Am I able to use unused energy credits from 2009?

In 2009 I could had claimed the max of $1500 for residential energy efficiency credit but my taxable income was zero and I was not able to claim any credits. In 2010 I have spent and additional $2400 in qualifying window expenses for an additional credit of $720 (30% of $2400) and now have taxable income. Am I able to claim $2220(720 +1500)energy credit on my 2010 taxes? If so, how do I show that on the form 5695?

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