International Standards

Standard Code	Organization	Scope	Description	Key Requirements
ISO 14122	ISO	Power Generation	General Requirements	Plant specifications
API RP 14E	API	Piping Systems	Design & Operation	System requirements
ASME PTC 45	ASME	Performance Testing	Plant Performance	Testing procedures
IEC 60034	IEC	Rotating Machines	Generator Standards	Equipment specs
ISO 15649	ISO	Piping Systems	High Pressure	Design requirements

Well Design & Drilling Standards

Standard Code	Organization	Scope	Key Requirements
API RP 53	API	Well Control	Blowout prevention
ISO 10417	ISO	Subsurface Safety	Safety systems
NACE MR0175	NACE	Materials Selection	Corrosion resistance
API Spec 6A	API	Wellhead Equipment	Equipment specs
API RP 14B	API	Design & Installation	Well safety systems

Environmental Standards

Standard Code	Organization	Scope	Key Requirements
ISO 14001	ISO	Environmental Management	Management system
EPA Class V	EPA	Underground Injection	Injection wells
ISO 14064	ISO	GHG Emissions	Carbon accounting
EU Directive 2009/28/EC	EU	Renewable Energy	EU requirements
ISO 14040	ISO	Life Cycle Assessment	Environmental impact

Safety Standards

Standard Code	Organization	Scope	Key Requirements
ISO 45001	ISO	Occupational Safety	Safety management
OSHA 1910.119	OSHA	Process Safety	US requirements
NFPA 850	NFPA	Fire Protection	Fire safety
API RP 49	API	Drilling Safety	Safe practices
IEC 61508	IEC	Functional Safety	Safety systems

Plant Design Standards

Standard Code	Organization	Scope	Key Requirements
ASME BPVC	ASME	Pressure Vessels	Design code
API 650	API	Storage Tanks	Tank design
TEMA Standards	TEMA	Heat Exchangers	Design requirements
API RP 520	API	Pressure Relief	Safety systems
IEC 60079	IEC	Hazardous Areas	Equipment protection

Material Standards

Standard Code	Organization	Scope	Key Requirements
ASTM A53	ASTM	Piping Materials	Material specs
NACE MR0103	NACE	Material Requirements	Corrosion resistance
ISO 15156	ISO	Materials Selection	H2S resistance
API 5L	API	Line Pipe	Pipe specifications
ASME B31.1	ASME	Power Piping	Material requirements

Performance Testing

Standard Code	Organization	Scope	Key Requirements
ASME PTC 45	ASME	Plant Performance	Testing procedures
ISO 18213	ISO	Performance Testing	Test methods
ASTM E974	ASTM	Thermal Testing	Testing standards
IEC 60034-2-1	IEC	Generator Testing	Efficiency testing
ISO 5167	ISO	Flow Measurement	Flow testing

Control System Standards

Standard Code	Organization	Scope	Key Requirements
IEC 61511	IEC	Process Safety	Safety systems
ISA 18.2	ISA	Alarm Management	Alarm systems
IEC 62443	IEC	Cybersecurity	Security requirements
API RP 14C	API	Control Systems	Safety controls
IEC 61131	IEC	PLC Programming	Control systems

Grid Connection Standards

Standard Code	Organization	Scope	Key Requirements
IEEE 1547	IEEE	Grid Interconnection	Connection requirements
IEC 61400-21	IEC	Grid Connection	Power quality
ENTSO-E	EU	Network Code	EU requirements
G99 (UK)	UK	Grid Connection	UK requirements
AS 4777	Australia	Grid Connection	Australian standards

Quality Management

Standard Code	Organization	Scope	Key Requirements
ISO 9001	ISO	Quality Management	Management system
API Q1	API	Quality Programs	Quality requirements
ISO 17025	ISO	Testing Labs	Laboratory requirements
ISO 19011	ISO	Auditing	Audit guidelines
ISO 10012	ISO	Measurement Systems	Measurement quality

Maintenance Standards

Standard Code	Organization	Scope	Key Requirements
ISO 55000	ISO	Asset Management	Management system
API RP 571	API	Damage Mechanisms	Inspection guidance
ISO 14224	ISO	Reliability Data	Data collection
NFPA 70B	NFPA	Electrical Maintenance	Maintenance procedures
API RP 580	API	Risk-Based Inspection	Inspection program

Resource Assessment

Standard Code	Organization	Scope	Key Requirements
ASTM D5072	ASTM	Geothermal Resources	Assessment methods
ISO 17741	ISO	Energy Savings	Calculation methods
USGS Standards	USGS	Resource Evaluation	Assessment guidelines
IGA Standards	IGA	Resource Assessment	Best practices
API RP 44	API	Sampling Methods	Sampling procedures