Paracell Electric Paramotor Company have been quietly working away on their projects and have produced a good range of electric paramotor and electric trike options.
A neat unit that incorporates a belt reduction system to a fan cooled motor.
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Claiming up to 64kg thrust and up to 70 mins flying on the ppg & up to 1 hour and 40 minutes flying time on the trike model with higher battery capacity.
http://paragliderelectric.com < spanish or here for google english
Electric Paramotor News
Slightly cheaper than the previously mentioned Turnigy CA120-70 brushless motor $450 at this time of writing. The new RotoMax 100cc is $333 from hobbyking.
Battery: 12 Cell / 44.4V
Max current: 170A
No load current: 44V/4.5A
Internal resistance: 0.021 ohm
Diameter of shaft: 10mm
Suggested ESC: 250A 12S Compatible
Suggested Prop: 27×12