World Energy Investment 2024 INTERNATIONAL ENERGY AGENCY The IEA examines the full spectrum of energy IEA member countries: Spain issues including oil, gas and coal supply and Australia Sweden demand, renewable energy technologies, Austria Switzerland electricity markets, energy efficiency, access to energy, demand side management and much Belgium Republic of Türkiye more. Through its work, the IEA advocates Canada United Kingdom policies that will enhance the reliability, Czech Republic United States affor ...