# Greece Data Center Market > Greece Data Center Market: USD 650.36 million in 2026, USD 7.97 billion by 2035, 39.47% CAGR from 2025, as Microsoft and AWS build on a 44 MW base. Publisher: DC Market Insights Author: Amit Jain, DC Market Insights Published: 2025-10-13 Last updated: 2026-10-18 Next review: Apr 2027 Page: https://www.dcmarketinsights.com/report/greece-data-center-market ## Key takeaways - Eastern Attica Becomes the Hyperscale Corridor **Frequently Asked Questions** **What is the size of the Greece Data Center Market in 2026?** USD 650.36 million in 2026, up 127.1% from USD 286.38 million in 2025, according to DC Market Insights estimates. The market is projected to reach USD 7.97 billion by 2035, a CAGR of 39.47% from 2025. **How many data centers does Greece have?** About 21 operating data centers with 44 MW of installed capacity in 2025, 34.1 MW of it in Attica, according to a PwC study for the Ministry of Digital Governance. Named projects add about 475 MW of first-phase capacity. **How fast is the Greece Data Center Market growing?** 39.47% a year from 2025 to 2035, after 39.87% a year in 2020-2025, because DC Market Insights expects 972 MW of new capacity to be completed in 2026-2035 on a 44 MW base. **How do you get a data centre licence in Greece?** Sites of 2 MW to under 20 MW use Standard Environmental Commitments under Joint Ministerial Decision 82255/5190 of July 2025, with two 10-working-day steps; 20 MW and above need full environmental terms, and IPTO grants grid connections above 10 MW. **Which segment is growing fastest in the Greece Data Center Market?** AI Workloads, at 52.74% a year to USD 6.25 billion by 2035, because each new AI MW carries about USD 33 million to USD 35 million of IT equipment. **How much does it cost to build a data center in Greece?** About USD 9.50 million per MW of IT capacity in 2025 for the building, power and cooling (DC Market Insights estimate), within Greek anchors of EUR 6.5 million to EUR 12.0 million per MW; AI IT adds about USD 35 million per MW. **Which region leads the Greece Data Center Market?** Attica, with USD 219.08 million or 76.5% of 2025 spend. Western Macedonia grows fastest at 75.58% a year because of the planned 300 MW PPC and AWS campus in Kozani. **Who are the leading companies in the Greece Data Center Market?** Digital Realty (Lamda Hellix), Microsoft and Data4 hold about 55% of 2026 spend by MW under construction (DC Market Insights estimate), followed by AWS, PPC, Edgnex, OTE (COSMOTE) and Vodafone Greece. **Why do Greece Data Center Market estimates differ?** USD 650.36 million in 2026 is DC Market Insights' capital-spend figure for IT, power, cooling and construction only. Estimates that add colocation revenue, telecom networks or electricity come out several times larger. **What are the new grid rules for data centers in Greece?** EUR 200,000 per MW guarantees valid for three years, at least 60% renewable supply, IPTO connection above 10 MW and priority for sites above 200 MW with 80% local supply, under the October 2026 Ministry of Environment and Energy bill. ## Dataset | Series | Value | Unit | | --- | --- | --- | | Market size 2025 | 286.38 | USD million | | Revenue CAGR | 39.47 | % | | Market size 2035 | 7,970 | USD million | ## Frequently asked questions ### What is the size of the Greece Data Center Market in 2026? USD 650.36 million in 2026, up 127.1% from USD 286.38 million in 2025, according to DC Market Insights estimates. The market is projected to reach USD 7.97 billion by 2035, a CAGR of 39.47% from 2025. ### How many data centers does Greece have? About 21 operating data centers with 44 MW of installed capacity in 2025, 34.1 MW of it in Attica, according to a PwC study for the Ministry of Digital Governance. Named projects add about 475 MW of first-phase capacity. ### How fast is the Greece Data Center Market growing? 39.47% a year from 2025 to 2035, after 39.87% a year in 2020-2025, because DC Market Insights expects 972 MW of new capacity to be completed in 2026-2035 on a 44 MW base. ### How do you get a data centre licence in Greece? Sites of 2 MW to under 20 MW use Standard Environmental Commitments under Joint Ministerial Decision 82255/5190 of July 2025, with two 10-working-day steps; 20 MW and above need full environmental terms, and IPTO grants grid connections above 10 MW. ### Which segment is growing fastest in the Greece Data Center Market? AI Workloads, at 52.74% a year to USD 6.25 billion by 2035, because each new AI MW carries about USD 33 million to USD 35 million of IT equipment. ### How much does it cost to build a data center in Greece? About USD 9.50 million per MW of IT capacity in 2025 for the building, power and cooling (DC Market Insights estimate), within Greek anchors of EUR 6.5 million to EUR 12.0 million per MW; AI IT adds about USD 35 million per MW. ### Which region leads the Greece Data Center Market? Attica, with USD 219.08 million or 76.5% of 2025 spend. Western Macedonia grows fastest at 75.58% a year because of the planned 300 MW PPC and AWS campus in Kozani. ### Who are the leading companies in the Greece Data Center Market? Digital Realty (Lamda Hellix), Microsoft and Data4 hold about 55% of 2026 spend by MW under construction (DC Market Insights estimate), followed by AWS, PPC, Edgnex, OTE (COSMOTE) and Vodafone Greece. ### Why do Greece Data Center Market estimates differ? USD 650.36 million in 2026 is DC Market Insights' capital-spend figure for IT, power, cooling and construction only. Estimates that add colocation revenue, telecom networks or electricity come out several times larger. ### What are the new grid rules for data centers in Greece? EUR 200,000 per MW guarantees valid for three years, at least 60% renewable supply, IPTO connection above 10 MW and priority for sites above 200 MW with 80% local supply, under the October 2026 Ministry of Environment and Energy bill. ## How to cite Data Center Market Research & Consulting | DC Market Insights, "Greece Data Center Market", updated 2026-10-18, https://www.dcmarketinsights.com/report/greece-data-center-market