Decommissioning Amount. The Decommissioning Bond shall have a bonded sum amount equal to no less than the Decommissioning Amount and shall be for a term of one (1) year following the date of delivery of such Bond to Purchaser. At least sixty (60) Days prior to the fifth (5th), tenth (10th), fifteenth (15th), twentieth (20th) and twenty-fifth (25th) anniversaries of the Billing Year, Seller shall, at its sole cost and expense, engage and cause a Qualified Engineer experienced in preparing decommissioning estimates of solar photovoltaic systems to (i) recalculate the Decommissioning Amount as of such particular anniversary date, and (ii) prepare and send a report with such recalculated Decommissioning Amount, including all data and calculations, to each of Purchaser and Seller. Unless Purchaser disagrees with the recalculation of such Decommissioning Amount by delivery of Notice to Seller within twenty (20) Days following receipt of such report from the Qualified Engineer, Seller shall cause the Qualified Surety to amend or replace the Decommissioning Bond with the recalculated Decommissioning Amount, as determined by the Qualified Engineer, and deliver such amended or replacement Decommissioning Bond to Purchaser within thirty (30) Days.
