Archive for the ‘Utilities’ Category

IEEE Spectrum Webcast: Enabling Electronics for Smart Grid Technologies & Beyond

Tuesday, November 10th, 2009

IEEE is sponsoring a series of forums on emerging technologies. The first event is on the smart grid, which takes place at the Computer History Museum, Santa Clara, CA on Monday, 30 November 2009 from 5:00 PM PT – 7:30 PM PT but will also be webcast here.

From the announcement:

The Edison Electric Institute estimates that in the next five to six years, close to 60 million smart meters will be installed in the United States. Most of the country’s largest and best-known electricity distributors will be giving their customers a tool that they can use to conserve energy and save money—and that the companies themselves can use to improve reliability, maintenance, and book-keeping. The data requirements associated with the smart grid roll-out will be prodigious and a new business opportunity for semiconductor companies and the companies which partner with them.

But what are those opportunities exactly, and what engineering challenges must be met to seize the day successfully? Specifically, how do power system data differ from (say) travel, sales, or traffic data? What about storage and data security requirements? Are there processing problems that are essentially different from those encountered in other kinds of large, complex systems?

Moderator:
Bill Sweet, senior editor IEEE Spectrum magazine & IEEE Spectrum’s Energywise newsletter

Speakers:
Dean Samara-Rubio, Intel Corporation, Architecture & Strategy, Intel Open Energy Initiative
Farrokh Albuyeh, Ph.D., Open Access Technology International Vice President, Market Services & Consulting www.oati.com
Shmuel Shaffer, Ph. D., Senior Director -Smart Grid, Cisco
Chris Knudsen, Director of the Technology Innovation Center at Pacific Gas & Electric Company

Share with the World:
  • Digg
  • del.icio.us
  • Facebook
  • Google Bookmarks
  • FriendFeed
  • StumbleUpon
  • Twitter
  • Technorati
  • email
  • Netvibes
  • Slashdot
  • SphereIt

Where Does Our Water Go?

Tuesday, August 18th, 2009

fig01-stackedbar.gif

The United States Geological Survey (USGS) found that the thermoelectric generating industry is the largest user of the nation’s water resources, accounting for nearly half (48%) of total water use in the US (this includes both fresh and saline water) [1]. Agriculture (including livestock) is second at 35%, the public water supply is third at 11%, followed by the industrial sector at 5% (four other categories consume around ~1% each).

Agriculture is the largest user of fresh water, accounting for 41% of all freshwater withdrawals in the US (thermoelectric is second accounting for 39%). Salinated water (salt water) cannot be used in agriculture because crops do not tolerate high salinity content and livestock that consume water with high salt content can become sick (e.g., develop digestive disorders) [2].

In terms of the public water supply (which is treated water), the residential sector is the largest user at (56%), followed by commercial (17%), and industrial (15%) [3]. Officially, public water supply is, “water withdrawn by public and private water suppliers that furnish water to at least 25 people or have a minimum of 15 connections.” So, note that this does not include private wells (e.g., homes in rural areas).

publicsupplywateruse.png

[1] USGS, Estimated Use of Water in the United States in 2000, USGS Circular 1268, March 2003
[2] The Energy Lab, Produced Water Management Technology Descriptions
[3] USGS Geological Survey report by Solley et al., 1995

Share with the World:
  • Digg
  • del.icio.us
  • Facebook
  • Google Bookmarks
  • FriendFeed
  • StumbleUpon
  • Twitter
  • Technorati
  • email
  • Netvibes
  • Slashdot
  • SphereIt

Why Wasting Water Is So Damn Cheap

Monday, August 10th, 2009

oakland.png

In the July/August 2009 issue of Mother Jones magazine there is an article entitled Why Wasting Water Is So Damn Cheap. It walks through the East Bay’s struggle with drought and its attempts to reduce consumption by ordering most of its residential customers to slash their water use by nearly one-fifth—regardless of how much they were previously using. One problem with this, as the article points out, is it unfairly targets users who were already conservative. Some highlights from the article (my headings):

Tiered Pricing

Composed of dense coastal cities, such as Berkeley and Oakland, as well as sprawling inland suburbs, San Francisco’s East Bay is one of the state’s most balkanized water districts. Typically, 25 percent of the East Bay’s inhabitants suck down 60 percent of its residential water. For this, they are charged as much as 50 percent more per gallon than the most efficient users. During the recent drought they were asked to use 20 percent less and got a rate increase along with everyone else.

Breaking the addiction to cheap water can be tough. Less than half of California’s water districts use tiered pricing. During the last big drought, in 1991, when EBMUD hiked its rates for customers who used more than 250 gallons per day, irate homeowners refused to pay their bills and four inland suburbs sued. The utility relented. “One part of the district was subsidizing another, and fundamentally that’s not fair,” says John Coleman, vice president of the EBMUD board, sounding like a ticked-off conservationist—except that he’s defending the users who couldn’t bear to see their lawns die.

There is No Water Shortage

“There is no water shortage,” says David Zetland, a water policy researcher at the University of California-Berkeley. “We’re just doing the worst job in the world trying to allocate it. If you go down to a bar and Corona costs 12 cents a bottle, you’re gonna run out of Corona. And that’s the problem with water: It’s just too damn cheap to care about.” Even in Southern California’s Irvine Ranch Water District, which sells water to its most frugal customers at below cost but slaps an additional 840 percent charge on the biggest users, 200 gallons at the top rate still cost less than a Frappuccino.

Share with the World:
  • Digg
  • del.icio.us
  • Facebook
  • Google Bookmarks
  • FriendFeed
  • StumbleUpon
  • Twitter
  • Technorati
  • email
  • Netvibes
  • Slashdot
  • SphereIt

Hara, Software Solution to Manage & Track Natural Resources

Thursday, June 4th, 2009

hara.png

Hara has developed a corporate application that can track natural resource inputs-fossil fuels, water, electricity, industrial chemicals, mercury, fuel consumed in travel-and waste products and then provide recommendations to optimize operations, according to CEO Amit Chatterjee. The primary target customers will be municipalities, large energy consumers, and companies with extensive supply chain networks.

From Greentech Media:

Coca-Cola has tested out the software in over 12 locations and is now “in the process of full deployment,” he said. It’s a somewhat unusual victory: it can often take years to land a name account in enterprise software.

The city of Palo Alto has also been using the software. It expects to save $2.2 million in energy and $400,000 in waste and wastewater treatment costs annually. The software effectively paid for itself in three months. Kleiner, Perkins put $6 million into the company.

The software in many ways seemed targeted at tying together various loose ends in the green software market. A raft of companies have released dashboards in the past few years that track direct and indirect emissions or carbon credits while others have examined output from alternative energy sources.

The idea behind Hara is to give a comprehensive view of the “organizational metabolism,” Chatterjee said. If a company is mostly concerned about reducing energy costs, or water consumption, the remedial recommendations will be skewed toward the desired result or a blend of goals.

Share with the World:
  • Digg
  • del.icio.us
  • Facebook
  • Google Bookmarks
  • FriendFeed
  • StumbleUpon
  • Twitter
  • Technorati
  • email
  • Netvibes
  • Slashdot
  • SphereIt

CA Considers Rationing Water

Monday, May 4th, 2009

drought-pix.jpg

I had this flagged to post back in February when it first occurred but didn’t have a chance to write it up until now. According to the AP, “California Governor Arnold Schwarzenegger declared a state emergency due to drought and said he would consider mandatory rationing in the face of nearly $3 billion in economic losses this year.” This article also mentions that Schwarzenegger asked urban users to cut water consumption by 20 percent and for state agencies to implement a water reduction plan.

The Federal government is now involved. Interior Secretary Ken Salazar and Agriculture Secretary Tom Vilsack created a Federal Drought Action Team that will be working with California (press release available here). See also California’s Snowpack Problem in The New Republic.

Share with the World:
  • Digg
  • del.icio.us
  • Facebook
  • Google Bookmarks
  • FriendFeed
  • StumbleUpon
  • Twitter
  • Technorati
  • email
  • Netvibes
  • Slashdot
  • SphereIt