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Tag Archives: energy storage
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
Renewables must help pay for transmission and their energy storage backup of fossil power plants
Preface. Wind and solar advocates don’t include transmission and backup costs in their net energy calculations. But without fossil backup, the electric grid will come down due to lack of storage. There is almost nowhere left to put pumped hydro … Continue reading
Posted in Electric Grid, Energy Storage, Solar, Solar EROI, Wind, Wind EROI
Tagged energy storage, fossil fuel backup, renewable, solar, wind
2 Comments
Natural Gas is essential for energy storage
Preface. In a 100% renewable energy storage system mainly dependent on wind and solar, there needs to be a tremendous amount of energy storage for up to six weeks when there is little wind or sunshine. The only storage now … Continue reading
Concentrated Solar Power is dying out in the U.S.
Preface. Concentrated Solar Power (CSP) contributes only 0.06 % of U.S. electricity, mainly in California (64 %) and Arizona (24 %) because extremely dry areas with no humidity, haze, or pollutants are required. Of the 1861 MW power they can … Continue reading
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 dams, energy storage, hydroelectric, PHS, Pumped hydro storage
15 Comments
54 Reasons why wind power can not replace fossil fuels
Preface. Electricity simply doesn’t substitute for all the uses of fossil fuels, so windmills will never be able to reproduce themselves from the energy they generate — they are simply not sustainable. Nor can electricity generate the high heat required … Continue reading
Posted in Alternative Energy, Energy, Wind
Tagged alternative energy, electric grid, energy storage, EROEI, EROI, national grid, seasonal, wind power, wind turbine
Comments Off on 54 Reasons why wind power can not replace fossil fuels
Challenges to the Integration of Renewable Resources at High System Penetration
Preface. This overview of challenges for wind and solar written in 2010 is still true today. We are far from being able to reach even a 50% renewable grid (excluding hydropower from the total) given the lack of storage, the … Continue reading
Posted in Electric Grid, Solar, Wind
Tagged electric grid, energy storage, forecasting, intermittence, smart grid, solar, wind
Comments Off on Challenges to the Integration of Renewable Resources at High System Penetration
Underground pumped hydro storage is the only technology capable of massive storage for renewable electricity
[ Picard concludes that “None of the candidate technologies for massive-scale renewable and sustainable generation of ‘‘green’’ electricity deliver it in a form suitable for high-efficiency storage. None of the prospectively-massive storage modes for transformed electricity is at present well … Continue reading
Posted in Electric Grid, Energy Storage, Grid instability, Hydropower, Renewable Integration
Tagged energy storage, intermittency
4 Comments
Wind and solar need natural gas to balance intermittent, variable, and seasonal power
[ The highest wind states are getting to be enormously dependent on natural gas to balance wind and solar as this EIA article about California below shows. Yet conventional natural gas has peaked — half our natural gas– and is … Continue reading
Posted in Natural Gas, Solar, Wind
Tagged energy storage, intermittent, natural gas, solar, wind
Comments Off on Wind and solar need natural gas to balance intermittent, variable, and seasonal power
How are energy storage batteries coming along? U.S. House hearing 2015
[ My favorite quotes from this U.S. House of Representatives session: THOMAS MASSIE, KENTUCKY. I want to say this has been a very enlightening hearing, and it confirms my personal experience, which is batteries are not sexy. Buckets of acid … Continue reading
Posted in Batteries, Energy Policy, Energy Storage
Tagged battery, energy storage
Comments Off on How are energy storage batteries coming along? U.S. House hearing 2015