Friday 22 March 2013

Brewster wallpaper


Source(google.com.pk)
Brewster wallpaper Biography
That challenge is diminishing over time, thanks to a proven track record and mounting success stories. A customer base of about 100 grid operators and utilities that spans three countries (the United States, Canada and England) doesn’t hurt either, especially when it includes such heavy-hitters as ISO New England, New York ISO and PJM Interconnection, as well as Pacific Gas and Electric Company, Salt River Project and Southern California Edison Company.

Last year EnerNOC signed its biggest industry contract ever with the Tennessee Valley Authority.

“Most people look at TVA as a pretty risk-averse, low-cost electricity territory, so I think it raised a lot of eyebrows when the industry saw TVA sign a 560-megawatt contract with EnerNOC to deploy demand response,” said Brewster.

If signing up utilities can be challenging, finding end-user sites is a “no-brainer.” The reason is simple: the utilities pay EnerNOC to be a resource and to reduce demand, and EnerNOC shares those payments with its endusers.

When signing up those endusers, EnerNOC looks for industrial, commercial and institutional heavyweights who typically draw a lot of energy. Simulating a power plant and building capacity require a lot of negawatts. And so size is the common denominator among its diverse list of customers who include well-known brands (AT&T, General Electric, Pfizer, Albertson’s, Shop Rite, Stop & Shop), hospitals (Stamford Hospital, Greenwich Hospital, UMass Memorial Health Care), universities (University of San Diego), and governments (Maine, Vermont, Boston, Connecticut), among many others. Take Connecticut’s heft, for example. The state’s 700 megawatts of demand response capacity within a 7,000-megawatt system peak mean that within minutes of notice, about 10 percent of the system’s demand can be made to disappear.

Paying end-users to be smarter about electricity use while helping them save on energy costs is a big selling point for EnerNOC, Brewster says, but the benefits do not stop there.

Unlocking a Powerful Data Stream
EnerNOC’s home page keeps a running tally of the dollars it has helped its customers save. At the time this magazine went to print, those savings altogether had reached $320 million and counting. Demand response is responsible for a big chunk of those savings, and what allows for the rest is the technology behind demand response.

That technology, the EnerNOC Site Server, is housed in an unassuming cabinet at the customer’s site that easily blends into boxes typical of an electric room. But the information it holds is anything but typical of what’s available to the average American corporation.

The box is the gateway connection between the site’s energy resources and EnerNOC; it reads and records a host of detailed energy information, from voltage and current to power levels and power quality, and sends all that data to EnerNOC’s control room, where, says Brewster, “our special sauce is located—the software to manage thousands of distributed energy resources and to do it in a centralized, secure fashion.”

While the software allows for near-immediate, sometimes even automated energy curtailment, its powerful data stream unlocks a world of information to end-users. Suddenly, says Brewster, these sophisticated commercial office properties, industrial facilities and universities, who are used to getting their bills 30 days after the fact and not understanding the line items on them, are seeing real-time energy data. They can log in and see minute by minute exactly how much energy they’re consuming, why and where. And that can be ground-shifting.

Says Brewster, “That then opens their eyes to, ‘hey, why am I getting a peak demand at 6:00 in the morning? It’s because I come in and turn on all my chillers at the same time. Or how much is this actually costing me. Or, you know what, I’m finding out that our chess club is coming into this building and turning on the lights and then leaving them running, and so we’re wasting all this electricity.’ So we start driving energy efficiency and getting customers much more attuned about how they consume electricity.”

With this valuable data in hand, EnerNOC can then work with their customers to reduce energy consumption all the time (not just during peak periods), to monitor and start reducing greenhouse gas emissions and to help them consider and go about procuring renewables.

“Our vision is to be not a one-trick pony,” says Brewster. “Our trick is to become an overall total energy management partner for these commercial and industrial facilities, so we’re helping them think about all their energy decision-making.”

Paving the Way to a Clean Energy Future
Brewster has seen the future of energy and it is clean and bright. It is monitored and metered. It is dispatchable and digital. It is interconnected and smart.

It is slowly starting to roll out.

“In the smart grid,” says Brewster, “there’s going to be the infrastructure layer, all these meters and the copper and the sensors.  And then there’s going to be the application layers, the analytics driving energy efficiency with the data.  And we are very much in the application layer.”

EnerNOC is to the smart grid what applications like eBay, Google and Yahoo are to the hardware network of switches and routers and fiber known as the Internet.

It’s not a far cry from what Brewster and Healy originally had in mind but it’s a different model.

“Our initial vision was that we were going to build the data communications network to link together all these distributed generation assets, these fuel cells and micro-turbines, and we were going to do the remote diagnostics and the metering and verification work,” says Brewster, who adds that in that vision, the customer would have had to pay them.

“On further investigation over the course of a year or so, we came upon the concept of demand response,” Brewster continues, explaining, “We could do everything we were thinking of doing, but we could do it behind a meter.  We didn’t need to interconnect to the grid, we could actually not only use distributed generation, but we could actually do curtailment of demand, energy efficiency, and get paid as if we were selling power back to the grid.“

Before building his virtual power plant, Brewster studied the economics and policy of energy at Duke’s Nicholas School — a “great building block” for his work now, he says, in which a core focus is government and regulatory affairs. (Brewster is now a member of the Nicholas School’s Board of Visitors.)

“I think Duke is just so well positioned for building energy leaders of the future,” he says, “because it has such good undergraduate and graduate programs in the environment, in business, in policy and also in engineering, which are sort of the four pillars of the industry. And there’s such good cross-pollinization and ability to take classes across those institutions.“

Brewster, who as EnerNOC’s president approaches the business from an environmental angle, met CEO Healy, whose approach is more entrepreneurial, at Dartmouth’s Tuck School, where they both received their MBA.

In the decade since the two men took their company from a limited liability company to a corporation traded on the NASDAQ, Brewster and Healy have built up a network of some 8,000 sites and a demand capacity of five gigawatts—the equivalent of several large nuclear power stations.

The idea, says Brewster, is to keep growing their network of virtual power plants—adding more negawatts to the grid, cutting costs and reducing emissions, and ultimately fashioning, he hopes, the “killer app“ of the smart grid.
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