Concern is growing among US power market stakeholders in the PJM region that its capacity market model is not working effectively to ensure future reliability of supply. PJM’s capacity market model – the reliability pricing model (RPM) – was implemented in 2007 to create long-term price signals to attract much needed investments in reliability in the PJM region. However, there is a growing feeling that this model is not creating the right price signals, and calls are increasing for a redesign