Common use of ESTIMATED COSTS OF INTERCONNECTION FACILITIES Clause in Contracts

ESTIMATED COSTS OF INTERCONNECTION FACILITIES. The total estimated costs (+30%/-15%) of the work associated with the Interconnection Facilities required for the interconnection of the Small Generating Facility are presented in the table below. As described in the Facilities Study for the Small Generating Facility, the estimates provided herein: Assume: • 5X10 construction work week; • outages are available; • all major material is delivered to site (i.e., no costs are included for transport from storage); and • existing equipment to remain is functional. Exclude (as applicable): • discussions and negotiations of issued interconnection study; • application fees; • applicable surcharges; • overall project sales tax; • property taxes; • line switching; • property/easement acquisitions; • access roads and associated matting; • future operation and maintenance costs; • recurring monthly communications circuits’ charges, if any, responsible by the Interconnection Customer to the communications utility; • soil testing; • adverse field conditions such as rock, water, weather, and Interconnection Customer electrical equipment obstructions; • environmental mitigation; • extended engineering to minimize outage time or Connecting Transmission Owner’s public duty to serve; • extended craft labor hours, to minimize outage and/or construction time; or • any required permits. Cost adders estimated for overtime will be based on 1.5 and 2 times labor rates if required for work beyond normal business hours. Meals and equipment are also extra costs incurred for overtime labor.

ESTIMATED COSTS OF INTERCONNECTION FACILITIES. The total estimated costs (+30%/-15%) of the work associated with the Interconnection Facilities required for the interconnection of the Small Generating Facility are presented in the table below. As described in the Facilities Study for the Small Generating Facility, the estimates provided herein: SERVICE AGREEMENT NO. 2638 Assume: • 5X10 construction work week; • outages are available; • all major material is delivered to site (i.e., no costs are included for transport from storage); and • existing equipment to remain is functional. Exclude (as applicable): • discussions and negotiations of issued interconnection study; • application fees; • applicable surcharges; • overall project sales tax; • property taxes; • line switching; • property/easement acquisitions; • access roads and associated matting; • future operation and maintenance costs; • recurring monthly communications circuits’ charges, if any, responsible by the Interconnection Customer to the communications utility; • soil testing; • adverse field conditions such as rock, water, weather, and Interconnection Customer electrical equipment obstructions; • environmental mitigation; • extended engineering to minimize outage time or Connecting Transmission Owner’s public duty to serve; • extended craft labor hours, to minimize outage and/or construction time; • property transactions reviews associated with Interconnection Customer’s requests to occupy the Connecting Transmission Owner’s rights-of-way and/or fee owned property; or • any required permits. Cost adders estimated for overtime will be based on 1.5 and 2 times labor rates if required for work beyond normal business hours. Meals and equipment are also extra costs incurred for overtime labor.

ESTIMATED COSTS OF INTERCONNECTION FACILITIES. The total estimated costs (+30%/-15%) of the work associated with the Interconnection Facilities required for the interconnection of the Small Generating Facility are presented in the table below. As described in the Facilities Study for the Small Generating Facility, the estimates provided herein: Assume: • 5X10 construction work week; • outages are available; • all major material is delivered to site (i.e., no costs are included for transport from storage); and • existing equipment to remain is functional. Exclude (as applicable): • discussions and negotiations of issued interconnection study; • application fees; • applicable surcharges; • overall project sales tax; • property taxes; • line switching; • property/easement acquisitions; • access roads and associated matting; • future operation and maintenance costs; • recurring monthly communications circuits’ charges, if any, responsible by the Interconnection Customer to the communications utility; • soil testing; • adverse field conditions such as rock, water, weather, and Interconnection Customer electrical equipment obstructions; • environmental mitigation; • extended engineering to minimize outage time or Connecting Transmission Owner’s public duty to serve; • extended craft labor hours, to minimize outage and/or construction time; or • any required permits. Cost adders estimated for overtime will be based on 1.5 and 2 times labor rates if required for work beyond normal business hours. Meals and equipment are also extra costs incurred for overtime labor.

ESTIMATED COSTS OF INTERCONNECTION FACILITIES. The total estimated costs (+30%/-15%) of the work associated with the Interconnection Facilities required for the interconnection of the Small Generating Facility are presented in the table below. As described in the Facilities Study for the Small Generating Facility, the estimates provided herein: Assume: • 5X10 construction work week; • outages are available; • all major material permitting is delivered to site (i.e., no costs are included for transport from storage)not required; and • existing equipment to remain is functional. Exclude (as applicable): • discussions and negotiations of issued interconnection study; • application fees; • applicable surcharges; • overall project sales tax; • property taxes; • line switching; • property/easement acquisitions; • access roads and associated matting; • future operation and maintenance costs; • recurring monthly communications circuits’ charges, if any, responsible by the Interconnection Customer to the communications utility; • soil testing; • adverse field conditions such as rock, water, weather, and Interconnection Customer electrical equipment obstructions; • environmental mitigation; • extended engineering to minimize outage time or Connecting Transmission Owner’s public duty to serve; • extended craft labor hours, to minimize outage and/or construction time; • property transactions reviews associated with Interconnection Customer’s requests to occupy the Connecting Transmission Owner’s rights-of-way and/or fee owned property; or • any required permits. Cost adders estimated for overtime will be based on 1.5 and 2 times labor rates if required for work beyond normal business hours. Meals and equipment are also extra costs incurred for overtime labor.

ESTIMATED COSTS OF INTERCONNECTION FACILITIES. The total estimated costs (+30%/-15%) of the work associated with the Interconnection Facilities required for the interconnection of the Small Generating Facility are presented in the table below. As described in the Facilities Study for the Small Generating Facility, the estimates provided herein: Assume: • 5X10 construction work week; • outages are available; • all major material is delivered to site (i.e., and no costs are included for transport from form storage); and • existing equipment to remain is functional. Exclude (as applicable): • discussions and negotiations of issued interconnection study; • application fees; • applicable surcharges; • overall project sales tax; • property taxes; • line switching; • property/easement acquisitions; • access roads and associated matting; , • future operation and maintenance costs; • recurring monthly communications circuits’ charges, if any, responsible by the Interconnection Customer to the communications utility; • soil testing; • adverse field conditions such as rock, water, weather, and Interconnection Customer electrical equipment obstructions; • environmental mitigation; • extended engineering to minimize outage time or Connecting Transmission Owner’s public duty to serve; • extended craft labor hours, to minimize outage and/or construction time; or • any required permits. Cost adders estimated F. O&M EXPENSES FOR INTERCONNECTION FACILITIES In accordance with Article 4 of this Agreement, the Interconnection Customer shall be responsible for overtime will be based on 1.5 all reasonable expenses associated with the operation, maintenance, repair and replacement of the Connecting Transmission Owner’s Interconnection Facilities, as such facilities are detailed in this Attachment 2 times labor rates if required for work beyond normal business hours(“O&M Expenses”). Meals and equipment are also extra costs incurred for overtime laborThe Interconnection Customer shall have the option to pay such O&M Expenses either under the procedure described in Option 1 or in Option 2 below.

ESTIMATED COSTS OF INTERCONNECTION FACILITIES. The total estimated costs (+30%/-15%) of the work associated with the Interconnection Facilities required for the interconnection of the Small Generating Facility are presented in the table below. As described in the Facilities Study for the Small Generating Facility, the estimates provided herein: Assume: • 5X10 construction work week; • outages are available; • all major material is delivered to site (i.e., no costs are included for transport from storage); and • existing equipment to remain is functional. SERVICE AGREEMENT NO. 2666 Exclude (as applicable): • discussions and negotiations of issued interconnection study; • application fees; • applicable surcharges; • overall project sales tax; • property taxes; • line switching; • property/easement acquisitions; • access roads and associated matting; • future operation and maintenance costs; • recurring monthly communications circuits’ charges, if any, responsible by the Interconnection Customer to the communications utility; • soil testing; • adverse field conditions such as rock, water, weather, and Interconnection Customer electrical equipment obstructions; • environmental mitigation; • extended engineering to minimize outage time or Connecting Transmission Owner’s public duty to serve; • extended craft labor hours, to minimize outage and/or construction time; or • property transactions reviews associated with Interconnection Customer’s requests to occupy the Connecting Transmission Owner’s rights-of-way and/or fee owned property; • any required permits; or • changes in cost resulting from the Interconnection Customer’s decision after the issuance of the Facilities Study to change the location of the Ticonderoga Solar Collector Station. Cost adders estimated for overtime will be based on 1.5 and 2 times labor rates if required for work beyond normal business hours. Meals and equipment are also extra costs incurred for overtime labor.

ESTIMATED COSTS OF INTERCONNECTION FACILITIES. The total estimated costs (+30%/-15%) of the work associated with the Interconnection Facilities required for the interconnection of the Small Generating Facility are presented in the table below. As described in the Facilities Study for the Small Generating Facility, the estimates provided herein: Assume: • 5X10 construction work week; • outages are available; • all major material is delivered to site (i.e., no costs are included for transport from storage); and • existing equipment to remain is functional. Exclude (as applicable): • discussions and negotiations of issued interconnection study; • application fees; • applicable surcharges; • overall project sales tax; • property taxes; • line switching; • property/easement acquisitions; • access roads and associated matting; • future operation and maintenance costs; • recurring monthly communications circuits’ charges, if any, responsible by the Interconnection Customer to the communications utility; • soil testing; • adverse field conditions such as rock, water, weather, and Interconnection Customer electrical equipment obstructions; • environmental mitigation; • extended engineering to minimize outage time or Connecting Transmission Owner’s public duty to serve; • extended craft labor hours, to minimize outage and/or construction time; • property transactions reviews associated with Interconnection Customer’s requests to occupy the Connecting Transmission Owner’s rights-of-way and/or fee owned property; or • any required permits. Cost adders estimated for overtime will be based on 1.5 and 2 times labor rates if required for work beyond normal business hours. Meals and equipment are also extra costs incurred for overtime labor.