From;
http://www.arrl.org/news/stories/2003/07/30/4/?nc=1

Extract below;

In the meantime, ARRL Lab Manager Ed Hare, W1RFI, is continuing his
efforts to assess and quantify the effects of BPL on HF amateur
allocations. Just back from a more than 1300-mile trip to evaluate the
effects of BPL systems now in the testing stages, Hare described the
interference he monitored on the HF bands as "devastating." ARRL
President Jim Haynie, W5JBP, and members of the ARRL Technical
Relations Office staff have been working to build the Amateur Radio
case against BPL in Washington.

"The threat is real," Hobart said, "and the work it will take to
defeat this potential threat will be significant." She said the ARRL
is counting on every ham--whether or not an ARRL member--to support
the League's efforts to represent Amateur Radio in this fight.

In a recent solicitation focusing on the BPL issue, ARRL CEO David
Sumner, K1ZZ, said no threat prior to BPL has posed a challenge more
serious than the one amateurs face today. "The threat is as close as
the power lines right in your neighborhood," Sumner said in issuing a
call to action to all amateurs. "Only by joining forces financially
will we be able to educate government officials quickly and
effectively on the impact of this new threat to Amateur Radio
spectrum."

Sumner notes that BPL technology already has been deployed in some
European countries, and amateurs there have experienced interference
from the systems. Responding in part to concerns expressed by its
amateur community, Japan last year decided not to adopt the technology
because of its interference potential.