Beacon Power patents idea of flywheels for frequency regulation?

Michael Giberson Can Beacon Power patent the idea of using flywheel technology for frequency regulation? Apparently the answer is yes, at least according to Beacon’s press release. “Beacon Power invented the idea of using high-energy flywheels to regulate grid frequency, so it’s appropriate that we’ve now been awarded a core patent for the idea,” said … More Beacon Power patents idea of flywheels for frequency regulation?