I did some plausibility calculations for Rossis 1 MW plant.

Thermal Energy of saturated steam @1bar, @100 centigrade = 2675 J/g (taken from an industrial steam table)
10^6 J*s^-1 / 2675 (J/g) = 374 g/s.
Volume of steam = 1.7l / g
So steamflow = 636 l/s = 636 cm^3 / s

If the crosssectional area of the output pipe is 10^2 cm, then the steam speed is 6.36 m/s.

If the COP is 6 then the input power = 167 kW.
At 380 Volt the current is 439 Amperes.

I think they use 380 V 3-phase current  in industry in US.
The single phase voltage against the neutral zero conductor is 230V in this case.
(I dont know the precise english words for this. Hope it is understandable)

So this all sounds reasonable.

I post this as is, you may use it or check for errors ;-)

Best wishes,
Peter

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