<s>
Silver	B-General_Concept
Spring	I-General_Concept
Networks	I-General_Concept
,	O
a	O
subsidiary	O
of	O
Itron	O
,	O
is	O
a	O
provider	O
of	O
smart	B-Architecture
grid	I-Architecture
products	O
,	O
headquartered	O
in	O
San	O
Jose	O
,	O
California	O
,	O
with	O
offices	O
in	O
Australia	O
,	O
Singapore	O
,	O
Brazil	O
,	O
and	O
the	O
United	O
Kingdom	O
.	O
</s>
<s>
Besides	O
communications	O
devices	O
,	O
Silver	B-General_Concept
Spring	I-General_Concept
Networks	I-General_Concept
develops	O
software	O
for	O
utilities	O
and	O
customers	O
to	O
improve	O
energy	O
efficiency	O
.	O
</s>
<s>
Founded	O
in	O
2002	O
backed	O
by	O
venture	O
capital	O
,	O
Silver	B-General_Concept
Spring	I-General_Concept
Networks	I-General_Concept
went	O
public	O
on	O
the	O
New	O
York	O
Stock	O
Exchange	O
on	O
March	O
13	O
,	O
2013	O
.	O
</s>
<s>
Itron	O
acquired	O
Silver	B-General_Concept
Spring	I-General_Concept
Networks	I-General_Concept
in	O
January	O
2018	O
for	O
$830	O
million	O
.	O
</s>
<s>
Silver	B-General_Concept
Spring	I-General_Concept
Networks	I-General_Concept
was	O
founded	O
in	O
July	O
2002	O
as	O
Real	O
Time	O
Techomm	O
in	O
Butler	O
,	O
Wisconsin	O
,	O
near	O
Milwaukee	O
.	O
</s>
<s>
Other	O
investors	O
included	O
Northgate	O
Capital	O
,	O
Kleiner	O
Perkins	O
Caufield	O
&	O
Byers	O
and	O
Google	B-Application
.	I-Application
</s>
<s>
On	O
July	O
7	O
,	O
2011	O
,	O
Silver	B-General_Concept
Spring	I-General_Concept
Networks	I-General_Concept
filed	O
with	O
the	O
U.S.	O
Securities	O
and	O
Exchange	O
Commission	O
(	O
SEC	O
)	O
to	O
raise	O
up	O
to	O
$150	O
million	O
in	O
an	O
initial	O
public	O
offering	O
.	O
</s>
<s>
Silver	B-General_Concept
Spring	I-General_Concept
Networks	I-General_Concept
went	O
public	O
under	O
the	O
listing	O
symbol	O
SSNI	O
on	O
the	O
New	O
York	O
Stock	O
Exchange	O
on	O
March	O
13	O
,	O
2013	O
,	O
raising	O
about	O
$81	O
million	O
.	O
</s>
<s>
Silver	B-General_Concept
Spring	I-General_Concept
Networks	I-General_Concept
develops	O
equipment	O
that	O
creates	O
wireless	O
mesh	O
networks	O
and	O
transmits	O
energy	O
consumption	O
data	O
between	O
meters	O
,	O
consumers	O
and	O
utilities	O
in	O
real	O
time	O
.	O
</s>
<s>
The	O
meters	O
in	O
the	O
PG&E	O
deployment	O
include	O
two	O
radios	O
:	O
one	O
in	O
the	O
unlicensed	O
ISM	B-Algorithm
band	I-Algorithm
of	O
902	O
to	O
928MHz	O
for	O
communication	O
back	O
to	O
the	O
utility	O
provider	O
,	O
and	O
another	O
intended	O
for	O
future	O
communication	O
to	O
a	O
home	O
network	O
.	O
</s>
<s>
Silver	O
Spring	O
began	O
its	O
technology	O
offering	O
with	O
a	O
smart	B-Architecture
grid	I-Architecture
network	O
based	O
on	O
Internet	B-Protocol
Protocol	I-Protocol
(	O
IP	O
)	O
technology	O
,	O
which	O
was	O
advocated	O
for	O
the	O
smart	B-Architecture
grid	I-Architecture
by	O
the	O
U.S.	O
Federal	O
Communications	O
Commission	O
(	O
FCC	O
)	O
and	O
other	O
smart	B-Architecture
grid	I-Architecture
experts	O
.	O
</s>
<s>
Silver	O
Spring	O
expanded	O
on	O
the	O
network	O
to	O
smart	B-Architecture
grid	I-Architecture
application	O
software	O
that	O
includes	O
demand	O
response	O
(	O
DR	O
)	O
,	O
demand	O
management	O
and	O
other	O
services	O
for	O
utilities	O
and	O
their	O
customers	O
.	O
</s>
