Compliance & Accountability14 min readGreen Key 2026: What Hotels Need to Measure NowGreen Key's 2026 certification criteria are now in effect. Learn what hotels should measure, document and prepare for their next sustainability assessment.Oct 9, 2026
Energy Efficiency13 min readHotel Solar and Battery Storage: When Does It Pay Off?Learn how hotels should calculate solar and battery ROI using load profiles, self-consumption, tariffs, storage value and measured savings.Sep 10, 2026
Compliance & Accountability13 min readHotel Sustainability Claims: What Changes on 27 SeptemberEU sustainability claim rules change on 27 September 2026. See what hotels should review, measure and substantiate before communicating performance.Sep 3, 2026
Water Efficiency13 min readEurope's Drought Is Changing the Business Case for Hotel Water MonitoringEurope's 2026 drought is turning hotel water efficiency into an operational risk. Learn how monitoring, baselines and leak detection improve resilience.Aug 28, 2026
Compliance & Accountability13 min readPPWR for Hotels: What to Prepare Before 12 August 2026A practical PPWR readiness guide for hotels facing the 12 August 2026 application date, HORECA refill rules, waste KPIs, procurement steps and a 90-day action plan.Jul 31, 2026
Compliance & Accountability6 min readEU Empowering Consumers for the Green Transition Directive: What Building & Hospitality Operators Must Fix During 2026The EU Empowering Consumers for the Green Transition Directive bans vague green claims and self-made labels from 2026. What building owners, hotels, and ESG teams must fix now to stay compliant.Feb 6, 2026
