This ratio is often referred to as the Energy Return on Investment (EROI or EROEI).

Minister: King, you see, we have a problem of energy return on investment.....

Minister: King, you see, we have a problem of energy return on investment…..

Energy return on investment (EROEI) is the ratio of energy delivered by an energy technology to the energy invested to set the technology up.

Any investment of your energy is risk that can leave you feeling naked and unarmed.

While this sounds like a plausible explanation, unfortunately, the EROI – Energy Returned On Investment of U.S. energy supply has been falling considerably since 2000.

Since its big energy saving week, why not look at changing to a cleaner energy provider.

Previously, the estimated ratios for energy return on investment (EROI) have favoured fossil fuels over renewable energy sources.

They refer to the concept of ‘Energy Return on Investment’ (EROI) as a key indicator of the shift into a new age of difficult energy.

To answer these questions, Prof. Jeanmart has been working for several years on return on energy investment.

They refer to the concept of “energy return on investment” (EROI) as a key indicator of the shift into a new age of difficult energy.

They refer to the concept of "energy return on investment" (EROI) as a key indicator of the shift into a new age of difficult energy.

It’s also true the other way around; we receive a “positive interest in our energy investment” when we uplift someone.

This is a huge energetic investment for a female, especially when considering that fathers do not provide care to their offspring.

Many people when looking at future oil supply concern themselves with the amount of reserves (or resources) remaining, or perhaps Energy Return on Energy Invested (EROEI).