Well, there is a kind-of-joke that commercially-available fusion energy is perpetually described as "30 years away". It always appears to be stuck at least a generation away... hopefully someone finds a breakthrough.
To put this in context, even the international ITER project is 'experimental' (with a budget of € 15 billion, expected to be switched on in 2019), and is expected to be followed up with a demonstration plant in 2040...
To put this in context, even the international ITER project is 'experimental' (with a budget of € 15 billion, expected to be switched on in 2019), and is expected to be followed up with a demonstration plant in 2040...