In this thesis, an algorithm that calculates the hosting capacity of independent PV, or EV charger systems was created. The hosting capacity is based on slow voltage variations and voltage unbalances caused by worst case PV generation and EV charging scenarios. The algorithm was run for four different commercial and industrial networks, and a range of network impedances. The outcome of the algorithm resulted into two figures for each of the networks, representing the possible installed capacity of PV and EV charger systems, respectively.