Through the joint venture, the companies expect to build
more than 350 MW of new capacity in New York over the next few years.
AES will begin construction in May on SeaWest's 120 megawatt
Buffalo Gap wind generation project near Abilene, Texas and plans to
have it on line by the end of 2005. Our 30,000 people are committed to
operational excellence and meeting the world's growing power needs. The 2005 RPS solicitation will be PG+E's
third competitive solicitation for renewable energy since 2002.

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It has a biomass plant which uses straw for
fuel and 59 MW in small hydro power plants. New Agreements Add Enough Renewable Electricity for Nearly 120,000 PG+E
Customers

SAN FRANCISCO, Pacific Gas and Electric
Company announced it has signed up an additional 158 megawatts (MW) of clean,
renewable wind energy resources to help meet its customers' future electricity
needs. These agreements represent another milestone for
PG+E towards its goal of supplying 20% of customer needs with qualifying
renewable energy under the RPS program.

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AES Announces Joint Venture with EHN to Develop Wind Energy Projects in New York State; AES to Expand Wind Footprint to 14 States

"
"We are looking forward to working with AES as we develop our
portfolio of wind projects in New York," said Fernando Ferreras,
President, EHN USA.

Pacific Gas and Electric Company Adds More Renewable Wind Energy to Electric Mix

"The addition of these wind energy resources ensures that more than thirty
percent of our northern and central California customers' energy needs will
come from renewable energy sources," said Fong Wan, vice president of power
contracts and electric resources development. The
solicitation protocols require approval by the CPUC.

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5
billion. Since then, it
has entered into contracts for 368 MW of renewable power from wind,
geothermal, biomass, and hydro resources, including the three agreements being
submitted today to the CPUC.

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In 2004, AES
invested in US Wind Force, LLC, which is developing wind generation
projects in the largely untapped renewable energy market in the
mid-Atlantic US. Global demand
for wind generation is expected to grow by more than 15 percent a
year, from 46,000 MW in 2004 to 112,000 MW by 2010.

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This category is for manufacturers,suppliers,distributors and service providers of renewable energy products.

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Description of Renewable Energy Projects

Generating
Facility Type Length MW Capacity Location
FPL Montezuma Wind 20 years 32 Solano
Buena Vista Wind 15 years 28-43 Altamont Pass
Pacific Renewable Wind 20 years 83 Lompoc
Total 143-158

To continue to increase its renewable energy portfolio , PG+E recently
filed protocols with the CPUC for its 2005 renewable energy procurement
solicitation .

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"We are pleased to partner with a renowned, world class renewable
energy company like EHN as AES continues its expansion into wind
energy," said Ned Hall, AES Vice President, Wind Generation . For a discussion of
such risks and uncertainties, which could cause actual results to
differ from those contained in the forward-looking statements, see
"Cautionary Statements and Risk Factors " in the Company's 2004 Form
10-K.4 MW of photovoltaic power -- including the largest
plant in Spain -- and 13,000 m2 of thermal panels.
California's RPS Program requires each utility to increase its procurement
of eligible renewable generating resources by 1% of load per year to achieve a
20 % renewables goal.

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Through this joint venture, AES and EHN will focus their initial
development efforts on advanced projects in Niagara County and Clinton
County, where the companies have gathered over two years of
meteorological data and have large real estate holdings. "We see a
tremendous growth opportunity in wind generation, which is a natural
extension of AES's power generation businesses . PG+E anticipates issuing
the solicitation in early summer.

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The company has had a presence in New York since 1999. The company also produces biodiesel in a plant
with capacity of 35,000 tonnes per year.com.

Any energy source that is naturally replenishable , including wind, sun, geothermal, oceans and rivers, and biomass .

ette photovoltaics

Business Editors/Energy Editors

ARLINGTON, Va.

sepco resol

They also
will pursue other new project and acquisition opportunities throughout
the state.
AES expects to see strong opportunities for wind energy in New
York State as a result of Governor George E. To
learn more about EHN, contact the company at www. The utility currently supplies 31% of its customer load from
renewable resources: 18% from its large hydroelectric facilities and 13% from
smaller renewable resources that qualify under the RPS Program.

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aes.

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The joint venture with
EHN rounds out AES's wind energy portfolio and gives the company a
presence in 14 states in the US. Last week, AES completed its acquisition of SeaWest, which has
wind facilities and development sites in the western US. Through the SeaWest acquisition,
US Wind Force investment and the joint venture with EHN, AES has
approximately 2,750 MW of projects in development.

"Safe Harbor" Statement under the Private Securities Litigation
Reform Act of 1995

Statements in this press release regarding AES Corporation 's
business which are not historical facts are "forward-looking
statements" that involve risks and uncertainties. EHN has installed 2,480 MW in 89 wind farms, nearly all
operated by the company .

tankless damper

com or contact media
relations at media@aes. "These new resources will add to
a generating portfolio that already has one of the lowest rates of air
emissions in the country.
For more information about Pacific Gas and Electric Company, please visit
the company's web site at http://www.

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New York is one of 18 states in the US that have passed, or have
pending, legislation on renewable portfolio standards.

sga renewable

Through its
subsidiary INGETUR, it manufactures 1,500 kW wind turbines using
in-house technology. All together, generation from these new renewable energy resources will
add enough generation to supply nearly 120,000 PG+E customers.
PG+E has a long history of developing, generating, and purchasing
renewable power.

hotwire projecting

AES did not disclose the terms of its investment in the venture. The RPS Program was passed by the Legislature and is
managed by California's Public Utilities Commission and Energy Commission.

renewable hotwire

About AES

AES is a leading global power company, with 2004 sales of $9. To
learn more about AES, please visit www.com

About EHN

EHN is the head company in the Energy Division of ACCIONA, a
leader in sustainable energy development. Its solar subsidiary AESOL
has installed 8.

tankless photovoltaics

----The AES
Corporation (NYSE:AES) today announced it has entered into a joint
venture with EHN, one of the world's largest renewable energy
companies, to develop wind generation projects in New York state.

projecting damper

"
This is AES's third expansion into wind generation in the past six
months. Pataki's announced goal
to obtain 25 percent of the state's energy requirements from renewable
resources by 2013, including wind, solar energy and other renewables. AES operates in 27 countries, generating 44,000 megawatts of
electricity through 120 power facilities and delivers electricity
through 17 distribution companies.ehn."
The company submitted three long term wind power purchase agreements to
the California Public Utilities Commission (CPUC) for regulatory review.

sga microhydro

"AES's extensive experience and strong presence in
New York provide a tremendous advantage in our ability to successfully
complete these projects.
AES operates four power plants in New York, which generate 1,268
MW.es

In this upcoming solicitation for additional generation from
renewable resources, the company is seeking to procure an additional 1-2
percent of its customers ' electricity needs through renewable sources.

renewables photovoltaic

The category is divided into a number of specific sub categories.

garrad damper

It has installed 2,600 MW of
renewable energy generating capacity, of which 1,200 MW are owned by
the group. The
three agreements result from PG+E's 2004 Renewables Portfolio Standard (RPS)
procurement solicitation.pge.

hydro renewable

EHN's goal is to set the
standard for technical and economic viability in renewable energy.