What changed in Europe’s data centres, week 42

In week 42 so far, the pipeline tracker added 57 projects in 7 countries and recorded 3 stage moves and 6 milestone updates; the regulation tracker recorded 102 changes.

Week 42, 12 to 18 October 2026, so farUpdated hourly, the week closes 19 Oct at 06:00 UTCRSS feed

Data-centre projects

The pipeline tracker by country: projects of 5 MW or more, counted, never named and never added up in MW. Each line carries the latest public milestone of its projects and their basis.

14 Sep 2026latest milestoneItaly 20 projects added: 9 in planning, 4 announced, 4 permitted, 3 under construction. basis: 5 filed, 12 stated, 3 announcedItaly market
5 Oct 2026latest milestoneGermany 18 projects added: 10 under construction, 3 announced, 3 permitted, 1 in planning, 1 structure complete. basis: 10 filed, 6 stated, 2 announcedGermany market
12 Oct 2026latest milestoneNetherlands 8 projects added: 4 permitted, 2 in planning, 1 announced, 1 under construction. basis: 6 filed, 1 stated, 1 announcedNetherlands market
28 Sep 2026latest milestoneIreland 7 projects added: 3 permitted, 2 under construction, 1 announced, 1 in planning. basis: 6 filed, 1 announcedIreland market
10 Jul 2026latest milestoneFrance 2 projects added: 1 announced, 1 permitted. basis: 1 filed, 1 announcedFrance market
Oct 2025latest milestoneUnited Kingdom 1 project added, in planning. basis: statedUnited Kingdom market
14 Aug 2025latest milestoneSpain 1 project added, announced. basis: announcedSpain market
14 Sep 2026Netherlands 1 project moved from permitted to in planning. basis: filedNetherlands market
28 Aug 2026Netherlands 1 project moved from permitted to under construction. basis: filedNetherlands market
13 Jul 2026United Kingdom 1 project moved from announced to in planning. basis: filedUnited Kingdom market
12 Oct 2026latest milestoneIreland 3 milestones updated, stage unchanged. basis: 2 filed, 1 statedIreland market
17 Jun 2026latest milestoneGermany 2 milestones updated, stage unchanged. basis: 2 filedGermany market
22 Oct 2025latest milestoneGreece 1 milestone updated, stage unchanged. basis: announcedGreece market

Rules for data centres

Changes to the regulation tracker, dated by the day the tracker changed, with each rule's status.

18 Oct 2026EU Added to the tracker: EED energy management systems, Article 11 (In force as a Directive duty on Member States; deadline not yet reached).Tracker
17 Oct 2026United Kingdom 8 rules added.Show 8
1. 17 Oct 2026United Kingdom Added to the tracker: Scottish Parliament motion S7M-01177 on hyperscale data centres, as amended (Motion agreed on 16 September 2026. It is a motion, not legislation. The Scottish Government has committed to national planning guidance by the end of 2026).United Kingdom rules
2. 16 Oct 2026United Kingdom Added to the tracker: Infrastructure Planning (Business or Commercial Projects) (Amendment) Regulations 2026 (SI 2026/13), Schedule paragraph 10 Data centres (In force since 8 January 2026. Section 35 directions issued for Wapseys Wood (16 March 2026), Ampthill Road, Bedford (15 June 2026) and Dartford (1 July 2026)).United Kingdom rules
3. 16 Oct 2026United Kingdom Added to the tracker: National Planning Policy Framework, August 2026, policies E1 and E2 and flood risk Table 2 (In force. Decision-making policies took effect on 17 August 2026).United Kingdom rules
4. 16 Oct 2026United Kingdom Added to the tracker: Cyber Security and Resilience (Network and Information Systems) Bill, clause 4 (data centres regulated as essential services) (Bill before the House of Lords, at report stage).United Kingdom rules
5. 16 Oct 2026United Kingdom Added to the tracker: Ofgem proposed data centre connection reforms: Data Centre Commitment Fee and queue management milestones (Proposal. Consultation closed in September 2026; Ofgem lists it as awaiting decision).United Kingdom rules
6. 16 Oct 2026United Kingdom Added to the tracker: AI Growth Zones (application criteria and proposed electricity cost reduction) (Applications open with no closing date. Five zones listed as announced (Oxfordshire, North East, North Wales, South Wales, Scotland). Electricity cost reduction is a stated plan, not yet legislated).United Kingdom rules
7. 16 Oct 2026United Kingdom Added to the tracker: Climate Change Agreements (Administration, Energy-intensive Installations and Eligible Facilities) (Amendment and Revocation) Regulations 2026 (SI 2026/826), Schedule paragraph 37 (Made 7 July 2026; in force 1 January 2027).United Kingdom rules
8. 16 Oct 2026United Kingdom Added to the tracker: Critical National Infrastructure designation of data centres (Announced by the Technology Secretary on 12 September 2024).United Kingdom rules
16 Oct 2026Austria 11 rules added.Show 11
1. 16 Oct 2026Austria Added to the tracker: Federal Energy Efficiency Act (EEffG), section 72a with section 60(5) and (6), inserted by Federal Law Gazette I No. 29/2024 (In force since 18 April 2024; fine in section 68(4) point 3(f) in force since 15 May 2025).Austria rules
2. 16 Oct 2026Austria Added to the tracker: Network and Information Systems Security Act 2026 (NISG 2026, NIS2 transposition), Annex 1 point 8 and sections 24 and 29, Federal Law Gazette I No. 94/2025 (In force since 1 October 2026 (Federal Law Gazette I No. 94/2025, published 23 December 2025)).Austria rules
3. 16 Oct 2026Austria Added to the tracker: Critical Entities Resilience Ordinance (RKEV), section 11 point 5, Federal Law Gazette II No. 91/2026 (In force since 15 April 2026).Austria rules
4. 16 Oct 2026Austria Added to the tracker: Draft amendment of the Environmental Impact Assessment Act 2000 (138/ME), Annex 1 point 19a (Draft published for consultation 21 September 2026; consultation ends 1 November 2026).Austria rules
5. 16 Oct 2026Austria Added to the tracker: Vienna Energy and Climate Law Implementation Act 2020 (WERUG 2020), sections 7, 8, 10 and 22, as amended by Vienna Provincial Law Gazette No. 28/2026 (In force since 17 July 2026).Austria rules
6. 16 Oct 2026Austria Added to the tracker: Upper Austria Energy Efficiency Act (Oö. EEffG), sections 11, 12 and 17, Provincial Law Gazette No. 29/2026 (In force since 1 April 2026).Austria rules
7. 16 Oct 2026Austria Added to the tracker: Tyrol Energy Efficiency Act (TEffG), section 17, Provincial Law Gazette No. 21/2026 (In force since 31 March 2026).Austria rules
8. 16 Oct 2026Austria Added to the tracker: Burgenland Energy Efficiency Act (Bgld. EEG), sections 11 and 12, Provincial Law Gazette No. 105/2025 (In force since 30 December 2025).Austria rules
9. 16 Oct 2026Austria Added to the tracker: Vorarlberg Act on Operator Duties for Environmental Protection, section 12, as amended by Provincial Law Gazette No. 41/2026 (In force since 18 September 2026).Austria rules
10. 16 Oct 2026Austria Added to the tracker: Lower Austria Spatial Planning Act 2014, sections 11c and 18c, Provincial Law Gazette No. 38/2026 (In force since 9 June 2026).Austria rules
11. 15 Oct 2026Austria Added to the tracker: Second Permit Exemption Ordinance under the Trade Act, section 1(1) point 11, inserted by Federal Law Gazette II No. 172/2018 (In force since 7 July 2018).Austria rules
16 Oct 2026Belgium 3 rules added.Show 3
1. 16 Oct 2026Belgium Added to the tracker: Energy Decree of 8 May 2009, article 7.8/1.1 paragraphs 1 to 3 (annual data centre reporting) (In force since 27 May 2024 (decree of 19 April 2024); current text, European database route and fine from 7 May 2026 (decree of 3 April 2026, Belgian Official Gazette 27 April 2026)).Belgium rules
2. 16 Oct 2026Belgium Added to the tracker: Energy Decree, article 7.8/1.1 paragraph 4 (EU Code of Conduct best practices) (In force since 27 May 2024 (decree of 19 April 2024, Belgian Official Gazette 17 May 2024); renumbered article 7.8/1.1 from 7 May 2026).Belgium rules
3. 16 Oct 2026Belgium Added to the tracker: COBRACE (Brussels Air, Climate and Energy Code), article 2.5.9, inserted by the ordinance of 7 March 2024 (In force since 1 April 2024).Belgium rules
16 Oct 2026Bulgaria 3 rules added.Show 3
1. 16 Oct 2026Bulgaria Added to the tracker: Energy Efficiency Act, article 70a (public disclosure by data centres), created by paragraph 24 of the act amending the Renewable Energy Act (State Gazette 47 of 10 June 2025) (In force since 10 June 2025 (State Gazette 47 of 10 June 2025; the amending act takes effect on publication)).Bulgaria rules
2. 16 Oct 2026Bulgaria Added to the tracker: Cybersecurity Act, articles 4, 4a and 6 and Annex I sector 8 (digital infrastructure: providers of data centre services), as amended by the NIS2 transposition act (State Gazette 17 of 13 February 2026) (In force three days after publication in State Gazette 17 of 13 February 2026 (the act sets no date of its own, so the Constitution's three-day rule applies)).Bulgaria rules
3. 16 Oct 2026Bulgaria Added to the tracker: Draft act amending the Energy Efficiency Act (transposing Directive (EU) 2023/1791), revised draft of 28 August 2026, paragraph 77: article 70a(3) annual filing by 15 May and new article 70a(5) waste heat use (Draft. Put to public consultation by the Ministry of Energy on 24 July 2026 and revised on 28 August 2026; no sign in the sources checked that it has reached parliament).Bulgaria rules
16 Oct 2026Croatia 5 rules added.Show 5
1. 16 Oct 2026Croatia Added to the tracker: Energy Efficiency Act (Narodne novine 155/2025), article 38 paragraphs 1 to 4 (data centre reporting); duty first created by the amending act in Narodne novine 40/2025 (In force since 15 March 2025 (Narodne novine 40/2025, published 7 March 2025); current text from the Energy Efficiency Act in force since 1 January 2026).Croatia rules
2. 16 Oct 2026Croatia Added to the tracker: Energy Efficiency Act (Narodne novine 155/2025), article 38 paragraphs 5 and 6 (efficiency measures and waste heat priority) (In force since 1 January 2026).Croatia rules
3. 16 Oct 2026Croatia Added to the tracker: Heat Energy Market Act, article 15 paragraph 9 point 5, as amended by Narodne novine 67/2025; method in the cost-benefit analysis rulebook (Narodne novine 129/2025) (In force since 17 April 2025 (Narodne novine 67/2025, published 9 April 2025); rulebook in force since 23 October 2025).Croatia rules
4. 16 Oct 2026Croatia Added to the tracker: Heat Energy Market Act, article 15 paragraph 14 (waste heat use), as amended by Narodne novine 67/2025 (In force since 17 April 2025 (Narodne novine 67/2025, published 9 April 2025)).Croatia rules
5. 16 Oct 2026Croatia Added to the tracker: Cybersecurity Act (Narodne novine 14/2024, NIS2 transposition), articles 4, 22, 23 and 26 (data centre service providers) (In force since 15 February 2024 (published 7 February 2024)).Croatia rules
16 Oct 2026Cyprus Added to the tracker: Energy Efficiency Law 2009 to 2025, article 8 point (ιβ) (power to set data centre duties), added by Law 8(I)/2025; Energy Efficiency (Specification of the obligations of owners and operators of data centres with installed IT power demand of at least 500 kW) Order of 2025 (Κ.Δ.Π. 83/2025) (In force since 21 March 2025 (Order 83/2025, Official Gazette III 5933 of 21 March 2025, in force on publication); enabling power added by Law 8(I)/2025 (Official Gazette I 5027 of 21 February 2025)).Cyprus rules
16 Oct 2026Cyprus Added to the tracker: Network and Information Systems Security Law of 2020 as amended by Law 60(I)/2025 (NIS2 transposition), article 2A and Annex I sector 8 (digital infrastructure: providers of data centre services) (In force since 25 April 2025 (Law 60(I)/2025, Official Gazette I 5036 of 25 April 2025; in force on publication, with only article 7 of the amending law delayed)).Cyprus rules
16 Oct 2026Czechia 4 rules added.Show 4
1. 16 Oct 2026Czechia Added to the tracker: Act 406/2000, section 9c(1) and (2): annual reporting (In force; section 9c since 1 January 2024 (Act 469/2023), reporting by 15 May to the European database since 1 August 2025 (Act 87/2025)).Czechia rules
2. 16 Oct 2026Czechia Added to the tracker: Act 406/2000, section 9c(3): notification to the Ministry (In force since 1 January 2024).Czechia rules
3. 16 Oct 2026Czechia Added to the tracker: Act 406/2000, section 9c(4) and (5): waste heat energy assessment (In force since 1 January 2024).Czechia rules
4. 16 Oct 2026Czechia Added to the tracker: Act 406/2000, section 9c(6) to (8), with Act 87/2025, Art. VIII point 5: waste heat use (In force since 1 January 2024; centres above 1 MW when Act 87/2025 took effect have until 31 December 2026).Czechia rules
16 Oct 2026Denmark 5 rules added.Show 5
1. 16 Oct 2026Denmark Added to the tracker: Order 926 of 9 July 2024 on reporting of data centre energy performance (recast EED transposition) (In force since 1 September 2024).Denmark rules
2. 16 Oct 2026Denmark Added to the tracker: Order 1167 of 2 October 2025 on cost-benefit analyses, section 6 (data centre use of surplus heat) (In force since 11 October 2025).Denmark rules
3. 16 Oct 2026Denmark Added to the tracker: Act 866 of 7 October 2026 amending the Electricity Supply Act (grid connection prioritisation and refusal) (In force since 12 October 2026).Denmark rules
4. 16 Oct 2026Denmark Added to the tracker: Order 892 of 9 October 2026 on prioritising capacity and refusal at capacity limits in the public electricity grid, sections 8, 14, 16 and 18 (Issued; published 15 October 2026, in force from 19 October 2026).Denmark rules
5. 15 Oct 2026Denmark Added to the tracker: Heat Supply Act, section 23 r (inserted by Act 736 of 20 June 2025), basis for the surplus heat rules (In force since 11 October 2025).Denmark rules
16 Oct 2026Estonia Added to the tracker: Cybersecurity Act, § 2 point 1, § 3(3) point 1 and § 3(4) point 8, as amended by the act of 10 December 2025 transposing NIS2 (In force since 1 January 2026).Estonia rules
16 Oct 2026Finland 7 rules added.Show 7
1. 16 Oct 2026Finland Added to the tracker: Energy Efficiency Act (1429/2014) s. 29 e: use of data centre waste heat (In force since 1 January 2026 (Act 1382/2025)).Finland rules
2. 16 Oct 2026Finland Added to the tracker: Energy Efficiency Act s. 27 b, 28 and 29: cost-benefit analysis for new or significantly upgraded data centres (In force since 1 January 2026 (Act 1382/2025)).Finland rules
3. 16 Oct 2026Finland Added to the tracker: Energy Efficiency Act s. 29 f: data centre information (Act 846/2024) (In force since 30 December 2024).Finland rules
4. 16 Oct 2026Finland Added to the tracker: Act 1352/2025 (HE 156/2025): data centre electricity moved from tax class II to class I (Enacted 22 December 2025; in force from 1 July 2026).Finland rules
5. 16 Oct 2026Finland Added to the tracker: Member bill LA 27/2026 vp: grid connection conditions for data centres (Electricity Market Act, new s. 20 d and 65 c) (Bill in Parliament; filed 1 September 2026, with the Economic Affairs Committee since 25 September 2026).Finland rules
6. 16 Oct 2026Finland Added to the tracker: Member bill LA 32/2026 vp: environmental impact assessment for data centres (EIA Act, Annex 1) (Bill in Parliament; filed 18 September 2026).Finland rules
7. 15 Oct 2026Finland Added to the tracker: Energy Efficiency Act s. 29 g: Energiavirasto as competent authority for Delegated Regulation (EU) 2024/1364 (In force since 1 January 2026 (Act 1382/2025)).Finland rules
16 Oct 2026Germany Added to the tracker: EnEfG §11(2), new data centres (In force).Germany rules
16 Oct 2026Greece 6 rules added.Show 6
1. 16 Oct 2026Greece Added to the tracker: Law 4342/2015, article 10A (data centre key performance indicators), inserted by article 46 of Law 5164/2024 (In force since 12 December 2024 (Law 5164/2024, Government Gazette A 202 of 12 December 2024)).Greece rules
2. 16 Oct 2026Greece Added to the tracker: Law 4442/2016, articles 329, 330 and 333 (land use, building and fire classification of data centres), and Law 4759/2020 article 33 paragraph 3 point (i) as replaced by article 5 of Law 5069/2023 (building terms) (In force since 28 November 2023 (Law 5069/2023)).Greece rules
3. 16 Oct 2026Greece Added to the tracker: Law 5160/2024 (NIS2 transposition), articles 6 and 19 (register of digital infrastructure entities) (In force since 27 November 2024 (Government Gazette A 195 of 27 November 2024)).Greece rules
4. 16 Oct 2026Greece Added to the tracker: Ministry of Environment and Energy bill on electricity market design (transposing Directive (EU) 2024/1711), data centre provisions (Draft published for consultation 10 October 2026, open until 24 October 2026; not yet before parliament).Greece rules
5. 15 Oct 2026Greece Added to the tracker: Law 4442/2016, articles 320 to 328 (notification of operation of data centres), added by article 3 of Law 5069/2023; joint ministerial decision 96038 (procedure, fees and fines) (In force since 28 November 2023 (Law 5069/2023, Government Gazette A 193 of 28 November 2023); procedure set by joint ministerial decision 96038, Government Gazette B 7589 of 31 December 2024, effective two months after publication).Greece rules
6. 15 Oct 2026Greece Added to the tracker: Ministerial decision 17185/1069/2022, Annex XII, group 12, item 20 (environmental classification of data centres), and ministerial decision 82255/5190/2025 (standard environmental commitments for category B data centres) (In force since 29 July 2025 for the standard environmental commitments (Government Gazette B 4095 of 29 July 2025); classification set by the decision of 21 February 2022 (Government Gazette B 841 of 24 February 2022)).Greece rules
16 Oct 2026Hungary 3 rules added.Show 3
1. 16 Oct 2026Hungary Added to the tracker: Act LVII of 2015 on energy efficiency, section 21/F (data centre reporting), inserted by section 57 of Act LXXXVII of 2024; content of the report in Government Decree 122/2015, section 12/A and Annex 13 (In force since 16 January 2025 (Act LXXXVII of 2024, Hungarian Gazette no. 133 of 23 December 2024)).Hungary rules
2. 16 Oct 2026Hungary Added to the tracker: Act LXIX of 2024 on the cybersecurity of Hungary (NIS2 transposition), section 2(1)(c), section 4 point 7 and Annex 2 item 18 (data centre service providers) (In force since 1 January 2025; section 2(1)(c) current text from Act XXXII of 2025, in force since 31 May 2025).Hungary rules
3. 16 Oct 2026Hungary Added to the tracker: Government Decree 474/2024 implementing the act on the resilience of critical entities, section 79 (data centre services) (In force since 1 January 2025).Hungary rules
16 Oct 2026Italy Added to the tracker: Decree-law 21/2026 Article 8, single authorisation for data centres, converted by Law 49/2026 (In force).Italy rules
16 Oct 2026Latvia 3 rules added.Show 3
1. 16 Oct 2026Latvia Added to the tracker: Energy Efficiency Law, Article 12.1 (energy efficiency in data centres), added by the law of 20 March 2025 (In force since 18 April 2025).Latvia rules
2. 16 Oct 2026Latvia Added to the tracker: National Cybersecurity Law, Article 1 point 2, Article 20 point 8(t) and Article 21(1) point 1 (data centre service providers) (In force since 1 September 2024; current text from 18 June 2026).Latvia rules
3. 16 Oct 2026Latvia Added to the tracker: National Cybersecurity Law, Article 30, and Cabinet Regulation No. 602 of 29 September 2026 on information system hosting and data centre security (In force since 1 October 2026 (Regulation No. 602); Article 30 in force since 1 September 2024).Latvia rules
16 Oct 2026Lithuania 4 rules added.Show 4
1. 16 Oct 2026Lithuania Added to the tracker: Energy Efficiency Law No. XII-2702, Article 16(1) to (4), in the wording of Law No. XV-237 of 5 June 2025 (annual data centre reporting) (In force since 1 October 2025).Lithuania rules
2. 16 Oct 2026Lithuania Added to the tracker: Energy Efficiency Law No. XII-2702, Article 15(1) point 4, (3) and (4), in the wording of Law No. XV-237 (cost-benefit analysis for data centres) (In force since 1 October 2025).Lithuania rules
3. 16 Oct 2026Lithuania Added to the tracker: Energy Efficiency Law No. XII-2702, Article 16(5), in the wording of Law No. XV-237 (duty to use waste heat) (In force since 1 October 2025).Lithuania rules
4. 16 Oct 2026Lithuania Added to the tracker: Cybersecurity Law No. XII-1428, Article 2(7), Article 11(2) to (4) and Annex 1 point 8.1.5 (data centre service providers) (In force since 18 October 2024 (new wording by Law No. XIV-2902 of 11 July 2024); current text from 4 July 2026).Lithuania rules
16 Oct 2026Malta 3 rules added.Show 3
1. 16 Oct 2026Malta Added to the tracker: Data Centres (Sustainability Reporting Obligations) Regulations, 2025 (S.L. 545.42, Legal Notice 271 of 2025), regulations 3 to 5 (public disclosure and European database reporting) (In force (Legal Notice 271 of 2025, published in the Government Gazette of Malta 21,545 on 28 November 2025; the regulations set no separate commencement date)).Malta rules
2. 16 Oct 2026Malta Added to the tracker: Same Regulations, regulation 6 (waste heat use and cost-benefit analysis) (In force (Legal Notice 271 of 2025, published 28 November 2025); the use duty applies following 11 October 2025).Malta rules
3. 16 Oct 2026Malta Added to the tracker: Measures for a High Common Level of Cybersecurity across the European Union (Malta) Order, 2025 (S.L. 460.41, Legal Notice 71 of 2025), articles 3 and 4 and First Schedule sector 8 (digital infrastructure: data centre service providers), as amended by Legal Notice 89 of 2026 (In force since 23 January 2026 (commencement notice Legal Notice 22 of 2026; Order published in the Government Gazette on 8 April 2025)).Malta rules
16 Oct 2026Netherlands Bkl instruction rule, Staatsblad 2023, 492: next date now Autumn 2026: national integrated data-centre approach, which explores tightening the criteria; no date published (was Ongoing).Netherlands rules
16 Oct 2026Netherlands Added to the tracker: Bal paragraph 5.4.1a, arts 5.16a to 5.16c (Staatsblad 2024, 122): energy-efficiency data of data centres (EED Art. 12) (In force since 7 May 2024).Netherlands rules
16 Oct 2026Norway 5 rules added.Show 5
1. 16 Oct 2026Norway Added to the tracker: Energy Act (energiloven) sections 7-2 to 7-4, cost-benefit analysis of surplus heat, and Law of 19 June 2026 no. 38 amending them (Sections 7-2 to 7-4 in force since 1 April 2025. Law no. 38 passed by the Storting on 26 May and 2 June 2026 and published 19 June 2026; not in force).Norway rules
2. 16 Oct 2026Norway Added to the tracker: Regulation on cost-benefit analysis of surplus heat (FOR-2024-09-25-2263), sections 4 and 5 (In force since 1 April 2025).Norway rules
3. 16 Oct 2026Norway Added to the tracker: Electronic Communications Act (ekomloven) section 3-7 and Regulation on data centres (FOR-2024-12-18-3313) sections 1-2 and 1-3, registration with Nkom (In force since 1 January 2025; existing operators had to register by 1 July 2025).Norway rules
4. 16 Oct 2026Norway Added to the tracker: Duties added on 1 July 2026 by Regulation 2026 no. 1320 (data centre regulation sections 1-4 to 1-7 and 3-2) (In force since 1 July 2026).Norway rules
5. 16 Oct 2026Norway Added to the tracker: Regulation on data centres, chapter 2, security and preparedness (sections 2-1 to 2-10) and ekomloven section 3-7 (In force since 1 January 2025).Norway rules
16 Oct 2026Poland 4 rules added.Show 4
1. 16 Oct 2026Poland Added to the tracker: Draft amendment of the Energy Efficiency Act (UC77), public disclosure of data centre energy performance (Government draft, not adopted. Open on the legislation portal, inter-ministry agreement stage last changed 2 Oct 2026).Poland rules
2. 16 Oct 2026Poland Added to the tracker: Delegated Regulation (EU) 2024/1364, reporting to the EU data centre database (applies directly, no Polish transposing rule) (In force. Poland has no separate national reporting system).Poland rules
3. 15 Oct 2026Poland Added to the tracker: Draft amendment of the Energy Law (UC121), obligation to use waste heat (as described in the Council of Ministers work list) (Government draft, not adopted. Work-list entry updated 17 Aug 2026).Poland rules
4. 15 Oct 2026Poland Added to the tracker: Act of 7 July 2023 on preparing and carrying out investments in the National Data Processing Centre (Dz.U. 2023 item 1501) (In force since 17 Aug 2023).Poland rules
16 Oct 2026Portugal 3 rules added.Show 3
1. 16 Oct 2026Portugal Added to the tracker: Decree-Law 84/2024, arts 2, 4, 5 and 7 (EED Art. 12 transposition, public reporting, fines) (In force since 5 November 2024).Portugal rules
2. 15 Oct 2026Portugal Added to the tracker: Council of Ministers Resolution 70/2026 (National Data Centre Plan and Action Plan 2026-2027) (In force since 14 April 2026 (adopted 19 March, published 13 April); the Action Plan is strategic guidance and does not frame project approvals).Portugal rules
3. 15 Oct 2026Portugal Added to the tracker: Decree-Law 85/2026, art. 6 (prior authorisation of State projects) (Published 13 April 2026).Portugal rules
16 Oct 2026Romania Added to the tracker: Emergency Ordinance 155/2024 on the cybersecurity of networks and information systems (NIS2 transposition), Articles 5, 6 and 18 and Annex 1, sector 8 (data centre service providers); approved with amendments by Law 124/2025 (In force since 31 December 2024 (published that day in Monitorul Oficial no. 1332); current text from 6 July 2026).Romania rules
15 Oct 2026Romania Added to the tracker: Law 135/2007 on the archiving of electronic documents (republished 2014), Article 17 (prior authorisation of data centres) (In force since 25 May 2007 (published in Monitorul Oficial no. 345 of 22 May 2007); current text from 29 June 2024 (Law 201/2024)).Romania rules
16 Oct 2026Slovakia 3 rules added.Show 3
1. 16 Oct 2026Slovakia Added to the tracker: Act 69/2018 on cybersecurity as amended by Act 366/2024 (NIS2 transposition), section 2(2), section 17(1)(e) and Annex 1 (digital infrastructure: data centre service providers) (In force since 1 January 2025 (Act 366/2024; consolidated text read from 30 April 2026)).Slovakia rules
2. 16 Oct 2026Slovakia Added to the tracker: Government bill on energy efficiency (parliamentary print 1475), section 13(1) to (3) and section 10(17) (data centre reporting); it would replace Act 321/2014 (Government bill delivered to the National Council on 28 August 2026; at first reading the National Council referred it to committees, with 16 November 2026 as the lead committee's deadline; it would take effect on 1 January 2027).Slovakia rules
3. 16 Oct 2026Slovakia Added to the tracker: Same bill (print 1475), section 13(5) (waste heat assessment) and section 42(1)(b) (Government bill delivered to the National Council on 28 August 2026; at first reading the National Council referred it to committees, with 16 November 2026 as the lead committee's deadline; it would take effect on 1 January 2027).Slovakia rules
16 Oct 2026Slovenia Added to the tracker: Information Security Act (ZInfV-1), articles 6 and 7 and Annex 1 sector 8 (digital infrastructure: providers of data centre services); NIS2 transposition (In force since 19 June 2025 (Uradni list RS 40/2025 of 4 June 2025; in force on the fifteenth day after publication)).Slovenia rules
16 Oct 2026Slovenia Added to the tracker: Energy Efficiency Directive data centre duties, national transposition: new Energy Efficiency Act in preparation, to replace the Energy Efficiency Act (ZURE) of 2020 (Not transposed. The 2024 draft act (ZURE-1, public consultation from 4 October 2024) was not adopted; the state legal register lists a new Energy Efficiency Act at the planning stage at the Ministry of Infrastructure and Energy, with no text published; the 2020 Act, which holds no data centre duty, remains in force).Slovenia rules
16 Oct 2026Spain Added to the tracker: Draft Royal Decree on data centre sustainability, resilience and digital sovereignty, public hearing 27 Aug to 10 Sep 2026 (Draft, hearing closed, not in force).Spain rules
16 Oct 2026Sweden 5 rules added.Show 5
1. 16 Oct 2026Sweden Added to the tracker: Act (2025:570) on disclosure of data centre energy performance, sections 3 and 4 (EED Art. 12) (In force since 1 July 2025).Sweden rules
2. 16 Oct 2026Sweden Added to the tracker: Act (2025:570), section 7: orders and conditional fines (In force since 1 July 2025).Sweden rules
3. 16 Oct 2026Sweden Added to the tracker: Draft law amending Act (2014:268) on cost-benefit analyses, data centres added (EED Art. 26) (Referred to the Council on Legislation on 20 August 2026; no proposition listed on 15 October 2026).Sweden rules
4. 16 Oct 2026Sweden Added to the tracker: Draft law, section 4 a: use or recovery of waste heat at data centres (EED Art. 26(6)) (Referred to the Council on Legislation on 20 August 2026; no proposition listed on 15 October 2026).Sweden rules
5. 16 Oct 2026Sweden Added to the tracker: Energy tax on electricity, Act (1994:1776) chapter 11 section 3; data hall reduction abolished (Data hall reduction ended on 1 July 2023; general rate 36.0 öre per kWh).Sweden rules
16 Oct 2026Switzerland 4 rules added.Show 4
1. 16 Oct 2026Switzerland Added to the tracker: Energy Act of 16 Dec 2024 (EnerG), Art. 23, with the Art. 35 transition (In force since 1 Jan 2026; Art. 35 gives Art. 23 a one-year transition).Switzerland rules
2. 16 Oct 2026Switzerland Added to the tracker: Energy Ordinance (EnerV), section 25a (efficiency of data centres) (In force since 1 Jan 2026).Switzerland rules
3. 16 Oct 2026Switzerland Added to the tracker: Special Building Ordinance I (BBV I, LS 700.21), section 30a para 2 (waste heat to third parties) (In force since 1 Sep 2022; the cantonal government tells permit authorities to point to it, in an answer about a data centre (10 Jan 2024)).Switzerland rules
4. 15 Oct 2026Switzerland Added to the tracker: Energy Act (LEn, L 2 30), Art. 6 para 24, Art. 22B and Art. 22C, as amended by the law of 3 May 2024 (In force since 29 Jun 2024; Council of State reply filed 3 Jun 2026 says data centres need no specific authorisation as such).Switzerland rules

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A new week every Monday at 06:00 UTC.

Computed by ScienceShot from its own trackers, each compared with its state when the week began. Capacity figures are never added together.

ScienceShot calculation.

Cite this page

ScienceShot. (2026). What changed in Europe’s data centres [Online calculator]. https://scienceshot.com/intelligence/what-changed

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  author = {{ScienceShot}},
  title  = {{What changed in Europe’s data centres}},
  year   = {2026},
  note   = {Online calculator},
  url    = {https://scienceshot.com/intelligence/what-changed}
}