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Category Archives: Energy
Smart Grid Challenges
Meier, A. May 2014. Challenges to the integration of renewable resources at high system penetration. California Energy Commission. A challenge to “smart grid” coordination is managing unprecedented amounts of data associated with an unprecedented number of decisions and control actions … Continue reading
Spain Wind Integration
2 articles below: [energyresources] Digest Number 8957 [altered slightly] Jan 14, 2015 papp20032000 Pedro Prieto In Spain we have this mix, as of the end of 2014: INSTALLED POWER MW % GWH % 19893 18.4 43191 16.7 … Continue reading
Posted in Renewable Integration
Tagged intermittent, renewable integration, spain, uncertain, variable, wind
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German wind integration
NREL. 2012. Integrating Variable Renewable Energy in Electric Power Markets: Best Practices from International Experience. National Renewable Energy Laboratory. Germany has developed a fund to encourage new fossil-fired power plants to use the most flexible technology available to maximize their … Continue reading
Electric grid large power transformers take up to 2 years to build
[Large power transformers are essential critical infrastructure to the electric grid, and are huge, weighing up to 820,000 pounds. If large power transformers are destroyed by a geomagnetic disturbance (GMD) electromagnetic pulse (EMP), cyber-attack, sabotage, severe weather, floods, or simply … Continue reading
Solar Thermal ESOI (Energy Stored on Invested)
Barton, N. April 17, 2013. ESOI for solar thermal. http://sunoba.blogspot.com/2013/04/esoi-for-solar-thermal.html Published information is available to evaluate the ESOI score for the most common solar thermal storage technology – a molten 60-40 mixture of sodium and potassium nitrates, commonly known as … Continue reading
Posted in Energy Storage, Solar Thermal
Tagged CSP, energy storage, ESOI, solar thermal
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Generating electricity with biomass at utility-scale in California limited to direct combustion in small 50 MW plants
CEC. 2014. Estimated cost of new renewable and fossil generation in California. California Energy Commission. CEC-200-2014-003-SD. 254 pages. CHAPTER 8: Biomass Technology Biomass technologies are plants that use biological resources, such as forestry waste or farming by-products, to produce electricity … Continue reading
Integrating renewable power research
Below are intermittent energy integration posts, workshops, and other research on this topic that aren’t integrated and summarized into a post yet. Savage, W. 2012. The Full Cost of Renewables: Managing Wind Integration Costs in California. Pomona Senior Theses. Paper … Continue reading
Posted in 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 Grid instability
Tagged blackout, branching process, cascading failure, contingency, critical, critical corridors, earthquake, electric, extreme events, grid, heavy tail, outages, power, risk, WECC
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Solar Photovoltaics (PV) limited by raw materials
This paper (excerpts below) shows that there are limits to growth — there simply aren’t enough minerals in the world that can be produced physically and/or at a reasonable cost for the most popular kinds of PV being made now. … Continue reading