The Enabling Energy Savings Innovations Act topped Utility Dive's most read list this week as President Barack Obama signed new legislative modifications into effect. Smart meters were still high on the menu this week as well, though, with DTE's decision to sue a couple over health complaints attracting a lot of attention.

Find out more about both of those stories, as well as Duke Energy's Arizona solar purchase and executive changes via the links below:

• Obama signs energy efficiency legislation—The legislation modifies the Enabling Energy Savings Innovations Act.
• DTE to sue couple who claim smart meters made them sick—The couple removed smart meters from two homes and replaced them with unauthorized meters.
• Duke purchases Arizona solar project—The project is expected to begin commercial operation in the next week.
• Almost 150,000 electric utility substations will be modernized by 2020—A new study estimates that the convergence of key technology developments will lead to the automation or modernization.
• Fourth Progress executive leaves Duke—Other changes include the reassignment of top executives.

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