Arizona Public Service’s proposed rate hike faced criticism this week, as the state utility regulator held a public hearing.

The Arizona Corporation Commission has voted 3-2 to revive discussions about how rooftop solar owners are compensated for excess energy, a contentious "zombie" issue often referred to as "the value of ...

Future rooftop solar customers of Tucson Electric Power and other Arizona utilities could find it harder to make their panels pencil out as state regulators look to revisit what utilities pay them for ...

Arizona Public Services customers, hold onto your wallets. The Arizona Corporation Commission this week will decide whether to hike your electricity bill by double digits. This, after having hiked ...

Global Water Resources filed a rate case for two utilities in Arizona to seek a $6.5 million annual revenue increase. Global Water Resources, Inc. has filed a general rate case application with the ...