The Listings Board
Open a notice to read the controlled brief. Active requirements appear first; sample notices demonstrate additional listing formats.
Equipment wantedSample 01100 MVA Transformer — 132/33 kV
Germany · Before Q3 2028
Open brief +
Illustrative buyer requirement demonstrating how a verified developer can publish structured demand and compare sealed supplier proposals.
- Rated power
- 100 MVA
- Primary voltage
- 132 kV
- Secondary voltage
- 33 kV
- Frequency
- 50 Hz
- Condition
- New preferred
- Delivery
- Germany, before Q3 2028
Custom project packageSample 02100 MW / 200 MWh BESS Package
Spain · Commissioning Q4 2028
Open brief +
Illustrative project requirement for an integrated battery storage package, including PCS, controls and commissioning scope.
- Power
- 100 MW
- Energy
- 200 MWh
- Duration
- 2 hours
- Grid
- 50 Hz
- Scope
- Supply + commissioning
- Location
- Spain
Niche specificationSample 03110 kV XLPE Cable System
Poland · Delivery Q1 2028
Open brief +
Illustrative structured requirement for a complete high-voltage cable system with accessories and installation supervision.
- Voltage
- 110 kV
- Insulation
- XLPE
- Length
- 24 km
- Accessories
- Joints + terminations
- Services
- Installation supervision
- Location
- Poland
Specialist jobSample 04Protection commissioning engineer — 220 kV substation
Baltic region · Six-week site window
Open brief +
Demonstration field-services brief for an experienced protection engineer to test line, busbar and transformer schemes during energisation.
- Experience
- IEC 61850 and utility protection
- Scope
- Secondary injection, SAT and energisation
- Relays
- Multi-vendor numerical protection
- Travel
- Site rotation required
Niche specificationSample 0536 kV GIS extension rated 63 kA / 3 s
Northern Europe · Shutdown window Q2 2028
Open brief +
Demonstration request for a high-fault-level GIS extension that must interface with an existing busbar geometry and protection scheme.
- Voltage
- 36 kV
- Short-circuit
- 63 kA for 3 seconds
- Configuration
- Two feeder bays + bus section
- Constraint
- Existing busbar interface survey
Custom equipmentSample 0612-pulse rectifier transformer for electrowinning line
Chile · Engineering release in 2027
Open brief +
Demonstration engineered-equipment brief for a custom transformer with harmonic duty, dual secondary windings and site-specific cooling.
- Power
- 18 MVA
- Primary
- 33 kV
- Secondary
- Dual phase-shifted windings
- Duty
- Rectifier load with harmonic study
Rare part / sparesSample 07Legacy breaker operating mechanism for 1988 switchboard
United Kingdom · Outage-critical spare
Open brief +
Demonstration obsolete-spares search where photographs, dimensions and nameplate evidence matter more than a modern catalogue number.
- Asset
- Indoor metal-clad switchboard
- Era
- Late 1980s
- Need
- Complete spring operating mechanism
- Acceptable
- New old stock or verified refurbishment
Engineering serviceSample 08Harmonic study and filter design for rolling mill expansion
Türkiye · Study before equipment order
Open brief +
Demonstration consulting brief covering network modelling, measurement review and mitigation design for a drive-heavy industrial expansion.
- Network
- 33 kV industrial distribution
- Loads
- Large variable-speed drives
- Deliverable
- Model, limits review and filter concept
- Standard
- IEC 61000 / utility limits
Equipment wantedSample 09Mobile 33/11 kV emergency substation package
East Africa · Rapid deployment route
Open brief +
Demonstration urgent-sourcing brief for a road-mobile transformer and switchgear package that can restore supply during a permanent-substation rebuild.
- Rating
- 20–31.5 MVA
- Voltage
- 33/11 kV
- Format
- Road-mobile multi-trailer package
- Scope
- Protection, auxiliaries and commissioning
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