Sustainability and energy transition blog

Renewable Energies

Wind heating in cold climates: does it really work in winter?

Current equipment maintains an efficiency (COP) of 3-5 even at sub-zero temperatures, which allows savings of up to 70% compared to gas or oil boilers. To optimize it in winter, good insulation, buffer tanks and, in very cold areas, a combination with solar panels or hybrid systems are recommended.

Electric mobility

Maintenance and storage

Mantenimiento y almacenamiento

Recycling of solar panels in Girona

In Girona, solar panels must be recycled at municipal clean points or through authorized waste management companies. If you replace your installation, the installation company is obliged by law to remove and recycle the old panels. About 90% of the materials (glass, aluminum, silicon and metals) can be recovered and reused.

Grants and regulations

Taxation of leasing land for solar farms

Renting a plot of land for a solar farm in Girona is taxed as real estate capital if you only lease the land, while if you decide to exploit the plant yourself, the income is considered economic activity. In both cases, you must charge VAT on the invoices and be registered in the census of entrepreneurs, although you will normally

Instal·lació per autoconsum entregada a Novotipo, Portugal

Can you be fined for installing solar panels without permits?

Yes, installing solar panels without requesting a building permit or complying with the regulations can result in fines ranging from 300 € to 6,000 €, in addition to the obligation to dismantle the installation, lose subsidies or not be able to compensate surpluses.

Energy Communities Regulations

regulations of energy communities in Spain and Europe: what laws regulate them, what figures exist (RECs and PPAs) and how they benefit citizens and municipalities.