primary energy

We need a much higher proportion of primary energy used.

Since 2007 used natural gas as their primary energy source for the plant's operation.

Levels of primary energy sources are the reserves in the ground.

National instruments and financial support should focus on primary energy savings.

Relative to the Earth, the positive and negative lines of primary energy are working in opposition.

The technology is used to reduce primary energy consumption for water heating.

These account for 63 per cent of the primary energy used in Sweden.

Primary energy sources in the late 1940s, for example, were domestic coal and charcoal.

In the same period primary energy use decreased 9%.

Other sectors, like transport and agriculture, amount to about 22% of primary energy available.

We must remember that we are looking for primary energy savings.

They require more primary energy for their manufacture than solid lumber.

The primary energy source of industrialised countries has always been fossil fuels.

Primary energy supply of Malta is exclusively based on oil.

According to the laws of thermodynamics, primary energy sources cannot be produced.

Because the country lacks natural resources, it must rely on imports for more than 80 percent of its primary energy needs.

It is "the primary energy of the will to live, the will to survive."

Both have in common that they are typically based on combustion of primary energy carriers.

For the Obatala child the expression and use of this primary energy is complex.

Less than 0.4 percent of Germany's total primary energy supply came from geothermal sources in 2004.

Fossil fuels also make up the bulk of the world's current primary energy sources.

The share of primary energy dedicated to electricity production is above 35%, and grew steadily since 1970s.

Buildings are responsible for 40% of the consumption of primary energy.

Coal was the primary energy source, accounting in 1985 for more than 70 percent of total fuel consumption.

Energy import was about three times the total primary energy supply in 2008.