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Data Centres: Boom and Backlash
14AUG

Florence data centre runs on 84 MW solar

1 min read
10:48UTC

Comtel will build a data centre at Figline Valdarno near Florence inside the Ge-Group-led H2-Era Green Valley complex, powered by an 84 MW solar plant and selling waste heat to farms on the site.

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Key takeaway

Comtel pairs a Tuscan data centre with 84 MW of solar and an agricultural heat offtaker.

Comtel will build a data centre at Figline Valdarno near Florence, reported on 13 August, inside the H2-Era Green Valley complex led by Ge-Group and powered by an 84 MW solar plant, with waste heat sold to farming operations on the same site⁠1. Total investment in the complex runs to €170m.

Tuscany is not a European data-centre cluster, and the siting logic here is generation rather than latency. A developer that brings its own solar and an on-site heat customer arrives at a connection negotiation owing the grid far less, which is the arrangement Australian and Irish regulators have spent this month trying to induce by rule. Comtel has reached it commercially, on a site where the neighbouring agriculture supplies the heat demand that makes recovery worth plumbing.

Solar at 84 MW nameplate delivers a fraction of that as a daily average in central Italy, so the grid connection and the complex's hydrogen ambitions still carry the load the panels do not. Ireland's regulator reopened connections on exactly these terms, renewable supply and on-site generation written into the offer, and Comtel has arrived with both already in hand.

Deep Analysis

In plain English

Comtel, an Italian company, announced its first directly operated data centre near Florence, reported on 13 August. The site will run on power from an 84 MW solar plant, part of a wider €170m industrial complex. Rather than releasing waste heat into the air the way most data centres do, this one will sell it to nearby farms growing crops and raising salmon, and use spare power to make green hydrogen.

Deep Analysis
Root Causes

Selling waste heat to on-site vertical and salmon farming only works because Comtel's site sits inside the Ge-Group-led H2-Era Green Valley complex, a multi-tenant industrial park built around shared solar and hydrogen infrastructure rather than a standalone data-centre campus.

That shared-infrastructure model is what makes the waste-heat and green-hydrogen offtake commercially viable at 84 MW of solar capacity, a scale too small to justify a dedicated heat network for a data centre alone.

First Reported In

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