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Latest News From The T&D Industry

Wind Turbine Blade Recycling Gains Momentum in Iowa

Iowa, a leading state in wind energy production, is making significant strides in addressing the environmental challenge posed by decommissioned wind turbine blades. Traditionally, these blades—constructed from durable materials like fiberglass and resin—have been difficult to recycle, often ending up in landfills or incinerated. However, recent developments indicate a positive shift toward sustainable recycling practices.

The Challenge of Wind Turbine Blade Disposal

Wind turbine blades are designed for longevity and resilience, typically lasting around 20...

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Renewable Energy News

ES Foundry Opens Solar Factory in South Carolina

As the U.S. strives to strengthen its domestic renewable energy sector, ES Foundry, a new player in solar cell manufacturing, is helping to reshape the landscape. The company recently celebrated the grand opening of its cutting-edge facility in South Carolina, marking a significant step toward...

Utility News

BC Hydro Introduces 'Vehicle-to-Grid' Pilot Initiative

BC Hydro has unveiled an innovative pilot project designed to enable electric vehicles (EVs) to contribute electricity back to the power grid, effectively transforming these vehicles into mobile energy storage units. The utility company recently announced the successful trial of the...

Renewable Energy News

Solar for All Protected from Trump's IRA Rollback

In December 2024, the U.S. Environmental Protection Agency (EPA) announced that the $7 billion "Solar for All" program is set to begin implementation early next year. This initiative aims to install solar panels in nearly a million low-income households over the next five years, significantly...

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Renewable Energy News

Oregon Approves Major Solar and Storage Initiative

Oregon has recently given the green light to one of the largest solar and energy storage projects in the United States, marking a monumental step toward its renewable energy future. The project, known as the Sunstone Project, will feature a massive 1.2 gigawatts (GW) of solar capacity, along with...

Electrical Substations

RTU and HMI Redundancy in Electrical Substations

As the substation RTU takes on more applications, such as Human-Machine-Interface (HMI), alarm annunciation, math & logic and “relay communication processing”, its need for high availability increases. Anything that takes the RTU out of service – configuration change, firmware update, or component failure – means not only loss of SCADA but also loss of local visibility, loss of non-operational data and, in some applications, loss of local control. Redundancy can address the needs for higher availability. This paper reviews the latest designs for electrical substation RTU redundancy and details required new features, including:

• Current redundancy designs in substation automation
• Limitations of current implementations
• Suggested design philosophies for substation automation redundancy
• Review of desirable redundancy design features: Flexible SCADA interface, including intelligent buffering to prevent Event floods on switchover, selective reporting of Events and acceptance of controls by Standby, and multiple SCADA support
• Ability for the...

Electrical Substations Articles


Substation Automation

Substation Architecture Protection

Solving common mistakes in communications cabling for electrical utilities BY FRANK KODITEK, Belden Inc. In the energy industry, there are numerous types of cables in use for a wide variety of applications, from transporting high-voltage current for miles to providing power and data connectivity...
Physical Security & Monitoring

Critter Guard

Distinctly DifferentAccording to the American Public Power Association, squirrels are among the top causes of power outages across the United States. The Great Lakes region has squirrels as the #1 cause of sustained outages. And in many cases, bird related outages are at number two.Nobody likes to...