market collapse of 2008. We believe that Energy Return On Investment (EROI) analysis provides a useful approach for examining … unable to do. The goal of this paper is to review the application of EROI theory to both natural and economic realms, and to … assess preliminarily the minimum EROI that a society must attain from its energy exploitation to support continued economic …

the energy return on investment (EROI) for all Canadian oil and gas (including tar sands) over the period 1990–2008, and … increased about 63%, while the energy production (return) increased only 18%, resulting in a decrease in total EROI from roughly … 16:1 to 11:1. We also found (although with less certainty) that the EROI for tar sands alone has fluctuated around 4 …

energy invested (EROI). Unfortunately most of the data kept on costs of oil and gas operations are in monetary, not energy … transactions from those few nations that keep both sets of data. We provide a preliminary assessment of EROI for the world’s most … that EROI at the wellhead was roughly 26:1 in 1992, increased to 35:1 in 1999, and then decreased to 18:1 in 2006. These …

attitudes towards coal to liquids (CTL) technology. Energy return on investment (EROI) analysis of CTL could provide new … analyses the EROI of China’s Shenhua Group Direct Coal Liquefaction (DCL) project, currently the only DCL commercial project in … the world. The inclusion or omission of internal energy and by-products is controversial. The results show that the EROI …

This study examines fuel switching in electricity production following the introduction of the European Union … examines 12 European countries using monthly data on fuel use, prices, and electricity generation during the first phase of the …

California economy. A baseline scenario in which California relies on imported electricity to meet future demand is then compared …

overcome this problem, generators are used in self-generation of energy, but this leads to an increase of electricity …-related expenses. This article assesses the impact of electricity self-generation on Cameroonian industrial companies. The model … electricity in industrial companies in Cameroon have increased five times due to electricity rationing and untimely power cuts …

As part of its climate strategy, the EU aims at increasing the share of electricity from renewable energy sources (RES …-E) in overall electricity generation. Attaining this target poses a considerable challenge as the electricity sector is … “locked” into a carbon-intensive system, which hampers the adoption of RES-E technologies. Electricity generation …

/support schemes: a constant feed-in tariff, a premium on top of the electricity market price (either a fixed premium or a variable … electricity with ever longer maturities enable market-based valuations to be undertaken. The model considers up to three sources … of uncertainty: the electricity price, the level of wind generation, and the certificate (ROC) price where appropriate …

Transmission investments are currently needed to meet an increasing electricity demand, to address security of supply …