, width 4.5 m ×ばつ Diagonal length 3.575 m 1 set Machida No.2 Hydro Power Station Jun-2024 Mar-2025
Installation and
adjustment
46 remote monitoring and control system Electric-supply station server Integrated IP server, one panel; no I/F for power distribution 1 set Wanigawa Hydro Power Station Oct-2024 Oct-2025 Completion of test
47 remote monitoring and control system Electric-supply station server I/O rack ×ばつ 1, tandem type, Shinohara PS child station 1 set Kakiharu Hydro Power Station Jan-2025 Nov-2025
Installation, adjustment
and field test
48 remote monitoring and control system Electric-supply station server Server rack, I/O rack ×ばつ 1, standard type 1 set Matsubara Hydro Power Station Jan-2025 Oct-2025
Installation, adjustment
and field test
49 remote monitoring and control system Electric-supply station server Tandem type parent station, server rack ×ばつ 1, I/O rack ×ばつ 1 1 set Itsukigawa Hydro Power Station Aug-2025 Aug-2026
Installation, adjustment
and field test
50 remote monitoring and control system Electric-supply station server One IP server rack and one I/O rack 1 set Murasho Hydro Power Station May-2025 Dec-2026
Installation, adjustment
and field test
51 remote monitoring and control system Electric-supply station server IP server rack ×ばつ 1, I/O rack ×ばつ 1, tandem type: parent station 1 set Ogawa Hydro Power Station Jan-2026 Jan-2027 Completion of test
52 remote monitoring and control system Electric-supply station server I/O rack ×ばつ 1, tandem type: Honjogawa PS child station 1 set Tsukino Hydro Power Station Apr-2026 Apr-2027 Completion of test
53 Power cables for transmission lines and substations 6 kV power cable 6.6 kV, 325 sq, 3C, flame-retardant, ant-proof 1 set Manose Hydro Power Station Mar-2025 Sep-2025 Delivery at place (DAP)
54 Power cables for transmission lines and substations 6 kV power cable 6.6 kV, 325 sq, 3C, flame-retardant, ant-proof 1 set Honjogawa Hydro Power Station Oct-2024 Mar-2025 Delivery at place (DAP)
55 Power cables for transmission lines and substations 6 kV power cable 6.6 kV, 250 sq, 3C, flame-retardant, ant-proof 1 set Koyamagawa Hydro Power Station Mar-2025 Oct-2025 Delivery at place (DAP)
56 Power cables for transmission lines and substations Power cable 11 kV CV, 800 mm2
, 6C, flame-retardant, ant-proof 1 set Kurokawa No.1 Hydro Power Station Mar-2025 Mar-2026 Delivery at place (DAP)
57 Power cables for transmission lines and substations Power cable 66 kV CV, 600 mm2
, 1C, flame-retardant, ant-proof 1 set Chinda Hydro Power Station Apr-2025 Nov-2025 Delivery at place (DAP)
58 Power cables for transmission lines and substations Power cable 66 kV CV, 38 mm2
, 1C, flame-retardant, ant-proof 1 set Chinda Hydro Power Station Apr-2025 Nov-2025 Delivery at place (DAP)
59 Power cables for transmission lines and substations Power cable 6 kV CVT, 150 mm2
, flame-retardant, ant-proof 100 m Kurokawa No.2 Hydro Power Station Jan-2026 Jul-2026 Delivery at place (DAP)
60 Power cables for transmission lines and substations Power cable 11 kV CV, 400 mm2
, 1C, flame-retardant, ant-proof 1 set Yoake Hydro Power Station Oct-2025 Oct-2026 Delivery at place (DAP)
Procurement Plan for Electric Power Facilities
(Category: Equipment and materials for hydro power stations)
(All information is subject to change without notice. Please note that our procurement transaction may already be in progress at the time of this announcement.)
NO. Description and Specifications Quantity Unit Required by the below
Expected RFQ
Month
Delivery Month Delivery Terms
61 Power cables for transmission lines and substations Power cable 11 kV CV, 38 mm2
, 1C, flame-retardant, ant-proof 1 set Yoake Hydro Power Station Oct-2025 Oct-2026 Delivery at place (DAP)
62 Power cables for transmission lines and substations Power cable 66 kV CVT 100 mm2
, 3C, flame-retardant, ant-proof 1 set Yoake Hydro Power Station Oct-2025 Oct-2026 Delivery at place (DAP)63DC power supply equipment
(storage battery・battery charger)
DC power unit Rectifier, 50 A; storage battery, 170 Ah 1 set Ota Hydro Power Station Jun-2024 Nov-2024
Installation, adjustment
and field test64DC power supply equipment
(storage battery・battery charger)
DC power unit Rectifier, 50 A; storage battery, MSE (long-life type), 250 Ah ×ばつ 52 cells 1 set Otatsu Hydro Power Station Sep-2025 May-2026
Installation and
adjustment65DC power supply equipment
(storage battery・battery charger)
DC power unit Rectifier, 50 A; storage battery, 170 Ah 1 set Koshikano Hydro Power Station Jun-2024 Nov-2024
Installation, adjustment
and field test66DC power supply equipment
(storage battery・battery charger)
DC power unit Rectifier, 50 A; storage battery, 300 Ah 1 set Honjogawa Hydro Power Station Jun-2024 Nov-2024
Installation, adjustment
and field test67DC power supply equipment
(storage battery・battery charger)
DC power unit Rectifier, 50 A; storage battery, 200 Ah 1 set Koyamagawa Hydro Power Station Jun-2024 Nov-2024
Installation, adjustment
and field test
68 physical and chemical appliance Turbidimeter Replacement of turbidimeter 1 set Hitotsuse Hydro Power Station Aug-2024 Mar-2025
Installation, adjustment
and field test
69 monitoring and control system Automatic control system
Automatic control system, water-level gauge (on-site), monitoring terminal equipment
(dam general control room)
1 set Yokono Hydro Power Station Aug-2025 Mar-2026
Installation, adjustment
and field test
70 measuring and weighing equipment Meteorological observation device Float type 1 set Kamishiiba Hydro Power Station Jun-2025 Mar-2026
Installation and
adjustment
71 steel structure Kurokawa Daiichi PS overall renewal work 6 6 kV, angle, 6 t 1 set Kurokawa No.1 Hydro Power Station Jan-2025 Sep-2025 Delivery at place (DAP)
72 steel structure Kurokawa Daini PS overall renewal work 6 kV, angle, 1t 1 set Kurokawa No.2 Hydro Power Station Sep-2025 Jun-2026 Delivery at place (DAP)
73 steel structure Yoake PS overall renewal work 66 kV, angle, 1t 1 set Yoake Hydro Power Station Sep-2025 Jun-2026 Delivery at place (DAP)