OBS Cetelem：2024年生活环境报告之能源改造报告（英文版）

Quantitative consumer interviews were conducted by Harris Interactive in March 2024 in 8 countries: Belgium, France, Germany, Italy, Poland, Portugal, Spain and United Kingdom. In total, 13,000 individuals were interviewed online (CAWI method). These individuals, aged 18 to 65, were drawn from national samples representative of each country. The quota method was employed to ensure that the sample was representative (gender and age). 3,000 interviews were conducted in France and 1,500 in each