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Why Wind Farms Can Be Relied On For Almost Zero Power

November 17, 2014 by Robert Wilson
78

Wind Farms and Back Up

A common claim about wind farms is that every unit of installed wind capacity needs to be backed up by one unit of fossil fuel capacity. Some claim that wind farms do not reduce carbon emissions; while others tell us that wind farms do not need much back up in the first place. Both assertions are demonstrably false.[read more]

5 Reasons Virtual Net Metering is Better than Plain Old Net Metering

November 8, 2014 by EDF Energy Exchange
3

Net Metering Benefits

Several states have embraced net metering in order to encourage the adoption of solar energy and other distributed generation. Sometimes referred to as “running a meter backwards,” net metering allows people to generate their own electricity, export any excess electricity to the grid.[read more]

Spirae Launches the Operating System for Distributed Energy

November 7, 2014 by Jeff St. John

Distributed Energy Operating System

 

The grid edge is a wild and wooly frontier. Rooftop solar PV, behind-the-meter batteries, energy-smart buildings and other forms of distributed, customer-owned energy assets represent a significant problem for centrally controlled, one-way power grid operations.[read more]

The Newest Demand Response Participant: Electric Vehicles

November 2, 2014 by Sarah Battaglia
7

Electric Cars and Demand Response

Automobile manufacturers are working to develop a system that will integrate electric vehicles in demand response, a process where participants get paid to reduce electricity consumption for a set period of time so utilities are able to keep up with demand.[read more]

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Tea Party Organizer Debbie Dooley Taking Her Advocacy for Solar Energy and Against Utility Monopolies to Florida, Virginia, and Wisconsin

October 30, 2014 by Jim Pierobon
4

Solar Advocacy and Utility Challenges

 

When Debbie Dooley seized the mantle as solar energy’s newest and most vocal champion in Georgia last year, solar advocates in other states began wondering how they could replicate her efforts. Well they may have an answer as Dooley is testing the waters in Florida, Virginia and Wisconsin.[read more]

If You Could Build a Solar-Friendly Grid From Scratch, How Would You Do it?

October 27, 2014 by Stephen Lacey
3

The 20th-century electrical grid is a truly extraordinary feat of engineering and construction that has been a core driver of economic progress in many developed countries. But it's finally starting to show its limitations as we move into the 21st century.[read more]

Will the Solar Industry Get Behind CPS Energy's Alternative to Net Metering in San Antonio?

October 25, 2014 by Stephen Lacey
3

After two controversial attempts to change net metering policy in San Antonio, CPS Energy, the utility serving the city, thinks it has found a new incentive model for solar that local installers can support. CPS wants to overhaul solar support structures completely.[read more]

SolarCity, Nest to Energy Regulators: Open the Grid

October 23, 2014 by Jeff St. John
3

Rooftop solar, behind-the-meter batteries, smart thermostats, home automation. All are sources of energy, capacity, and reliability for the power grid. So say the engineers who’ve built them -- and so say the customers buying them. Now if only the regulators would move as fast as the engineers and customers.[read more]

Creating an Integrated Grid: Regulators, Legislators Can Help

September 28, 2014 by Chris King
1

Grid Integration and Regulation

Integrating more distributed power generation and energy storage can help make a grid more flexible, resilient, sustainable and environmentally friendly. But in the U.S., there's a catch -- so far, utilities here are effectively barred from owning generation and storage assets at the distribution level.[read more]

Renewable Integration Challenges Create Demand Response Opportunities

September 4, 2014 by Meredith Fowlie
3

Demand Response Opportunities

The power grid is getting greener. The power grid is also getting smarter. Some recent studies highlight some important complementarities between a greener grid and a smarter grid. Before connecting these dots, let’s first review the key operational challenges associated with increasing integration of renewables.[read more]

Building the Wind-Balancing Grid, One Island at a Time

June 23, 2014 by Jeff St. John
1

Wind-Balancing Grid Building

One of the great debates in the utility field is exactly how much intermittent wind and solar power is too much for the grid to handle, and what new technologies are needed to raise that ceiling. The smaller and more isolated the grid, the more quickly these once-theoretical barriers are being breached.[read more]

How to Really Disrupt the Retail Energy Market With Solar Energy

April 21, 2014 by Eric Wesoff
5

Solar Energy and Market Disruption

The U.S. Solar Energy market is still very concentrated, with the top seven states accounting for 88 percent of the market. But, with the exception of Hawaii, which remains an outlier in almost every case, even the top solar states, including California, satisfy very little of their overall load with PV.[read more]