Day4 Energy Enters Investor-Funded Projects Market with a 2.5 MW Turnkey Solar Electric System in Italy

Solita Solar Project to Deliver 30 Million Euro to Investors over 20 years, Expands 2009 Sales Pipeline

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Burnaby, BC – Septebmer 4, 2008 - Day4 Energy today announced the official launch of its turnkey solar power project business with an agreement to deliver a 2.5 megawatt (MW) power generation system to be installed by the company’s Italian channel partner Ing Gaeta Sistemi Electrici Srl. Consisting of 14,300 advanced Day4 48MC modules, the system is funded and will be ultimately owned by Day4 Energy’s project financing partner CERTUS Life Cycle AG (CLC) and is located near the town of Sezze about 75 kilometers southeast of Rome. The 2.5 MW Solita photovoltaic (PV) system will deliver enough reliable clean electricity to power approximately1000 Italian homes.

Solita is the largest PV system to feature Day4 Energy’s industry leading products to date and is the first project to be delivered under the terms of the recent agreement between the company and CLC. With an independently rated annual output of 3.5 gigawatt hours (GWh), the Solita Solar Power Plant is expected to generate more than 30 million EUR ($50 million USD) in revenues to the CLC fund over the course of its first 20 years of operation. The project further adds to Day4 Energy’s existing pipeline of 55 MW contracted product sales scheduled for delivery in 2009.

“The Solita project is significant for Day4 Energy on many levels: notably, our successful collaboration with channel and investor partners, the impressive size of the system, and its strategic location in Italy, a new and growing market for us,” said George Rubin, president of Day4 Energy. “We are particularly proud to be providing our new finance partners at CLC with an outstanding return on investment and significant ongoing revenue streams based on the high performance of our advanced solar energy modules and high-quality installation work of our system integration channel partners.”

“As a channel partner with Day4 Energy since 2007, we have come to expect that Day4 Energy stands for only the best product and service”, says Mario Gaeta, president of Ing Gaeta Sistemi Elettrici SrL. “We are excited to be a part of the Solita project which is bound to be the first of many power generation projects for Day4 and its channel partners.”

For the Solita project, Day4 Energy’s high-performance solar modules will be ground-mounted across 55,000 square meters of Italian countryside. Day4 Energy’s European project management subsidiary Day4 Systems will coordinate design and installation. Solita will be financed by German-based CERTUS Life Cycle AG (CLC) as part of the agreement between Day4 Energy and CLC to deploy photovoltaic installations throughout Italy and Europe. CLC will operate the system and sell the power generated on the Italian electricity market.

About Day4 Energy: Headquartered near Vancouver, British Columbia, Day4 Energy Inc. (TSX: DFE) designs, manufactures and sells photovoltaic (PV) modules based on its patented Day4 Electrode technology, a proprietary method of contacting and interconnecting solar cells that produces PV panels of high power density, increased lifetime and uncompromised aesthetic appearance. Day4 Energy partners with the industry's leading PV cell producers to deliver IEC- and UL-certified commercial and residential solar products to customers throughout Europe and North America.

www.day4energy.com

About CERTUS Life Cycle AG: CERTUS Life Cycle AG (CLC) is a German based initiator of private equity funds. CLC initiates projects via closed funds created and operated within the legal framework of a German GmbH & Co. KG (SPV’s). CLC further obtains equity investments for these funds mainly from the German private investors. CLC’s offices are located in the city of Freiburg, Germany. www.certus-ag.de

About Ing Gaeta Sistemi Elettrici SrL: Headquartered in Sabaudia, Italy, Ing Gaeta Sistemi Elettrici SrL is a solar electric designer and installer focusing on the commercial markets in the region of Lazio. The company also designs and manufactures dual axis photovoltaic tracking systems with crystalline and thin film technologies. www.inggaeta.it

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Press Contact:
Rosalind Jackson
Antenna Group (for Day4 Energy)
415-977-1923
rosalind@antennagroup.com

Investor Contact:
Cory Pala
416-657-2400
CPala@Day4Energy.com

Caution Regarding Forward-Looking Statements

This news release contains forward-looking statements that relate to our current expectations and views of future events. These forward-looking statements include, among other things, statements relating to our expectations regarding our revenues, expenses, cash flows, operating performance and future profitability; our progression towards our goal of positive EBITDA; our targeting of break-even EBITDA by the fourth quarter of 2008; our plans for and timing of expanding our manufacturing capacity; and our ability to meet demand for future contracted deliveries.

The forward-looking statements contained in this news release are based on assumptions, which include, but are not limited to, our ability to expand our annual PV module manufacturing capacity; our ability to secure raw materials at acceptable prices and qualities; our ability to achieve increased PV cell and PV module efficiencies; our ability to expand our existing product line; our ability to attract customers and develop and maintain customer and supplier relationships; our ability to diversify our suppliers; our ability to effectively manage foreign exchange risks; our ability to protect our intellectual property rights and to not infringe on the intellectual property rights of third parties; and our ability to comply with applicable governmental regulations and standards going forward.

Such forward-looking statements are subject to risks, uncertainties and other factors, including those listed in our Annual Information Form filed with Canadian securities regulatory authorities, many of which are beyond our control and each of which contributes to the possibility that our forward-looking statements will not occur or that actual results, performance or achievements may differ materially from those expressed or implied by such statements. These risks, uncertainties and other factors include, but are not limited to, the impact of general economic, market or business conditions; our limited operating history; the current industry-wide shortage of high-purity silicon; risks relating to the protection of our intellectual property and intellectual property infringement claims by third parties; our dependence on a limited number of PV cell suppliers; government subsidies and economic incentives for PV power could be reduced or eliminated; we may be unable to achieve higher PV module efficiencies; our dependence on a limited number of customers and our lack of long-term purchase contracts; demand for PV modules; technological changes in the PV power industry could render our products uncompetitive or obsolete; unexpected warranty expenses; fluctuations in exchange rates; product liability claims; compliance with environmental regulations; and other factors, many of which are beyond our control.

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