by Graham Palmer | Mar 22, 2017 | EROI
EROI of the Australian electricity supply industry I recently did a presentation on the EROI of the Australian electricity supply industry. The key aims were – Calculate how much energy it takes to build, run and maintain the Australian electricity supply...
by Graham Palmer | Mar 19, 2017 | Electricity, Pumped hydro storage
A pumped hydro primer Nearly all electrical storage to date has been pumped hydro storage (PHS), which makes up 97% or 142 GW of global power capacity for electrical storage. The three leading PHS countries are Japan with 26 GW, China at 24 GW and the US at 22 GW. The...
by Graham Palmer | Jan 22, 2017 | Coal
The social licence of coal I’m (just) old enough to remember the Australian nuclear disarmament (and associated opposition to nuclear power) rallies from the 1970s, the fervent opposition to the Newport gas-fired power plant in Melbourne, Tasmanian dams protests of...
by Graham Palmer | Jan 14, 2017 | EROI
Ferroni and Hopkirk revisited Ferroni and Hopkirk published a paper last year titled ‘Energy Return on Energy Invested (ERoEI) for photovoltaic solar systems in regions of moderate insolation’. They concluded that the EROI of solar PV in Switzerland was below 1:1, or...
by Graham Palmer | Dec 29, 2016 | Oil
The oil-gold nexus Crude oil has a unique status in global energy markets and underpins global economic activity. Since the 1970s, it has taken on a role as a quasi-monetary commodity. By the end of World War II, the US held around 70 percent of global gold reserves....
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