The Covid-19 crisis not only delivered an unprecedented shock to the world economy. It also underscored the scale of the climate challenge we face: Even in the current deep recession, global carbon emissions remain unsustainable.
If the world is to meet energy security and climate goals, clean energy must be at the core of post-Covid-19 economic recovery efforts. Strong growth in wind and solar energy and in the use of electric cars gives us grounds for hope, as does the promise of emerging technologies like hydrogen and carbon capture. But the scale of the challenge means we cannot afford to exclude any available technologies, including nuclear power — the world’s second-largest source of low-carbon electricity after hydropower.
The power sector is the key to the clean energy transition. It is the single largest source of global emissions because most electricity is generated from fossil fuels. By significantly expanding the amount of electricity produced from low-carbon sources, we can help to reduce emissions not only from power generation, but also from sectors like transport, where low-carbon electricity can now fuel cars, trucks and buses.
This is a major undertaking. Low-carbon electricity generation will need to triple by 2040 to put the world on track to reach energy and climate goals. That is the equivalent of adding Japan’s entire power system to the global grid every year. It is very difficult to see how this can be done without a considerable contribution from nuclear power.
Nuclear power generated a near-record amount of electricity