<s>
Google	B-Application
PowerMeter	I-Application
was	O
a	O
software	O
project	O
of	O
Google	B-Application
's	I-Application
philanthropic	O
arm	O
,	O
Google.org,	O
to	O
help	O
consumers	O
track	O
their	O
home	O
electricity	O
usage	O
.	O
</s>
<s>
The	O
development	O
of	O
the	O
software	O
was	O
part	O
of	O
an	O
effort	O
by	O
Google	B-Application
to	O
invest	O
in	O
renewable	O
energy	O
,	O
electricity	O
grid	O
upgrades	O
,	O
and	O
other	O
measures	O
that	O
would	O
reduce	O
greenhouse	O
gas	O
emissions	O
.	O
</s>
<s>
PowerMeter	O
was	O
intended	O
for	O
use	O
with	O
smart	B-Device
meters	I-Device
able	O
to	O
track	O
electricity	O
usage	O
in	O
more	O
detail	O
than	O
standard	O
electric	O
meters	O
.	O
</s>
<s>
According	O
to	O
Google	B-Application
,	O
in	O
2009	O
there	O
were	O
approximately	O
40	O
million	O
smart	B-Device
meters	I-Device
in	O
use	O
worldwide	O
.	O
</s>
<s>
By	O
early	O
2009	O
,	O
approximately	O
7%	O
of	O
US	O
homes	O
had	O
a	O
smart	B-Device
meter	I-Device
installed	O
.	O
</s>
<s>
In	O
May	O
2009	O
,	O
Google	B-Application
announced	O
that	O
it	O
had	O
partners	O
with	O
smart	B-Device
meter	I-Device
maker	O
Itron	O
.	O
</s>
<s>
In	O
October	O
2009	O
Google	B-Application
PowerMeter	I-Application
announced	O
their	O
first	O
"	O
device	O
partner	O
"	O
,	O
The	O
Energy	O
Detective	O
(	O
TED	O
5000	O
)	O
,	O
an	O
energy	O
monitor	O
from	O
Energy	O
Inc	O
then	O
only	O
available	O
only	O
in	O
North	O
America	O
,	O
and	O
their	O
first	O
UK	O
partnership	O
which	O
was	O
with	O
AlertMe	O
.	O
</s>
<s>
In	O
2010	O
UK	O
company	O
Current	O
Cost	O
announced	O
a	O
collaboration	O
with	O
Google	B-Application
PowerMeter	I-Application
.	O
</s>
<s>
San	O
Diego	O
Gas	O
and	O
Electric	O
's	O
Sempra	O
Energy	O
company	O
announced	O
plans	O
to	O
install	O
1.4	O
million	O
smart	B-Device
meters	I-Device
in	O
San	O
Diego	O
County	O
and	O
Southern	O
Orange	O
County	O
by	O
the	O
end	O
of	O
2011	O
and	O
said	O
that	O
after	O
they	O
sent	O
out	O
100,000	O
post	O
cards	O
to	O
let	O
consumers	O
know	O
they	O
could	O
use	O
the	B-Application
Google	I-Application
PowerMeter	O
service	O
,	O
about	O
6%	O
had	O
started	O
to	O
use	O
it	O
.	O
</s>
<s>
In	O
June	O
2011	O
Google	B-Application
announced	O
the	O
service	O
would	O
cease	O
.	O
</s>
