Sierra Geothermal Awarded Position in the 2010 TSX Venture 50

The TSX Venture Exchange today announced that Sierra Geothermal Power Corp. (TSX
VENTURE:SRA) ("SGP") has been named as one of the TSX Venture 50, a ranking of
strong performers listed on TSX Venture Exchange. TSX Venture 50 is comprised of
10 emerging companies in five industry sectors that have been identified as
leaders in Canada's public venture market.


"It is an honour to be named as part of this year's TSX Venture 50," said Gary
Thompson, President and CEO. "Our listing on the TSX Venture Exchange has
provided us with the ideal environment to meet our growth goals and objectives."


The 2010 TSX Venture 50 were selected based on four equally weighted criteria
that include return on investment, trading, analyst coverage and market
capitalization growth in Cleantech, Diversified Industries, Mining, Oil & Gas
and Technology and Life Sciences sectors.


"We are pleased to celebrate the 2010 TSX Venture 50," said John McCoach,
President, TSX Venture Exchange. "These outstanding companies are proven leaders
in their respective sectors and we are proud to have them listed on TSX Venture
Exchange. We wish them all continued success."


About Sierra Geothermal Power Corp.

Sierra Geothermal Power Corp. is a renewable energy company focused on the
exploration and development of clean, sustainable geothermal power. It is based
in Vancouver, British Columbia and listed on the TSX Venture Exchange under the
symbol SRA. Its portfolio of geothermal projects located in Nevada and
California exceeds 365 square kilometres (90,000 acres) and has a combined total
estimated capacity of greater than 500 MW. SGP intends to finance development by
utilizing a combination of corporate equity, joint venture partnerships and
project debt, with the support of US government grants and loan guarantees. To
find out more about Sierra Geothermal Power Corp. (TSX VENTURE:SRA) visit our
website at www.sierrageopower.com.


On behalf of the Board of Directors

Gary Thompson, P.Geo, President, Chief Executive Officer and Director

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION

This press release contains forward-looking statements. Forward-looking
statements are projections of events, revenues, income, future economic
performance or management's plans and objectives for future operations. In some
cases you can identify forward-looking statements by the use of terminology such
as "may", "should", "anticipates", "believes", "expects", "intends",
"forecasts", "plans", "future", "strategy", or words of similar meaning.
Forward-looking statements in this press release include a statement about the
Company's intent to finance the development of its projects through a
combination of corporate equity, joint venture partnerships and project debt
with the support of U.S. government grants and loan guarantees. These statements
are only predictions and involve known and unknown risks, uncertainties and
other factors, including the risks inherent in our industry, the challenging
capital markets and other risks identified by us in our periodic filings on
SEDAR (which can be viewed at www.sedar.com). Any of these risks could cause our
or our industry's actual results, levels of activity, performance or
achievements to be materially different from any future results, levels of
activity, performance or achievements expressed or implied by these
forward-looking statements.


While these forward-looking statements and any assumptions upon which they are
based are made in good faith and reflect our current judgment regarding the
direction of its business, actual results will almost always vary, sometimes
materially, from any estimates, predictions, projections, assumptions or other
future performance suggested in this press release. Except as required by
applicable law, including the securities laws of Canada, we do not intend to
update any of the forward-looking statements to conform these statements to
actual results.


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