History of engineering & technology P2P electricity market P2P energy trading Technology: general issues artificial market simulation balancing power market bidding agent bidding strategy blockchain cashflow management of electricity businesses cooperative mechanism cyclic cubic spline day-ahead market demonstration experiment digital grid distributed energy resources distributed energy resources (DER) electric vehicle electric vehicles electricity derivatives and forwards electricity load electricity markets electricity price electricity price forecasting empirical simulations functional autoregressive model functional final prediction error (FFPE) functional principle component analysis hardware control home energy management systems