| Greenhouse Gas Pollution Pricing Act             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Canada             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Regulation 49/2018 on renewables net metering             | 
                                                                                                        
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             | 
                                                                                                        Indonesia             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Directive on the promotion of the use of energy from renewable sources             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        European Union             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Energy and mineral resource renewable target             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Indonesia             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Public Policy for the Promotion of Distributed Generation             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Mexico             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Offshore Renewable Energy Development Plan             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Ireland             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Act on the Promotion of Electricity from High-Efficiency Cogeneration             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Poland             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | National Electricity Plan             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        India             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Strategic electricity interties             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Canada             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | 5th Strategic Energy Plan             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Japan             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Regulations Amending the Reduction of Carbon Dioxide Emissions from Coal-fired Generation of Electricity Regulations: SOR             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Canada             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Alternative Energy Development Plan and Power Development Plan             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Thailand             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Coal Phase-out             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Canada             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Act of Promoting Utilization of Sea Areas in Development of Power Generation Facilities Using Maritime Renewable Energy Resources             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Japan             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Act of June 7, 2018 amending the Act on Renewable Energy Sources and some other acts             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Poland             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Underwriting New Generation Investment Scheme             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Australia             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Hydrogen Deployment Plan for the Energy Transition             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        France             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Batteries from Finland             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Finland             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | Promoting renewable energy (electricity)             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        Finland             | 
                                                                                                        2018             | 
                  
              
                                                                                                        | ELAN Law and Decree on Housing             | 
                                                                                                        
             | 
                                                                                                        
             | 
                                                                                                        France             | 
                                                                                                        2018             |