Endesa, Renesas and Yitran sign a ground -breaking agreement

Endesa, Spain's largest utility, Renesas Technology a leading supplier of semiconductor solutions & Yitran a leading PLC fabless semiconductor, have signed an agreement to jointly develop an open specification for Automatic Meter Management (AMM).

London, 29 September 2006 - - Endesa, Spain's largest utility and one of Europe's five leading electricity companies, Renesas Technology the worldwide leading supplier of semiconductor solutions to the metering industry, and Yitran a leading PLC fabless semiconductor company and the inventor of the IT800 DCSK based powerline modulation technique, have signed an agreement on 27th July 2006 to jointly develop an open specification for Automatic Meter Management (AMM).


Endesa's AMM Project
Endesa, with the participation of various internal units and the collaboration of many national and international leading meter manufacturers, has defined an innovative AMM system, which will allow for remote reading and operation of its domestic meters. This system will improve the service offered to the clients by the company (multi -tariffs, control of demanded power, connect and disconnect of power supply, etc.) using the low -voltage power distribution lines as physical support for communications.

The volume of the meter grid reaches almost 11 million meters in Spain alone. With the implementation of an AMM system, Endesa targets a further improvement of the service quality offered to its customers in a progressive and secure manner. The quality and efficiency will be guaranteed by an open specification that allows the participation of several suppliers with fully interoperable equipment.

After analyzing existing PLC technologies and a rigorous evaluation process, Endesa has selected the most advanced and suitable solution in order to cover its customers' needs, leading to the agreement signed with Renesas and Yitran. The technology provided by these two companies, adapted to Endesa's requirements, will mean a significant innovation in the metering field using narrowband PLC technology.

Whilst Endesa will provide its suppliers with an open specification and the freedom to implement it in any way they choose, they will have the added security of knowing that a cost effective and complete implementation will already be available based on Renesas' M16C PLC platform and Yitran's IT800 device.

The specification puts Endesa's metering concept into practice via a jointly developed networking layer based on a combination of Endesa's meter management know -how and Renesas' experience in the implementation of its widely acclaimed RUN -MTM meter networking software. The physical layer is based on Yitran's IT800 using DCSK modulation technique that has been especially designed to cope with the characteristic distortion phenomena of distribution powerlines.

Renesas' M16C Family and PLC / AMR Solutions
Renesas originally selected Yitran's DCSK technology due to its robust communications capability and signed a license agreement with Yitran in 2002 to incorporate Yitran's DCSK technology into its M16C family of microcontrollers to provide single chip PLC solutions. The M16C was already a microcontroller family of choice for many of the world's leading meter manufacturers and continues to be adopted by them for single and three phase electricity meter applications to this day. Furthermore Renesas developed its high performance RUN -MTM networking implementation to run on the single chip M16C PLC microcontrollers and this has since been proven in the field in several real life implementations.

Yitran's IT800 DCSK Technology
Yitran's IT800 DCSK based technology is widely used around the world for metering as well as for smart home and white goods appliances. The technology was chosen as a standard by the Echonet forum in Japan, as well as ITRI in Taiwan and by the LNCP forum in Korea. IT800 DCSK has also been selected as the HomePlug base line technology for the coming Command and Control standard HPCC.

About Endesa:
ENDESA is the leading utility in Spain and the number one private -sector multinational electricity utility in Latin America; it is one of the five largest electric utilities in Europe; it is also a major operator in the Iberian natural gas market; its business in the renewable energies field is well consolidated. It operates in the electricity markets of 14 countries spanning three continents.
Its shares are listed on the Spanish Stock Exchanges, the New York Stock Exchange in the form of American Depositary Receipts (ADRs) and on the Santiago de Chile Offshore Exchange.

At 31 December 2005 its total assets were Euro 55,365 million.

In 2005, the company reported net income of Euro 3,182 million, EBITDA of Euro 6,020 million, EBIT of Euro 4,244 million and total revenues of Euro 17,508 million. At the end of 2005, ENDESA's workforce totaled 27,204, with 12,709 staff employed in its business in Spain and Portugal and 14,495 in other countries and business areas. For further details: www.endesa.es

About Renesas Technology Corp:
Renesas Technology Corp. is one of the world's leading semiconductor system solutions providers for mobile, automotive and PC/AV (Audio Visual) markets and the world's No.1 supplier of microcontrollers. It is also a leading provider of LCD Driver ICs, Smart Card microcontrollers, RF -ICs, High Power Amplifiers, Mixed Signal ICs, System -on -Chip (SoC), System -in -Package (SiP) and more. Established in 2003 as a joint venture between Hitachi, Ltd. (TSE:6501, NYSE:HIT) and Mitsubishi Electric Corporation (TSE:6503), Renesas Technology achieved consolidated revenue of 906 billion JPY in FY2005 (end of March 2006). Renesas Technology is based in Tokyo, Japan and has a global network of manufacturing, design and sales operations in around 20 countries with about 26,200 employees worldwide. For further information, please visit www.renesas.com.

About Yitran:
A fabless semiconductor company, Yitran Communications Ltd. designs, develops, and markets high performance, low cost PLC (Power Line Communication) modem chips and systems. Yitran's products provide robust and reliable communication over the existing electrical wiring and power grids. The technology enables a variety of 'No New Wires' applications, such as Home Automation, Command & Control, AMR (Automatic Meter Reading) and Internet distribution over power lines (in hotels and MDU/MTU markets). Yitran's customer and partner lists include leading companies, such as Renesas, Matsushita Electric Works, Hitachi, KEPCO, Kinden, LG and Microsoft. For further details: www.yitran.com

For further information and reader enquiries:
Dr. Robert Denda, Endesa Ingeniera, Edificio Expo, C/Inca Garcilaso s/n, 41018 Sevilla, Spain
Phone: +34 954487102
E -mail: rdenda@endesaingenieria.es
Web: www.endesa.es
Simon Gray, Renesas Technology Europe Ltd., Dukes Meadow, Millboard Road, Bourne End, SL8 5FH, Great Britain
Phone: +44 (0)1628 585149
E -mail: simon.gray@renesas.com
Fax: +44 (0)1628 585180
Web: www.renesas.eu
Amit Grauer, Yitran Communications Ltd., 9 Yehoshua Hatzoref st., Beer Sheva, Israel
Phone: +972 8 6235281
E -mail: amitg@yitran.com
Web: www.yitran.com


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