Saturday, June 20, 2009

Smart Grid Basics

The Twilight of the Electric Grid?

Image from "DOE Reports Paints Bleak Picture Of Our Electric Future," by John Timmer, Ars Technica, January 19, 2009. Timmer's Ars Technica article comments on the DOE Electricity Advisory Committee January 9, 2009 report,
"Keeping the Lights On in a New World."

The USA’s electrical transmission infrastructure consists of nine thousand two hundred (9,200) power plants including fossil fuel, nuclear, hydro, solar, geothermal, wind, and biofuel plants, and facilities that combine these power sources. Collectively, these plants have an electrical generating capacity of more than one million megawatts (1,000,000 MW). The power plants are connected to more than three hundred thousand (300,000) miles of transmission lines.

The USA's electrical transmission infrastructure has grown to its current size and complexity over the course of a century. Nonetheless, the USA electricity “grid” is outdated because it relies on obsolescent technology and contains vast inefficiencies that have accumulated during the course of its construction. Further, the “grid” was never designed for a future of lower carbon emissions and the newer technologies of high-speed computers, the Internet, clean energy power plants and distributed generation (DG).

The USA Department of Energy (DOE) is in charge of “…orchestrating the wholesale modernization of our nation’s electrical grid.” The DOE Office of Electricity Delivery and Energy Reliability formed a Smart Grid Task Force under the Energy Independence and Security Act of 2007. The Smart Grid Task Force is to lead the “grid” modernization effort.

DOE recently contracted with Litos Strategic Communication to produce the report, “The Smart Grid: An Introduction.”

According to the DOE, “It is the first book of its kind to explore – in layman’s terms – the nature, challenges, opportunities and necessity of Smart Grid implementation.”

On page 2 of “The Smart Grid: An Introduction,” the authors say:

“Our nation’s electric power infrastructure that has served us so well for so long – also known as “the grid” – is rapidly running up against its limitations. Our lights may be on, but systemically, the risks associated with relying on an often overtaxed grid grow in size, scale and complexity every day. From national challenges like power system security to those global in nature such as climate change, our near-term agenda is formidable. Some might even say history-making.”

The new report treats:
• the history of our existing national electrical grid
• what the Smart Grid is and what it is not
• comparing and contrasting the Smart Grid with existing systems
• what must be done first in creating the Smart Grid
• what the working platform of the Smart Grid looks like
• which Smart Grid efforts now being employed are succeeding
• what is the average person’s stake in the Smart Grid, and
• resources and glossary to help people learn the principles and language applied to the new technology.

The report provides fundamental information and resources for investigating our emerging new-technology electrical generation and transmission infrastructure. It is a guide to thinking about questions emerging in our national debate over our new energy economy:

How much electrical capacity do we now demand?

How much electrical capacity will we demand in the future?

How many new power plants and power lines will we build?

How many obsolescent technology power plants must we replace and how quickly?

Where is it appropriate to construct new power plants, transmission, and other "grid" infrastructure?

“Smart Grid” thinking, in fact, can defer the demand to spend billions of dollars on new electrical power transmission lines. A “Smart Grid” that operates with the flexibility available from modern computing technology provides huge opportunities for employing distributed clean energy power generation (DG). DG systems provide a very rapid installation, “plug-and-play” input to our national grid. DG systems produce electricity from many small energy sources, and electricity is generated very near where it is used.

On May 18, 2009 U.S. Secretary of Commerce Gary Locke and U.S. Secretary of Energy Steven Chu issued a Press Release announcing progress on the USA Smart Grid, and "significant steps in Smart Grid development." Secretaries Locke and Chu "...announced the first set of standards that are needed for the interoperability and security of the Smart Grid and $10 million in Recovery Act funds provided by the Energy Department to the Commerce Department’s National Institute of Standards and Technology to support the development of interoperability standards."

"Secretary Chu also announced that based on feedback from the public and Smart Grid stakeholders, the Department of Energy is increasing the maximum award available under the Recovery Act for Smart Grid programs. The maximum award available under the Smart Grid Investment Grant Program will be increased from $20 million to $200 million and for the Smart Grid Demonstration Projects from $40 million to $100 million. In making awards, DOE will ensure that funding is provided to a diversity of applications, including small projects as well as end-to-end larger projects."

You may offer your opinions on and applications for developing the USA's "Smart Grid" by tracking and responding to posts on the web site of the National Institute of Standards and Technology.