Offshore Wind Projects Receive Boost from Massachusetts and Biden Administration

LCG, March 31, 2021--The Governor of Massachusetts signed legislation last Friday that authorizes the state to direct utilities to purchase an additional 2,400 MW of offshore wind energy by 2027.

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NV Energy's Greenlink Nevada Transmission Project Approved by PUCN

LCG, March 25, 2021--The Public Utilities Commission of Nevada (PUCN) on Monday approved proceeding with NV Energy's Greenlink Nevada transmission and renewable energy initiative. NV Energy's planned investment in Greenlink is over $2.5 billion.

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Industry News

Correction: San Francisco May Invest In Tidal Power

In yesterday's edition, the generating capacity of a possible tidal-based source of power for San Francisco was put at 2,000 megawatts. The true potential capacity is approximately 1,000 megawatts. While the cost of $2 million stated would be for a pilot project, a full installation is estimated to cost $600 million. The Board of Supervisors approved a pilot study yesterday. The study will likely require two years to complete. We regret the errors.

LCG, May 6, 2003The Board of Supervisors for the City of San Francisco is discussing the installation of tidal power generation in the Golden Gate.

Californias Golden Gate, or the mouth of the San Francisco Bay, sees considerable tidal current pass through it, estimated at an energy potential of 1,000 megawatts. San Francisco typically requires up to 860 megawatts of peak power.

A British-developed tidal power system, consisting of underwater turbines, might be tested if San Franciscos Department of the Environment has its way. HydroVenturi developed the system in question, and the project has been tentatively estimated to cost $600 million. A pilot project would cost $2 million. The company says its design avoids harming wildlife in its turbines, unlike other tidal generation plans criticized for being environmentally unsound.

HydroVenturis system uses the phenomenon known as the Bernoulli effect. When a fluid in a system increases in flow rate, the pressure of the faster moving fluid decreases with respect to slower moving fluid in the system. The companys generator takes advantage of this phenomenon by choking the flow of water through a variable width pipe in order to accelerate the fluid and then utilizing the subsequent pressure drop to drive turbines. These turbines can be located onshore, while the portion of generation submerged does not need any moving parts.

San Franciscos Board of Supervisors will vote today on whether or not to test the system.

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