Category Archives: Electric Grid

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

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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

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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

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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

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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

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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

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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

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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

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Distributed Generation is destabilizing the Electric Grid

Electricity distribution is designed to flow one way from a centralized system to customers. But Distributed Generation (DG) from solar  PV and wind violates this. Impacts caused by high penetration levels of intermittent renewable DG can be complex and severe … Continue reading

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Tilting at Windmills, Spain’s disastrous attempt to replace fossil fuels with Solar Photovoltaics

Book review of “Spain’s Photovoltaic Revolution. The Energy Return on Investment”, by Pedro Prieto and Charles A.S. Hall. 2013.  Reviewed by Alice Friedemann, www.energyskeptic.com Olmedilla, Spain 60MW Solar Photovoltaic Power Plant. Source: SolarNovus Large Solar Installations around the world. Finally, … Continue reading

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