Green Key Certification for Hotels
Green Key Certification for Hotels
Green Key is an international environmental certification program designed specifically for tourism and hospitality businesses. The certification recognizes hotels and other tourism facilities that demonstrate a strong commitment to environmental management and sustainable operations.
Green Key certification is managed by the Foundation for Environmental Education (FEE) and is implemented in many countries worldwide. The program encourages hotels to improve environmental performance while maintaining high standards of guest comfort and service.
Purpose of Green Key Certification
The Green Key program aims to promote sustainability in the tourism sector by encouraging hotels to adopt responsible environmental practices.
For hotels, the certification helps to:
Reduce Environmental Impact
Encourage hotels to lower energy consumption, water use, and waste generation.
Promote Sustainable Operations
Integrate environmental management practices into daily hotel operations.
Raise Environmental Awareness
Educate staff and guests about sustainable behavior and environmental responsibility.
Provide Recognized Certification
Allow hotels to demonstrate verified sustainability performance to guests and partners.
By setting clear operational standards, Green Key helps hotels improve environmental performance in a structured and measurable way.
Environmental Criteria Categories
Green Key certification evaluates hotels across several environmental management areas.
Environmental Management
Hotels must implement an environmental policy and designate staff responsible for sustainability management.
Energy Management
Hotels must monitor energy consumption and implement energy efficiency measures.
Water Conservation
Water-saving measures and monitoring systems should be implemented to reduce water use.
Waste Management
Waste separation, recycling programs, and waste reduction initiatives are required.
Chemical Use
Environmentally responsible cleaning products and chemical handling practices must be adopted.
Sustainable Procurement
Hotels are encouraged to purchase environmentally certified products and services.
Food and Beverage Practices
Sustainable food sourcing and waste reduction initiatives are promoted.
Guest Engagement
Hotels are encouraged to inform guests about environmental initiatives and encourage participation in sustainability programs.
These criteria ensure that environmental responsibility is integrated throughout hotel operations.
Certification Process
Hotels seeking Green Key certification must complete a structured evaluation process.
Application Submission
The hotel submits documentation describing its environmental practices and operational procedures.
Compliance Review
Green Key representatives evaluate the application to determine whether the hotel meets the program criteria.
On-Site Verification
In many cases, an on-site inspection is conducted to verify environmental practices and operational procedures.
Certification Approval
If the hotel meets the criteria, it is awarded Green Key certification.
Hotels must maintain compliance with the program criteria to retain certification status.
Operational Requirements
Green Key certification focuses strongly on operational practices and staff engagement.
Typical requirements include:
Environmental Policy
The hotel must maintain a documented environmental policy.
Staff Training
Employees should receive training on environmental practices and sustainability initiatives.
Monitoring Resource Use
Energy, water, and waste generation must be monitored regularly.
Guest Communication
Hotels should inform guests about environmental initiatives and encourage sustainable behaviors.
These requirements ensure that sustainability practices are embedded into daily hotel operations.
Benefits of Green Key Certification
Green Key certification provides several advantages for hotels.
Improved Environmental Performance
Structured criteria help hotels reduce resource consumption and environmental impact.
Operational Cost Savings
Efficiency improvements can lower energy and water costs.
Guest Confidence
Certification signals environmental responsibility to guests and travel partners.
Industry Recognition
Green Key is widely recognized in the global hospitality sector.
Certification can therefore support both environmental goals and business strategy.
Role in Sustainable Hospitality
Environmental certification programs such as Green Key help hotels implement structured sustainability practices.
By encouraging resource efficiency, staff engagement, and responsible procurement, the certification promotes a comprehensive approach to sustainable hospitality.
Hotels that achieve Green Key certification demonstrate a commitment to reducing environmental impact while maintaining high standards of service and guest experience.
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Getting started
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- Arrivals/Departures
- Data elements required from PMS
- Manual Export PMS – Fidelio
- How to do a manual PMS export from Opera
- Manual Export PMS – Picasso
- Manual Export PMS – Protel
- Manual Export PMS – Spirit Web
- PMS – Cenium
- PMS – Citybreak
- PMS – Fidelio
- PMS – Opera
- PMS – Protel
- How to do a manual PMS export from HotSoft
- PMS – Skidata
- How to set up an Opera reports export
- PMI API
- PMI API Best Practice Get Forecasted hours
- PMI File Agent setup and documentation
- Technical specification for data integration
- How to transfer data to PMI
- How to enable Opera Cloud reports
- PMI system integration overview
- Import status overview
- Handling Outstanding Imports (Missing Data) in PMI
- How to read the import status page
- Opera Scheduler setup - Reservation Statistics 1
- Opera Scheduler setup - Report Trial Balance (trial_balance)
- Opera Scheduler setup - Reservation Forecast, (res_forecast)
- Opera Scheduler setup - Reservation History & Forecast (history_forecast)
- Opera Scheduler setup - Daily Forecast Report
- Opera Scheduler setup - SFTP transfer guide
- Manual Export PMS Opera
- Report 1 (manual export): Reservation Statistics 1 (res_statistics1)
- Report 2 (manual export): Reservation Forecast, (res_forecast)
- Report 3 (manual export): Trial Balance (trial_balance)
- Report 4 (manual export): Reservation History & Forecast (history_forecast)
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Video tutorials
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- Administration Labor cockpit [14:49]
- Bar and Pub Labor cockpit [12:21]
- Breakfast Labor cockpit [12:05]
- Consolidated view in Benchmarking and Management Perspective [3:20]
- Flash Report Onboarding [6:27]
- Flash report overview [2:25]
- Food cost cockpit [6:21]
- Kitchen Labor cockpit [11:28]
- Labor Cockpit Onboarding [18:16]
- Labor cockpit overview [3:12]
- Live forecast 1/5 navigation [5:05]
- Live Forecast 2/5 Rooms [5:05]
- Live forecast 3/5 meeting & event [5:40]
- Live forecast 4/5 food & beverage [6:11]
- Live forecast 5/5 breakfast [7:19]
- Live forecast onboarding [6:06]
- Live forecast overview [2:58]
- Management perspective overview [3:06]
- P&L Planning 1/10 Purpose and benefits [2:25]
- P&L Planning 10/10 How to approve forecast and budget or target [2:34]
- P&L Planning 2/10 Navigation [4:26]
- P&L Planning 3/10 How to build a total [4:29]
- P&L Planning 4/10 Three ways of inserting figures [4:32]
- P&L Planning 5/10 How to add a sub account [1:42]
- P&L Planning 6/10 How to build a constant [2:42]
- P&L Planning 7/10 Staff module [2:48]
- P&L Planning 8/10 How to add a staff member [1:33]
- P&L Planning 9/10 How to revise and submit a forecast [3:01]
- Repair and Maintenance Labor cockpit [13:01]
- Restaurant Labor cockpit [12:30]
- Schedule 1/8 Navigation [5:12]
- Schedule 2/8 How to create a labor cockpit schedule [4:29]
- Schedule 3/8 How to add a team member [2:07]
- Schedule 4/8 How to create a shift code [3:30]
- Schedule 5/8 How to add shift codes to team members [3:41]
- Schedule 6/8 How to create a rotating schedule [3:20]
- Schedule 7/8 How to replace shift codes for a period [2:00]
- Schedule 8/8 How to create split shifts between departments [2:42]
- Stewarding Labor cockpit [11:38]
- Timesheet Onboarding [4:14]
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- Articles coming soon
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- Administration Labor cockpit [14:49]
- Bar and Pub Labor cockpit [12:21]
- Breakfast Labor cockpit [12:05]
- Food cost cockpit [6:21]
- Front office Labor cockpit [12:05]
- Housekeeping Labor cockpit [11:20]
- Kitchen Labor cockpit [11:28]
- Labor Cockpit Onboarding [18:16]
- Labor cockpit overview [3:12]
- Repair and Maintenance Labor cockpit [13:01]
- Restaurant Labor cockpit [12:30]
- Schedule 1/8 Navigation [5:12]
- Schedule 2/8 How to create a labor cockpit schedule [4:29]
- Schedule 3/8 How to add a team member [2:07]
- Schedule 4/8 How to create a shift code [3:30]
- Schedule 5/8 How to add shift codes to team members [3:41]
- Schedule 6/8 How to create a rotating schedule [3:20]
- Schedule 7/8 How to replace shift codes for a period [2:00]
- Schedule 8/8 How to create split shifts between departments [2:42]
- Stewarding Labor cockpit [11:38]
- Timesheet Onboarding [4:14]
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- How to create a pre-populated new plan for Budget or Forecast [3:02]
- How to edit a plan [3:52]
- P&L Planning 1/10 Purpose and benefits [2:25]
- P&L Planning 10/10 How to approve forecast and budget or target [2:34]
- P&L Planning 2/10 Navigation [4:26]
- P&L Planning 3/10 How to build a total [4:29]
- P&L Planning 4/10 Three ways of inserting figures [4:32]
- P&L Planning 5/10 How to add a sub account [1:42]
- P&L Planning 6/10 How to build a constant [2:42]
- P&L Planning 7/10 Staff module [2:48]
- P&L Planning 8/10 How to add a staff member [1:33]
- P&L Planning 9/10 How to revise and submit a forecast [3:01]
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- PMI GoGreen - Cockpit overview [2:49]
- How to create a pre-populated new plan for Budget or Forecast [3:02]
- PMI GoGreen - Water [3:04]
- PMI GoGreen - Missed opportunities [2:57]
- PMI GoGreen - Register actual consumption [2:24]
- PMI GoGreen -Towels & linens [3:02]
- PMI GoGreen - How to prevent food waste [3:03]
- PMI GoGreen - How to reduce energy waste [3:08]
- PMI GoGreen - Waste [3:04]
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- Articles coming soon
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Onboarding
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- Onboarding roles overview
- Onboarding roles – Breakfast
- Onboarding roles – Finance
- Onboarding roles – Food cost
- Onboarding roles – Front Office
- Onboarding roles – Housekeeping
- Onboarding roles – Kitchen
- Onboarding roles – Restaurant and Meeting & Event
- Onboarding roles – Stewarding
- Onboarding roles – Repair and Maintenance
- GM Introduction to PMI
- Onboarding roles – Bar and Pub
- Onboarding roles – Administration
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GM's corner
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PMI homepage
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PMI planning
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- How to work with Rooms Budget and forecast
- How to work with non-rooms Budget and forecast
- Use Forecast/Budget hours from Cockpit in P&L Staff module
- How to input a budget in PMI
- Setting productivity targets in PMI
- Express planner overview
- How to run Express planner
- How to configure Express planner settings
- Express planner calculation explanation with examples
- Compiling revenue streams overview
- How to manually enter a revenue budget in PMI
- How to enter a revenue budget in PMI using Live forecast data
- How to enter a revenue budget in PMI using the Data Upload Centre
- How to set monthly labor productivity and hour targets in PMI
- Arrivals, departures, and stay over visibility
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- Accounts overview
- How to populate and edit accounts
- How to approve a forecast or budget in PMI
- How to copy from reference
- How to edit and update using the staffing tool
- How to make a profit forecast
- How to set up a weekly Live forecast
- How to add a comparison year in P&L
- How to modify a P&L report
- Planning Menu – Tools and View Options overview
- Planning staff module overview
- How to build a P&L planning report
- How to add staff and manage staff cost
- Staffing screen overview
- How to input a budget in PMI
- PMI Planning module overview
- How to add a Food & beverage revenue forecast in P&L Planning
- How to add room revenue in Planning
- Constants explained: how they work in PMI Planning
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Cockpit
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- Labor cockpit overview
- Labor Cockpit Preparations
- Labor cockpit cost driver
- SMART forecast explained
- How does SMART allocate daily hours?
- Using arrivals and departures as a cost driver
- Closing Profit Center or Cockpit
- How to work with labor cost
- Min/Max explanation
- Parent and sub-cockpits explained
- Staffing guide explained
- Daily and weekly routines for department heads
- Understanding the importance of including outsourced labor hours in PMI
- How to add labor cost in PMI
- Cockpit rates - Daily weighted payroll projection
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- Labor cockpit schedule
- How to make a schedule
- How to revise a schedule
- PMI Schedule: Information and Calculation rows explained
- Predefined shift codes
- How to print a schedule
- Revise staff
- Schedule 1/8 Navigation [5:12]
- Schedule 2/8 How to create a labor cockpit schedule [4:29]
- Schedule 3/8 How to add a team member [2:07]
- Schedule 4/8 How to create a shift code [3:30]
- Schedule 5/8 How to add shift codes to team members [3:41]
- Schedule 6/8 How to create a rotating schedule [3:20]
- Schedule 7/8 How to replace shift codes for a period [2:00]
- Schedule 8/8 How to create split shifts between departments [2:42]
- How to work with the Schedule in PMI
- Split Shifts Between Departments
- The Schedule Tools & View menu options overview
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Live forecast
- Live forecast overview
- How to set up a Live forecast: configuration settings
- Live forecast tools and personal view settings
- PMI prediction explained
- Pickup explanation
- Revenue driver explained
- Segment OTB
- Submit Live Forecast to Forecast (monthly routine)
- NextGen Rooms Live forecast overview
- NextGen Rooms Live forecast: Weekly routine overview
- Rooms live forecast: How to work with auto Live forecast
- NextGen Rooms live forecast: Personal view options
- Rooms Live forecast: Sense check mode explained
- How pickup fields are displayed and used in Room live forecast
- Collaborative Forecasting with PMI Prediction
- Non-rooms Live forecast using PMI prediction
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Data analysis views
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Administration
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- Add documents to a property
- Currency settings
- Fact sheets overview
- Group external hotel
- How to use hours transfer [3:34]
- Hours transfer rules
- Operational status
- Period locking overview
- Share group
- Share hotel
- How to complete Classification Fact sheet
- How to use Period locking for R&P in practice
- How to manage GoGreen Period locking
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GoGreen
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- Comparative data explained
- Data table general explained
- Formula/Calculations explained
- Goal charts and YoY comparison explained
- How to edit a GoGreen plan
- How to set up a Plan
- Intro to NextGen GoGreen Planning
- Main chart explained
- Plan values explained
- Save changes button explained
- Sense check mode explained
- Unit price explained
- Volume/usage/consumption explained
- How to do a monthly forecast routine in NextGen Planning
- GoGreen home page overview
- GoGreen Doing Cockpit overview
- GoGreen Learning page overview
- GoGreen index overview
- Weather normalization overview
- CO2 factors overview
- GoGreen targets explanation
- GoGreen index: How are the measurements calculated?
- Useful links for sustainability and environmental management best practice
- How to make a manual entry in a GoGreen cockpit
- Weather normalization explained
- GoGreen benchmarking enhancement - 01.23
- GoGreen – Data Integration & Insights (Overview)
- Environmental Sustainability in Hotels – Foundation
- Environmental Dimensions in Hotel Operations (Energy, Water, Waste, Emissions, etc.)
- Environmental Management Systems (EMS) in Hotels
- GoGreen Monitoring, Measurement, and Performance Evaluation in Hotels
- Waste Measurement and Verification in Hotels
- Emergency Preparedness and Environmental Risk Management in Hotels
- Hotel Water Consumption Profile & Key KPIs
- Domestic Hot Water Systems in Hotels (Efficiency & Legionella Control)
- Cooling Towers and Water Efficiency in Hotel HVAC Systems
- Water Metering, Submetering and Leak Detection in Hotels
- Preventive Water Management Tasks for Hotels
- Nordic Swan Ecolabel for Hotels
- How the Nordic Swan Criteria and Scoring Work
- BREEAM Certification for Hotels Explained
- Green Key Certification for Hotels
- Hotel Energy Consumption and Key Performance Indicators
- Hotel Energy Benchmarking (A++–G Classification)
- HVAC Systems and Energy Optimization in Hotels
- Boiler Systems and Heating Efficiency in Hotels
- Building Management Systems (BMS) and Energy Monitoring
- Preventive Energy Management and Engineering Tasks
- GoGreen Sustainability Knowledge Hub
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KPIs
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PMI adoption index
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General user knowledge
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Miscellaneous
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Access system
- Articles coming soon
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FAQ
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- How can I see the hours that are imported to PMI?
- How do I enter the rates?
- How do I know if I am scheduling according to activity?
- How does PMI summarize the hours?
- How is productivity calculated?
- What are fixed hours?
- What are productive and non-productive hours?
- What are the rates and how are they calculated?
- What is a cost driver?
- What is min/max hours?
- Why do the planned hours in the Timekeeping System (TKS) not match PMI?
- Why is the total number of hours for the month too low/high?
- What is SMART?
- How F&B departments can set realistic targets when room revenue drops temporarily
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- How do I estimate my Closing Inventory?
- My food cost % is wrong (too high/low). Why is that?
- My turnover days are set to 32. What does that mean?
- What are my routines in the Food cost cockpit?
- What do I enter in the Purchase column?
- What is opening and closing stock?
- What is the recommended number of turnover days?
- What is turnover days and how is it calculated?
- Where do I change my food cost forecast?
- Why is opening and closing stock important?
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- Can one employee work in two departments?
- How do I add a shift code?
- How do I copy hours into the unspecified row (Timekeeping system excluded)
- How do I create a rotating schedule?
- How do I make a new schedule?
- How do I navigate the tools in the schedule?
- What are timekeeping system (TKS) excluded hours for?
- How do I add a schedule to my cockpit?
- Do workers added in the schedule get carried over to future months?
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- Do I have to change my budget & forecast manually every month?
- How can I see what the current cost driver is?
- How do I set a productivity goal?
- How does the cost driver effect my hours and productivity?
- Where can I find the upload function?
- Why are my budget and forecast locked?
- What is Room revenue planning?
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- How do I copy to Live forecast?
- How do I submit my Live forecast to forecast?
- How do I reset the pickup for a full month?
- Why do I have a red triangle to the left of the date?
- What are Pickup statistics?
- What are covers?
- What are the seasons in PMI?
- What do the pickups show and why are they sometimes negative?
- What is a revenue driver?
- What is the difference between Forecast and Live forecast?
- Why does on the books in PMI not match what we have in our PMS?
- How do I calculate ARR and ADR?
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- Can I edit the figures in the Flash report?
- Different view options in the Flash report
- How am I performing compared to my forecast/budget/last year?
- How can I print the report?
- How can I switch between viewing daily and monthly figures?
- How do I check what segments add to the total daily figure?
- How do I edit my covers?
- Why are my room/guest nights wrong?
- What is the Flash Report
- Why is my revenue wrong?
- How is the month-to-date forecast and budget calculated in the Flash report?
- Why are the numbers in the Flash report different from the Live forecast?
- Where can I see account mapping details?
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- How do I know if the mapping is correct?
- How do I know where accounts should go in PMI?
- How do I map the categories in the timekeeping system (TKS)?
- I cannot see my department in Timekeeping System (TKS) mapping. How do I see it?
- There is a position missing in the Timekeeping system mapping. How can I fix this?
- What are Categories in PMI Timekeeping system?
- What is Departments in Timekeeping system (TKS) mapping?
- What is mapping accounts?
- What is mapping – timekeeping system?
- Why don’t I see the spoon and fork icon in account mapping?
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PMI Release notes
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- GoGreen Task Bank and Cockpit enhancements - 12.24
- Refrigerants and Fuel Tracking for GoGreen cockpits enhancement - 11.24
- KPI targets enhancement - 10.24
- Automatic renewal of constants enhancement - 10.24
- GoGreen manual entry enhancement - 10.24
- CO2 factors enhancement - 09.24
- KPI targets enhancement - 07.24
- NextGen Rooms Live forecast statistics and pickup data enhancement - 07.24
- Date picker enhancement - 07.24
- Update to NextGen Rooms Live forecast - 06.24
- P&L planning accounts enhancement - 06.24
- Weather normalization enhancement - 05.24
- Update to NextGen Rooms Live forecast page: Sense check updates - 05.24
- PMI adoption index enhancement - 05.24
- PMI adoption index enhancements - April 2024
- Consolidation OTB enhancement - April 2024
- Update to NextGen Rooms live forecast page: Personal view options, Mar 2024
- User administration enhancements March 2024
- GM daily digest enhancement March 2024
- PMI Index calculation updates for 2024
- KPI targets enhancement February 2024
- KPI targets enhancement - January 2024
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- GoGreen benchmarking enhancement - 01.23
- GoGreen index calculation enhancement - 04.23
- PMI adoption index: Help videos for measurements enhancement - 02.23
- Activity log enhancement - 07.23
- Arrivals and departures forecast enhancement - 02.23
- KPI upload tool enhancement - 08.23
- GoGreen Food waste cockpit enhancement - 08.23
- GoGreen Doing cockpit enhancement - 06.23
- Benchmarking: PMI Index value updates based on time period selected - 06.23
- GoGreen cockpit: Highlight months missing data on 12 month graph - 07.23
- KPI targets enhancement - 01.23
- Goal distribution tool enhancement - 09.23
- Live forecast enhancement: Editing ARR values -12.23
- User administration release note - 12.23
- New page view of Rooms live forecast - 12.23
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- Benchmarking calculation enhancement - 03.22
- Enhancement to add department type in the P&L report - 03.22
- Print all unmapped accounts on chain level - 03.22
- Printing to Excel and PDF enhancement - 03.22
- Introduction to PMI enhancement
- Room Live forecast – Change to pickup fields - 04.22
- Information/calculation rows in PMI schedule - 09.22
- Export to Google Sheets enhancement - 08.22
- PMI Advanced settings – Period locking - 06.22
- GM daily digest enhancements - 09.22
- PMI adoption index: Option to filter and export scores enhancement - 12.22
- Profit center Live forecast: Automatically switch between OTB and revenue driver
- SMART Forecast enhancement - 09.22
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d2o team only
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