- ΗΟΜΕ
- REGULATORY SERVICES
- TRANSMISSION SERVICES
- STANDARD AGREEMENT & OTHER DOCUMENTS
- NATIONAL NATURAL GAS SYSTEM
- REGULATORY FRAMEWORK / COMPLIANCE
- PROJECTS
- REGULATORY SERVICES
- Transmission Services
- NNGTS Access Guide
- Transmission Users Information
- Relevant Points and Capacities (Technical/Booked/Available)
- Additional Transportation Capacity for Delivery
- Historical Data of Transmission System Operation
- Historical Data of Natural Gas Quality
- Hourly Quality Data of Interconnection Points
- Historical Data of Gross Calorific Value
- Historical Data of Natural Gas Deliveries / Off – Takes
- Capacity usage at Entry / Exit Points – Historical Data
- Secondary Market of Natural Gas Transmission System
- Historical Data of Natural Gas Pressure in Entry Points
- Historical Data of N.G. Nominations
- Linepack Calculation
- NNGTS Maintenance/Calibration Program
- Natural Gas Quality Specification
- Οther Data
- Capacity Auctions
- Standard Agreement & Other Documents
- Transmission Tariffs
- NNGTS Operational Gas
- Annex I of Regulation 715/2009
- Commission Regulation (EU) 2017/460
- LNG Services
- Balancing Services
- Access to EIS
- Transmission Services
- NON REGULATORY SERVICES
- List of Supplementary Transmission Services
- Additional LNG Services
- Οther Non Regulatory Services
- Polyethylene Welding Certification
- Gas Metrology Services
- Operation and Maintenance of Natural Gas Distribution Network
- Natural Gas Odorization Services
- Administrative, Technical & Metrological user support at the entry points metering stations
- Vehicle Gas Refueling Stations (CNG)
- Technical Consulting Services
- Corrosion and Lightning Protection
- Natural Gas Transmission System Technical Support
- Non Destructive Testing (NDT) Services
- Provision of Operational Data
- Clients
- SAFETY / ENVIRONMENT / QUALITY
- ANNOUNCEMENTS