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Category Archives: Grid instability
Can the lights be kept on with distributed generation? 2015 U.S. House hearing on a reliable electric system.
This is entirely testimony from corporate speakers. Congress often asks the National Academy of Sciences (NAS) to write unbiased papers on topics, so why don’t they invite NAS and National Laboratory scientists to speak? Corporations are selling a product, and … Continue reading
Posted in Distributed Generation, Energy Policy, Grid instability
Tagged decentralize, distributed, electric grid, generation, generator
Comments Off on Can the lights be kept on with distributed generation? 2015 U.S. House hearing on a reliable electric system.
Wanted: Math geniuses and power engineers to make a renewable grid possible
Figure 1. OPF solution of original seven-bus system with generator at bus 4 offering high [The U.S. electric grid produces over two-thirds of its power with finite fossil fuels, and another 20% from nuclear power. Since fossil fuels and uranium … Continue reading
Posted in Electric Grid, Grid instability, Renewable Integration, Smart Grid
Tagged electric grid, electricity, math, renewable integration, solar, stability, wind
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Why we need a diverse electricity generation portfolio: House hearing 2013
House 113-12. March 5, 2013. American Energy security and innovation. The role of a diverse electricity generation portfolio. House of Representatives. 135 pages. June 5, 2015. Proposed Clean Power Plan would accelerate renewable additions and coal plant retirements. U.S. Energy … Continue reading
Posted in Coal, Energy Independence, Grid instability, Natural Gas
Tagged diversity, electricity, new power plants
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Why the Grid is getting less reliable. House Hearing 2013.
House 113-40. May 9, 2013. Grid reliability challenges in a shifting energy resource landscape. U.S. House of Representatives. 176 pages. Mr. Jonathan A. Lesser, President Continental Economics, Inc. [This is a really good introduction to how the grid works and … Continue reading
Posted in Grid instability, Infrastructure, Renewable Integration
Comments Off on Why the Grid is getting less reliable. House Hearing 2013.
Blackstarting the grid after a power outage
Blackstarts Large blackouts can be particularly devastating and happen much more frequently than a normal distribution predicts. The impact of a blackout exponentially increases with the duration of the blackout, and the duration of restoration decreases exponentially with the availability … Continue reading
Posted in Grid instability
Tagged blackstart, power outage, restore power
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CSP with thermal energy storage is seasonal, so it can not balance variable power or contribute much power for half the year
Concentrated Solar Power not only needs lots of sunshine, but no humidity, clouds, dust, smog or or anything else that can scatter the sun’s rays. Above 35 degrees latitude north or south, the sun’s rays have to pass through too … Continue reading
Posted in Concentrated Solar Power, CSP with thermal energy storage, Grid instability, Seasonal Variation
Tagged balancing, CSP, electric grid, energy storage, seasonal, solar radiation
Comments Off on CSP with thermal energy storage is seasonal, so it can not balance variable power or contribute much power for half the year
Short-circuiting a solar boom in Japan
Spain is still feeling the painful effects of the costs of overbuilt solar PV, and now Japan is finding itself in the same position. This article does a lousy job of explaining that the grid must be in exact supply … Continue reading
Posted in Distributed Generation, Grid instability, Photovoltaic Solar, Renewable Integration
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Extreme Events. CEC 2011. Variable distributed generation from solar and wind increase the chance of large blackouts
Morgan, M., et al. (Pacific Northwest National Laboratory, University of Wisconsin-Madison, Electric Power Research Institute, BACV Solutions, Southern Company, CIEE, University of Alaska – Fairbanks, and KEMA). 2011. Extreme Events. California Energy Commission. Publication number: CEC-500- 2013-031. Figure 18: BLACKOUT … Continue reading
Posted in Distributed Generation, Grid instability
Tagged blackout, branching process, cascading failure, contingency, critical, critical corridors, earthquake, electric, extreme events, grid, heavy tail, outages, power, risk, WECC
Comments Off on Extreme Events. CEC 2011. Variable distributed generation from solar and wind increase the chance of large blackouts
Challenges to making California’s grid 33% renewables
Meier, A. May 2014. Challenges to the integration of renewable resources at high system penetration. California Energy Commission. Energy Research and Development Division FINAL PROJECT REPORT. California Energy Commission California Institute for Energy and Environment MAY 2014 Alexandra von Meier … Continue reading
Posted in Grid instability
Tagged california, grid, instability, intermittency, renewable, smart grid, solar, wind
Comments Off on Challenges to making California’s grid 33% renewables
