The two tech giants are looking to a new generation of small modular reactors, while Microsoft has its own nuclear plans tied to the Three Mile Island plant.

Amazon Web Services to invest more than half a billion dollars in three projects --one in Washington State, one in Virginia and one in Pennsylvania.

The cloud computing and retail giant signed a deal to buy electricity generated by small modular nuclear reactors. Put Amazon on the list of big technology firms embracing new nuclear technologies to fuel their data centers.