Hi, are you in Ontario?
If that's the case, you can find the information you're looking for here:
http://www.cra-arc.gc.ca/E/pub/tg/5006-pc/5006-pc-14e.html#energy_property_tax_credit
Amounts paid for a principal residence
If you and your spouse or common-law partner lived together on December 31, 2014, enter the total amount of rent or property tax paid for the year, including amounts paid by or for each spouse or common-law partner for a period of separation.
