Government spending on energy research and development, 2015-2025

Open

Energy patents by technology in the world, 2000-2023

Open

Number of grid technology start-ups founded, 2010-2025

Open

Energy patenting of the five countries with the most applications, plus Europe, 2015-2023

Open

Announced start years for electricity-generating fusion plants, 2025-2055

Open

Energy venture capital funding by technology area, 2010-2024

Open

Innovation timelines for selected energy technologies and artificial neural networks, 1875-2025

Open

Total funding for low-emissions energy demonstrations by sector and status, 2022-2035

Open

Energy patenting of the five countries with the most applications, 2015-2022

Open

Early- and growth-stage venture capital investment in energy start-ups, by technology area, 2010-2024

Open

IEA Member country public spending on energy R&D as a share of GDP, 1975-2023

Open

Global venture capital investment by start-up sector, 2015-2024

Open