Solar energy sources

PV solar power - Era-Energy has started to present local, national and global companies developing, exploring and promoting renewable energy sources. More »

The Earth energy and the beauty

The Earth energy sources - Earth’s energy comes from the original formation of the planet and from radioactive decay of minerals. The geothermal gradient, which is the difference in temperature between the core of the planet and its surface, drives a continuous conduction of thermal energy in the form of heat from the core to the surface. More »

The power of the water

Hydropower, hydroelectric power or water power is power that is derived from the force or energy of flowing or falling water, which may be harnessed for useful purposes. More »

The power of the wind

The wind power is the ability of air movement to do work. Today, wind energy turbines are used mainly for production of electricity. It is a clean and renewable energy source that can produce enough electricity to power huge areas. More »

The invisible power

The energy of the wind is invisible and so powerful that has allowed humans to exploit the surface of the planet long before the discovering of electricity. More »


Monthly Archives: November 2021

Renewable energy companies from Massachusetts listed here

Massachusetts has always been a leader in solar energy and community solar. The State authorities have committed to 100 percent renewable electricity by 2035, and 100 percent renewable energy by 2045, which is far more ambitious than the goals set by most of the other States. Here, on you can find a huge number of local renewable energy companies – developers, installers and others in Massachusetts and other states, as well as such with wider coverage listed at US National Renewable energy developers’ page.
Informed choice is the best possible and we are trying to give you information that will help you to make such choice. Renewable future is inevitable if we want to preserve life on our planet, and Era-Energy is trying to help us and help you.

Renewable energy companies in Illinois listed at

Era-Energy has started to present local, national and global companies developing, exploring and promoting renewable energy sources. Developers, installers and other renewable energy companies in Illinois – from small, family owned businesses, to bigger ones are listed on Illinois Renewable energy’s page, while at US National Renewable energy developers’ page you can find links to many larger companies that develop large-scale projects or have significant presence across the country or in more than 5 states.

The next steps for Illinois renewable energy policy are already marked, setting clear community goals for the nearest future of the state, so it is responsibility of each person to help to achieve established by the legislation clean energy goal of 100% by 2050.

The lists of companies delivering power decisions from renewable energy sources could help in many ways.