2014 closed with 177 GW of photovoltaic power installed worldwide. This year alone 38.7 GW were installed, confirming the trend of unstoppable growth in the last 10 years. To give us an idea, 38.7 GW is more than 120 million photovoltaic solar panels installed only in 2014. More than 300,000 photovoltaic panels are installed every […]
PWM or MPPT solar controller
It is the device found in every solar power system that ensures batteries can be load based on the power generated by photovoltaic solar panels. That is, it is connected between the solar panels and batteries and controls charging thereof. Therefore it is also called the solar controller or solar charger. In any installation containing […]
Which is better to rent or buy a solar installation
Trends in the photovoltaic solar system for large consumers Due to the boom that both options have experienced in recent times in the US, they were recently published two reports that address the appropriateness of one or other option for Users of a photovoltaic solar installation. First, explain what each option is based: Buy a […]
How a domestic solar power installation works
Learn easily how a solar kit works To understand how solar energy works as a domestic first explain traditional electrical installation works. In any of our houses in the city, the electric company gives us access to your mains, after passing through the meter for electricity supply us with very defined characteristics, AC power (AC) […]
How a solar water heater is made
We explain how it is one of the solar systems with better use of the sun A little history The solar water heater is one of the most primitive forms of exploitation of solar energy. Its use was first popularized in the ’20s and ’30s in South Miami, due to the high cost of heating […]
Secrets of Receipt of Electricity
What it was never told about the receipt of electricity The Spanish electricity system The Spanish electricity system, like any electrical system, is complex because nobody escapes us that electricity demand is variable. Our electricity consumption varies throughout the day, throughout the week and depending on the season … It even depends on whether it […]
Cheap solar panels, new facilities design rules
CHEAP SOLAR PANELS CHANGE THE RULES OF DESIGN OF FACILITIES IN COMMERCIAL ROOFING Optimizing a design of a photovoltaic installation for commercial roofs has changed significantly in recent years. When, 6 or 7 years ago, the price of the solar photovoltaic module was about 5 times higher than today, the design usually passed through maximizing […]
How to improve the energy efficiency of my home?
The Spanish housing suspended in Energy Efficiency. According to the Institute for Energy Diversification and Saving of Energy (IDAE) over 73% has a very low efficiency. The legislation implemented in recent years by European Directive obliges the housing since June 2013, to have an energy performance certificate. An energy rating that provides housing a label, […]
Make a solar panel is very expensive
How to make a solar panel is more expensive than buying If we seek to experiment with solar energy, we can serve as an experience to learn how a solar panel works. If we are looking to save money, as often happens in life, what you pay. If we analyze the various possibilities offered various […]