Resources

Guides, insights, research, and whitepapers.

Guides, insights, research, and whitepapers.

opna breakfast women

Buyers guide

Transformer lead times in Europe: what they are, what drives them, and how to plan.

Hunting for a new power transformer in Europe? Buckle up. It’s four years or more at transmission voltage, and you’ll need luck on your side to get two at 132 kV.

opna breakfast women

Whitepaper

Build the market, not just the factories: Opna's market infrastructure blueprint for the critical power supply chain.

As Europe pushes ahead on energy security, decarbonisation, and affordability, all at once, new demand (from data centres, renewables, EVs, industrials, and upkeep requirements from an ageing grid) is creating a strain on the essential plumbing that underpins our electrification ecosystem. The current power equipment supply chain cannot keep up with demand.

Opna - internal data centre image

Buyers guide

From grid to rack: every piece of electrical equipment in a data centre, explained.

Every piece of electrical equipment between the grid and the server rack, what each one does, and which ones you have to order years ahead.

Opna - internal data centre image

Whitepaper

AI infrastructure as climate infrastructure.

Explore how as an industry we can leverage the AI inferencing surge to anchor equitable financing for the real economy and communities - funding renewables, low-carbon materials, carbon removal, and water restoration.

opna breakfast women

Buyers guide

How much power does a data centre need, and how does that turn into an equipment list?

Why your grid connection is bigger than your IT load, how MW becomes MVA, and how that number turns into a transformer count.

About Opna

Opna is the market infrastructure for critical power equipment: transformers, switchgear, HV cables, generators. Buyers get verification, speed, transferable slots they can hold before specs are finalised, and CapEx aligned to their draw schedule. Manufacturers get order book certainty they can build new capacity against.

© 2026 Salt Global Tech Limited (trading as Opna). All rights reserved.

About Opna

Opna is the market infrastructure for critical power equipment: transformers, switchgear, HV cables, generators. Buyers get verification, speed, transferable slots they can hold before specs are finalised, and CapEx aligned to their draw schedule. Manufacturers get order book certainty they can build new capacity

© 2026 Salt Global Tech Limited (trading as Opna). All rights reserved.

About Opna

Opna is the market infrastructure for critical power equipment: transformers, switchgear, HV cables, generators. Buyers get verification, speed, transferable slots they can hold before specs are finalised, and CapEx aligned to their draw schedule. Manufacturers get order book certainty they can build new capacity against.

© 2026 Salt Global Tech Limited (trading as Opna). All rights reserved.

About Opna

Opna is the market infrastructure for critical power equipment: transformers, switchgear, HV cables, generators. Buyers get verification, speed, transferable slots they can hold before specs are finalised, and CapEx aligned to their draw schedule. Manufacturers get order book certainty they can build new capacity against.

© 2026 Salt Global Tech Limited (trading as Opna). All rights reserved.