Category Archives: Pumped Hydro Storage (PHS)

Utility scale energy storage limited by minerals and geography

Preface. Natural gas is finite, but aside from (pumped) hydropower, natural gas is the main way wind and solar are balanced now. Therefore, a tremendous amount of energy storage will be needed in the future as natural gas declines. The … Continue reading

Posted in Alternative Energy, Batteries, Battery - Utility Scale, CAES Compressed Air, Elements: Critical, Mining, Pumped Hydro Storage (PHS) | Tagged , , , , , | 18 Comments

Pumped Hydro Storage (PHS)

Preface. This is the only commercial way to store energy now (CAES hardly counts with just one plant and salt domes to put more in existing in only 5 states). Though of course hydropower is only in a few states … Continue reading

Posted in Dams, Energy Production, Hydropower, Pumped Hydro Storage (PHS) | Tagged , , , , | 15 Comments

Hydropower has a very low energy density

To store the energy contained in 1 gallon of gasoline requires over 55,000 gallons to be pumped up 726 feet (CCST 2012). As a thought experiment look at what it would take generate all of America’s 4,058 TWh electricity, where … Continue reading

Posted in Energy Storage, Hydropower, Pumped Hydro Storage (PHS) | Tagged , , , , | 1 Comment