Archive: Solar

Sempra Energy Exits U.S. Renewables Sector

Sempra Energy on April 22 marked its complete exit from the U.S. renewables business as it completed the sale of 724 MW of operating wind generation and battery assets to American Electric Power (AEP) for $1.05 billion.  The San Diego–headquartered utility holding company, which says it has the largest U.S. customer base, said the move […]

Generating a Winning Plan for Sustainability

Managing the power load of a Las Vegas casino might seem a daunting task. MGM Resorts International, which operates several iconic properties on the city’s famous strip along with other hospitality and entertainment venues worldwide, took matters into its own hands a few years ago as it tried to control its energy costs and also […]

Duke Energy Projects Lead Carolinas’ Solar Expansion

Duke Energy on April 17 announced it will develop six utility-scale solar power projects in North Carolina, among 14 solar projects chosen as part of the state’s Competitive Procurement of Renewable Energy (CPRE) program. The 14 projects—10 in North Carolina and four in South Carolina—could cost as much as $772.5 million to build according to […]

Storage ITC Bill Gains Key Industry Backers

Legislation recently introduced in the U.S. House that would expand the federal solar investment tax credit (ITC) to energy storage technologies has gained the backing of major trade groups  representing the solar, hydropower, and wind sectors. The Energy Storage Tax Incentive and Deployment Act (H.R. 2096), introduced on April 4 by Reps. Mike Doyle (D-Pa.), […]

POWER Notebook: New 1,600-MW Coal Plant in India; Low-Price Solar Deal in Idaho

Financing has reportedly been secured for a 1,600-MW coal-fired power plant in India’s eastern state of Jharkhand. Qatar’s Gulf Times newspaper reported April 6 that Power Finance Corp., a state-run lender in India, and its subsidiary REC approved a $1.5 billion loan for the project. The report said the new plant would be funded through loans […]

How the DOE Is Looking to Save Hydropower

The Department of Energy (DOE) unveiled a slate of measures to help U.S. hydropower thrive as costs for wind and solar plummet. Measures will include a roadmap to identify hydro’s value in a future grid, and a first-of-its-kind prize designed to encourage innovative and faster pumped storage construction techniques. In her opening speech at Waterpower […]

FPL Will Build World’s Largest Battery Storage System

Florida Power and Light Co. (FPL) has been building new solar farms and bringing gigawatts of new natural gas-fired generation capacity online in recent years. Now the utility has announced what it calls the world’s largest solar-powered battery storage system. FPL on March 28 said the Manatee Energy Storage Center, a 409-MW/900-MWh battery storage facility, […]

What Are Supercritical CO2 Power Cycles?

While conventional power plant cycles produce power from turbines using water or steam as the working fluid, supercritical carbon dioxide (sCO2) cycles use CO2 that is in a supercritical state—at a temperature and pressure above its critical point where liquid and gas phases are not distinguishable.  CO2 has a relatively low critical pressure of 7.4 megapascal […]