Silver Spring Networks and CPFL Energia Complete Successful First Phase of Brazilian Smart Grid and Initiate Expanded

  Silver Spring Networks and CPFL Energia Complete Successful First Phase of
  Brazilian Smart Grid and Initiate Expanded Deployment

First of Its Kind Commercial-Scale Smart Grid Deployment in Brazil Establishes
   Foundation for Residential Metering and Distribution Automation Projects

Business Wire

SÃO PAULO -- September 24, 2013

Today at the DistribuTECH Brazil conference, Silver Spring Networks, Inc.
(NYSE: SSNI), a leading networking platform and solutions provider for smart
energy networks, and CPFL Energia, Brazil's largest private electricity group,
announced the successful completion of the Grupo A client smart grid rollout
in the state of Sao Paulo. The next phase, which calls for CPFL to implement
the smart grid for Grupo A clients in the state of Rio Grande do Sul, is
expected to bring the total number of commercial and industrial customers
connected to over 25,000 by the end of 2014.

CPFL also expects to leverage the already installed Silver Spring networking
platform for an initial project to deploy the smart grid to residential,
low-voltage customers later in 2013. CPFL further expects to partner with
Silver Spring on an initial Distribution Automation project which will
automatically reinstate itself in case of failure, redirecting energy flows
though alternative channels to increase service reliability. This Distribution
Automation project will also leverage Silver Spring’s standards-based network
already in place.

“CPFL is leading the Brazilian energy industry with this smart grid rollout,
unlocking benefits for customers, and improving the operating efficiency of
its grid,” said Arthur Lobato, Country Manager, Silver Spring Networks Brazil.
“We’re excited to help CPFL leverage its underlying platform to deliver more
advanced smart grid solutions to its customers.”

“As a part of CPFL`s Tauron infrastructure modernization initiative, we’ve
devoted much of our investment to this smart grid program,” said Paulo
Bombassaro, engineering director at CPFL Energia. “CPFL’s success leading the
first commercial-grade smart grid deployment in Brazil is based on the IPv6
platform from Silver Spring, and our customers are already reaping the
benefits today.”

“We congratulate CPFL on its initiative to modernize its power
infrastructure,” said Nelson Fonseca Leite, President of ABRADEE (Brazilian
Association of Energy Distributors). “CPFL has built a successful smart grid
deployment case and demonstrated that this is a sustainable concept.”

CPFL’s Tauron Program was created to improve grid reliability, speed up
response time, optimize on-site operations, and protect group revenues. During
this phase of the program, CPFL is already seeing the initial results,

  *Performance and reliability of its network based on Silver Spring’s IPv6
    platform is providing unparalleled success rates of 99.8%
  *Reductions in the volume of fraud and number of faults, which can now be
    rapidly identified and corrected by transferring data of the smart
    metering system every 15 minutes
  *Heightened consumer control and management of their energy usage
    particularly during peak power usage
  *Upon the project’s anticipated completion in 2014, CPFL expects to have
    eliminated 25,000 truck rolls per month, which are currently required to
    read legacy meters

Silver Spring’s IPv6 networking technology enables utilities of all sizes and
across all geographies to deploy the broadest array of smart grid solutions
atop a common platform. Silver Spring is a longtime open standards technology
leader dedicated to ensuring interoperability, higher quality, and lower cost
and risk for customers. Silver Spring’s Smart Energy Platform interoperates
with a broad array of technology vendors around the world, including smart
grid technologies from leading suppliers to the Brazilian market such as
Cooper, Eletra, Elster, Itron, Landis+Gyr and Nansen. For more details on
partnering with Silver Spring Networks please visit

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About CPFL Energia

CPFL Energia is the largest private group in Brazil's electricity sector,
distributing, generating and selling energy and services. With a 13% share of
the energy distribution market, it is market leader serving 7 million
consumers in the States of São Paulo, Rio Grande do Sul, Minas Gerais and
Paraná. A benchmark for operational efficiency, the company has stepped up its
investments in smart grid technologies as well as loss reduction and energy
efficiency programs as well as research and development projects in areas such
as green building and electric vehicles.

By sales, it has a 10% share of the free energy market. In the generating
segment, it has consolidated its domestic position as the second largest
private company in Brazil and has adopted a growth strategy based on clean and
renewable energy sources. In 2011, it created CPFL Renováveis, which generates
an entry from alternative renewable sources, such as hydroelectric power
stations, wind farms, biomass thermoelectric stations and, more recently, the
Tanquinho solar power station, the first of its kind in the state of São Paulo
and one of the biggest in Brazil.

Since its 2004 IPO, CPFL Energia has been listed on the BM&FBovespa New Market
and is also listed on the New York Stock Exchange as ADR Level III, both
markets offering the highest levels of corporate governance. For the eighth
consecutive year, the company's stock have been included in the BM&FBovespa
Business Sustainability Index portfolio and in 2012, celebrating his 100th
anniversary, the Group was included on the Dow Jones Index of Emerging

About Silver Spring Networks

Silver Spring Networks isaleadingnetworking platform and solutions provider
for smart energy networks. Silver Spring’s pioneering IPv6 networking
platform, with 17 million Silver Spring enabled devices delivered, is
connecting utilities to homes and business throughout the world with the goal
of achieving greater energy efficiency for the planet.Silver Spring’s
innovative solutions enable utilities to gain operationalefficiencies,
improve grid reliability, and empower consumers to monitor and manage energy
consumption. Silver Spring Networks customers include major utilities around
the globe such as Baltimore Gas & Electric, CitiPower & Powercor, Commonwealth
Edison, CPFL Energia, CPS Energy, Florida Power & Light, Jemena Electricity
Networks Limited, Pacific Gas & Electric, Pepco Holdings, Progress Energy and
Singapore Power, among others. To learn more, please

Forward-Looking Statements

This press release contains forward-looking statements about Silver Spring
Networks’ expectations, plans, intentions, and strategies, including, but not
limited to statements regarding the scope and timing of Silver Spring’s
engagement with CPFL Energia, including CPFL Energia’s anticipated residential
metering and distribution automation projects. Statements including words such
as “anticipate”, “believe”, “estimate”, “expect” or “future” and statements in
the future tense are forward-looking statements. These forward-looking
statements involve risks and uncertainties, as well as assumptions, which, if
they do not fully materialize or prove incorrect, could cause our results to
differ materially from those expressed or implied by such forward-looking
statements. The risks and uncertainties include those described in Silver
Spring Networks' 10-Q for the quarter ended June 30, 2013 filed with or
furnished to the Securities and Exchange Commission. All forward-looking
statements in this press release are based on information available to Silver
Spring Networks as of the date hereof. Silver Spring Networks assumes no
obligation to update these forward-looking statements.


Silver Spring Networks
Noel Hartzell, 650-839-4184
Global Communications
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