This is particularly common in the summer when some areas are vulnerable to electrical power problems.

But they decided that the federal government should let California solve its own power problem.

If a power problem occurs, all service is handled through the utility companies.

I'm not sure if there was a power problem but the modern systems used on these boats are quite hard to shut down.

Who was to blame for the power problems on the subway yesterday?

Before we do anything else, we've got to deal with our power problem.

The future of the space station depends on fixing the power problem.

"Specialists, I suggest we get back to solving this world's power problems."

Happens now and again - maybe a power problem or damage to transmission equipment.

That ought to be the answer to her power problem.