Day4 Energy To Build 725kW Photovoltaic Power Plant for Kreissparkasse Rottweil Germany

BURNABY, Canada, June 7, 2010 - Day4 Energy Inc. (TSX: DFE), a leading supplier of high performance,
cost-effective solar electric solutions, today announced it has commenced
the construction of a turnkey 725kW ground mounted turnkey photovoltaic
power plant for Kreissparkasse Rottweil, a local Savings Bank in Germany.

Day4 Energy has already completed the design, engineering works and
has begun construction of the PV power plant. Once completed, the plant is
expected to include approximately 3920 48MC Day4 modules. While bank
financing is routinely used to leverage equity investments in PV projects,
in this particular case Kreissparkasse Rottweil has selected the Day4
technology and project execution capabilities for construction of the
project that will be 100% owned by the bank itself. Day4 will be further
awarded a complete maintenance and operation contract for the project
subsequent to completion of project construction. The Kreissparkasse
Rottweil is adjacent to the Day4 German headquarters and will have the
additional benefit of being a very convenient reference site for future
customers. The energy produced at this solar plant will be sold to the
local grid provider under the German FIT Law (EEG).

"Given the prevalence of PV in the south of Germany banks have
exposure and access to a very broad number of PV industry players and
therefore Kreissparkasse Rottweil's choice of Day4 Energy is a testament to
the unique value that we bring to the market through the combination of
industry leading technology, performance driven system design and the
uncontested installation expertise and quality delivered by our channel
partners, " said George Rubin, President of Day4 Energy.

Day4 Energy is focused on significantly increasing its presence in the
solar project market vertical over the next several months and intends to
scale its project development business model to other markets including
Italy and Canada.

About Day4:

Day4 Energy Inc. is a Canadian company dedicated to providing high
performance photovoltaic (PV) solutions for residential, commercial and
utility scale installations. By fundamentally improving on the design and
assembly of solar cells and modules, the Company produces unique PV panels
of high power density, increased lifetime and uncompromised aesthetic
appearance. Day4 partners with international technology leaders to develop
and deliver IEC- and UL-certified solar products to customers around the
world. Day4 is listed on the Toronto Stock Exchange under the symbol "DFE".
For more information, please visit www.day4energy.com.

Forward Looking Statements:

This news release contains forward-looking information. These
statements relate to future events or future performance and reflect
management's current expectations and assumptions. A number of factors
could cause actual events, performance or results to differ materially from
the events, performance and results discussed in the forward-looking
statements. These forward-looking statements are made as of the date hereof
and the Company does not assume any obligation to update or revise them to
reflect new events or circumstances.

For further information: Therese Hayes, Head, Corporate Development,
Day4 Energy Inc., +1-(604)-345-6771, thayes@day4energy.com; Heather
Ballachey, Media Contact, Day4 Energy Inc., +1-(604)-296-0445,
media@day4energy.com

For further information: Therese Hayes, Head, Corporate Development,
Day4 Energy Inc., +1-(604)-345-6771, thayes@day4energy.com; Heather
Ballachey, Media Contact, Day4 Energy Inc., +1-(604)-296-0445,
media@day4energy.com

For further information: Therese Hayes, Head, Corporate Development, Day4 Energy Inc., +1-(604)-345-6771, thayes at day4energy.com; Heather Ballachey, Media Contact, Day4 Energy Inc., +1-(604)-296-0445, media at day4energy.com