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What is a ready-to-build (RTB) data center site?

A ready-to-build site has the three things an operator needs to start construction: land control, a grid connection offer or permit, and planning permits.

By Razvan Toma · Founder & CEO, Ampervia · Last checked 2026-10-12 · Sources linked below

Quick answer

A ready-to-build site has the three things an operator needs to start construction: land control, a grid connection offer or permit, and planning permits. It is usually the step where a site’s value jumps, because the slow, uncertain work is done. Deals are often priced in stages tied to reaching RTB.

Key facts

  • Example of staged pricing: non-binding terms between a Spanish developer and Pure DC of €1.5 million per site upfront, €1.5 million at RTB and €325,000 per MW of leased IT capacity (BeBeez).
  • A powered site near Madrid (25 MW power agreement) sold for €11 million (ActivumSG).
From land to ready-to-build
StageWhat existsMain risk left
Candidate landA plot near grid infrastructureNo right to power
Land under optionExclusive right to buyPower and permits
Connection securedPermit or connection offerPlanning
Ready-to-buildLand, power and permitsConstruction and leasing

What a buyer checks at RTB

  • The connection offer: capacity, date, works, cost, and whether it transfers.
  • Planning permit and conditions.
  • Title, easements and contamination.
  • Water, fibre and access.

Questions

Who buys RTB sites?
Data center operators and developers who want to skip the origination stage, and infrastructure investors building platforms.

Sources

Terms on this page: Ready-to-build (RTB) · Land option · Connection offer · Powered land

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