From February 1, 2023, comes a new simplification for small photovoltaic systems. In fact, it will be possible to use the single model to install systems up to 200 kW (the limit is now set at 50 kW), thanks to the changes made to the Tica (Integrated Text of Active Connections) by Arera Resolution 674/2022, based on the indications of Energy Decree 17/22 (converted into Law 34/2022) and Interministerial Decree 297 of August 2, 2022.

The single model can be used not only to build, connect and commission new photovoltaic systems, but also to modify and upgrade existing ones, provided that the systems have these characteristics: constructed in accordance with Article 7-bis, paragraph 5, of Legislative Decree 28/11 on buildings, above-ground structures and artifacts other than buildings, as well as in their appurtenances; located at end customers already equipped with active points of withdrawal; for which, for the purpose of connection, interventions on the grid operator’s system are required that fall within the definition of simple works set forth in Article 1,paragraph 1. 1(u) of the Tica; for which energy withdrawal by the Gse is required.

In addition, the following constraints provided by the May 19, 2015 dm are eliminated:

not to exceed the power already available for withdrawal; to maintain the voltage level to which the end customer is connected; that there are no other production plants connected through the same connection point.

Another important aspect is that the simplification of the single model up to 200 kW also covers photovoltaic systems built in areas or properties that are restricted pursuant to Article 136, paragraph 1, letter c), of Legislative Decree 42/04, in the case where the photovoltaic panels are integrated into the roofs and not visible from outdoor public spaces and scenic viewpoints or in the case where the roofing coverings are made of materials from the local tradition.

In order to determine the rated power of the system up to the 200 kW threshold, the lower value between the sum of the individual rated powers of each photovoltaic module, forming part of the same photovoltaic system, measured under STC (Standard Test Condition) conditions, and the sum of the individual rated powers of the inverters, as defined by the relevant Cei standards, is to be taken as the reference. Thus, the reference to the nominal power intended as the value equal to the sum of the peak powers of the photovoltaic modules is superseded.

With more than 3,000 photovoltaic installations under its belt in Italy and abroad, STREAM takes care of every phase of implementation and supports the client from the initial stages of the project, both greenfield and in revamping operations.