A new 11-year solar cycle has officially begun, now that a sunspot has
been found with a magnetic field pointing in the opposite direction
from those in the previous cycle. But researchers are still divided
over how active – and potentially damaging to Earth's satellites and
power grids – the new cycle will be.

More at http://space.newscientist.com/article/dn13153-maverick-sunspot-heralds-new-solar-cycle.html