Computer programs, recorded; data processing apparatus; computer software applications, downloadable; mobile phone application software, downloadable; counters; materials for electricity mains [wires, cables]; inverters [electricity]; transformers [electricity]; distribution boxes [electricity]; photovoltaic inverter; mobile power supply (rechargeable battery); battery charging device; charging devices for motor vehicles; batteries, electric; accumulators, electric; solar batteries; photovoltaic cells; solar panels for the production of electricity