Advancements in forecasting have improved the reliability of day-ahead and hour-ahead estimates of wind generation. Wind never will behave like a base-load power plant. But as system operators integrate wind forecasts into their planning and market processes, they’re transforming intermittent wind energy into a variable but reliable resource.

T&D and Smart Grid

The ZigBee Alliance and the Wi-Fi Alliance entered an agreement to collaborate on wireless home area networks (HAN) for smart-grid applications. The initial focus of the collaboration will be ZigBeeSmart Energy Profile 2.0, which is the next-generation energy management protocol for smart grid-enabled homes based on today’s successful ZigBeeSmart Energy Profile. The ZigBeeSmart Energy Profile 2.0 is expected to be extended to operate over Wi-Fi technology as a result of the collaboration.

At a time when many states and municipalities are facing budget deficits of historic proportions, many power generators are struggling against declining demand, the lowest electricity prices in many years, and looming carbon legislation. As a result, tax authorities might be seeking to raise property tax receipts at the exact same time that many generators are looking to lower their assessments. Conflict appears to be on the horizon, but where will it emerge? An examination of state budgets, as well as the expected changes in generator gross margins, reveals how tax collectors and taxpayers are most likely to respond.

At what daily temperature do customers turn on their furnaces? Or more realistically, given individual behavior, over what range of temperatures do they turn on their furnaces? To estimate the current base for its customers, Columbia Gas of Ohio used daily demand and temperature data for the three-year period from April 2005 through March 2008.

U.S. power-plant construction tends to follow fads. Identifying these trends is easier than determining the primary drivers and issues that contributed to them. Understanding how these drivers affect power-planning decisions can help utilities predict generation-construction trends in the future and avoid getting caught in a group-think trap.

While the PJM Interconnection has made no major changes to its prototype capacity market since it proposed the idea a year ago in August, and though it has won a tacit OK from federal regulators for many of the plan’s key elements, don’t expect to see a slam dunk when the time comes for a final review of the controversial idea, known as the Reliability Pricing Model.

Transmission Upgrades:

How to allocate the costs.

Efforts to establish and quantify congestion-reduction and loss-reduction projects are progressing in electric markets with locational marginal price (LMP) regimes. The Path 15 upgrade approval by the California ISO two years ago was largely based upon its economic benefits. A draft report from the Electric Reliability Council of Texas (ERCOT), , states that ERCOT will consider transmission projects that are "economically justified by the reduction of congestion and losses."¹

Business & Money

Obtaining a position measurement in energy markets has become more complex and has increased financial risks for integrated utilities.

"What's your position?" The answer to that simple question in today's energy markets is anything but simple. In fact, answering this question may be the single most difficult challenge faced by a fully integrated energy firm in its efforts to manage risk.

Field Service Computers: Consider the Variables-and the Benefits

 

 

Communications platforms, ruggedness, software, and other factors all play a part in your purchase choice.

When a utility considers equipping its field service work force with computers, the decision-making process often starts with software-not with questions about the ruggedness of the utility's field device, or whether the company should go with a Panasonic or an Itronix laptop.