The Economics of Electricity Sharing Decarbonising Czech Heating: Priorities, Challenges and Solutions Association of Municipalities Polish Network “Energie Cités” (PNEC) Frank Bold Society z.s. Sofia Energy Agency – SOFENA National Society of Conservationists – Friends of the Earth Hungary JustReno – Renovation for a Socially Just Decarbonisation of Buildings The Union of Employers – Manufacturers of Construction Materials The Association for Promoting Energy Efficiency in Buildings – ROENEF MEHI Hungarian Energy Efficiency Institute