I argue the opposite, a steam turbine maxes out at about 37% efficiency.
The inefficiency and massive capital costs of of steam turbines is a major reason why natural gas is so much cheaper than coal or fission -- natgas uses a combined cycle turbine rather than a steam turbine.
The inefficiency and massive capital costs of of steam turbines is a major reason why natural gas is so much cheaper than coal or fission -- natgas uses a combined cycle turbine rather than a steam turbine.