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.

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.