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Electricity Grid

Texas Transmission Line Upgrades Slash Wind Curtailment

August 17, 2015 by Clayton Handleman

Texas and Wind Energy

During the period from 2009 to 2014 Texas wind generation increased by nearly 100%. During the same period, curtailment was slashed from 17% to 0.5%. This was made possible through grid upgrades in the Competitive Renewable Energy Zones.[read more]

India Issues Annual Targets for 100-Gigawatt Solar Mission

August 17, 2015 by Katherine Tweed
1

India Solar Targets

Can India install 5 gigawatts of rooftop solar by 2017? India has released a year-by-year roadmap for its aggressive solar target of 100 gigawatts by 2022. Rooftop solar is slated to account for 40 percent of the target, while larger grid-scale projects will make up the rest.[read more]

Texas Electric Grid Serves Record-High Power Demand

August 17, 2015 by U.S. EIA: Today in Energy

Texas Electrical Grid Reliability

During the recent heat wave in Texas, the Electricity Reliability Council of Texas (ERCOT), the operator of the electric grid covering most of the state, set a new record for electricity use when demand for electricity reached 69.8 gigawatts (GW) between 4:00 p.m. and 5:00 p.m. on August 10.[read more]

Renewable Microgrid Value Creation: A Real Estate Development Example

August 14, 2015 by Arnaud Henin
2

Microgrids, Renewables, and Real Estate

An interesting application of renewable microgrids is for enhancing value in real estate developments. There is increasing demand and interest in sustainable buildings, and real estate developers are exploring options on how to meet this demand and create additional value for their clients and themselves.[read more]

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Can Market Fixes Overcome the Declining Value of Wind and Solar at High Market Shares?

August 13, 2015 by Jesse Jenkins
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Electricity Markets and Renewable Energy

Ben Paulos says wind and solar energy "blow up" energy markets when they reach high market shares. But is this really a problem? Let's revisit the declining value of wind and solar at high penetration levels...[read more]

Japan Restarts First Nuclear Reactor Under New Safety Rules

August 12, 2015 by U.S. EIA: Today in Energy
3

Japan and Nuclear Energy

On August 11th, Kyushu Electric Power Company's 846 megawatt (MW) Sendai Nuclear Power Station Unit 1 became the first reactor to be restarted after nearly two years with no generation from any of the nuclear power plants in the entirety of Japan.[read more]

Why Are Taxpayer Dollars Still Being Used to Back Solar Loans?

August 12, 2015 by Katherine Tweed
1

Solar Energy and Solar Loans

Massachusetts just closed a comment period on the forthcoming $30 million Mass Solar Loan program. For at least one player in the solar market, the public comment period was a chance to ask why Massachusetts is spending taxpayer money to back solar loans for qualified individuals.[read more]

Clean Power Plan is the Story of the Week, with Reactions Mixed

August 10, 2015 by Lexie Briggs

Clean Power Plan and Public Opinion

The big news came early last week. Last Monday, President Obama announced the final version of the Clean Power Plan, the Environmental Protection Agency’s new rule regulating carbon dioxide emissions from power plants under section 111(d) of the Clean Air Act.[read more]

Europe Launches Offshore Wind Power Bonanza

August 10, 2015 by Katherine Tweed
6

Europe and Wind

Nearly 130 gigawatts of installed wind power accounted for more than 8 percent of Europe’s electricity demand in 2014. That figure might not seem particularly large, especially since renewable energy accounted for 78 percent of Germany’s power consumption one afternoon in late July.[read more]

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How Big of a Deal is the Clean Power Plan? Comparisons to Other U.S. Climate Policies

August 7, 2015 by Michael Craig

Clean Power Plan Policy Comparisons

As any regular reader of the Energy Collective knows, the U.S. Environmental Protection Agency released the final Clean Power Plan (CPP) on Monday. There’s been a debate over just how important the final CPP actually is and how it stacks up against prior actions taken by the U.S. to reduce CO2 emissions.[read more]

SoCal Edison Wants New Grid Batteries for 'Just-in-Time' Delivery

August 7, 2015 by Jeff St. John
2

Battery Delivery

Someday, grid batteries will come in standard packages, ready to be plugged in as fast as utilities can find places and use cases for them. At least, that’s how utility Southern California Edison would like its next round of energy storage systems to be delivered.[read more]

New NREL Data Suggests Wind Could Replace Coal as Nation’s Primary Generation Source

August 4, 2015 by Clayton Handleman
20

The National Renewable Energy Laboratory (NREL) recently released data showing that the Capacity Factor (CF) for wind power can reach 65% which is comparable to that of fossil fuel based generation. While the headlines aren’t as sexy as Tesla's 'Ludicrous mode,' the transformative implications for climate change dwarf Elon Musk's latest accomplishment.[read more]

Electricity from Natural Gas Surpasses Coal for First Time, but Just for One Month

August 4, 2015 by U.S. EIA: Today in Energy

Coal and Natural Gas

In April, U.S. generation of electricity fueled by natural gas exceeded coal-fired generation for the first time since the start of EIA's monthly generation data in 1973. However, EIA's latest Electric Power Monthly shows that coal's generation share once again exceeded that of natural gas during May.[read more]

More Details Emerge About How New York Regulators Plan to Restructure Utilities

August 3, 2015 by Katherine Tweed
1

New York and Energy Planning

New York electricity regulators released a white paper on ratemaking and utility business models to be considered as part of the state’s Reforming the Energy Vision initiative, which seeks to transform distribution utilities into energy platform providers, encourage distributed generation, and eliminate electricity peaks.[read more]

Are Small Changes Eating Away at Net Metering?

August 3, 2015 by Ivy Main
4

Net Metering and Policy Adjustments

Many owners of solar homes were surprised this spring to get letters in the mail from their utilities, informing them of pending changes in Virginia’s net metering rules. A late addition restricts the capacity of net-metered projects to just what is needed to meet the customer’s “expected annual energy consumption.[read more]