S&P Global Market Intelligence presents the most read stories for the week ended May 24.

1. Coal frets over grid reliability, resilience as its customers embrace transition

As the U.S. coal fleet shrinks, stakeholders in the future of the fuel continue to push concerns about reliability and resilience of the nation's electricity grid.

2. National Grid says it will turn down NY gas customers unless pipeline is built

National Grid USA said it will not provide natural gas distribution service to new customers in Long Island and New York City service areas until New York state reconsiders the rejection of a permit for an expansion of the Transcontinental Gas Pipe Line Co. LLC system that would serve National Grid utilities.

3. Xcel to exit coal in Upper Midwest by 2030 amid 'massive growth in solar'

Xcel Energy Inc. plans to eliminate coal-fired generation from its Upper Midwest power mix by 2030 while adding at least 3,000 MW of solar power, expanding energy efficiency and purchasing an existing natural gas generator, according to a settlement agreement with clean energy and labor groups filed May 20 with the Minnesota Public Utilities Commission.

4. US Senate panel ponders fate of renewable energy tax credits

During a hearing in the U.S. Senate, lawmakers and industry members questioned whether the U.S. Congress should revive or extend certain renewable energy tax breaks as costs for the technology have fallen.

5. Total's purchase of Anadarko assets fits 'perfectly' with its strategy, CEO says

TOTAL SA's planned purchase of African assets from Anadarko Petroleum Corp. fits "exactly and perfectly" into the oil major's strategy to transform itself into a broader energy company, Total CEO Patrick Pouyanne said May 16 during an event in Washington, D.C.