AgdaPkt 2015-03-23 Closed and Joint SA PFA

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8.A. - Page 119 Exhibit B. Engineering and Construction Requirements 3.5.21 Interconnection Seller is responsible for obtaining all necessary PG&E interconnection approvals for each PV system being installed. Seller must comply with all interconnection requirements, such as CPUC Rule 21 for the PG&E service territory.Seller is responsible for the proper planning and scheduling of interconnection approvals. Systems installed as part of this project will take advantage of Net Energy Metering (NEM), unless specified otherwise by Buyer or its agents. Seller shall be responsible for ensuring the system design and interconnection qualifies for NEM, as applicable. 3.5.22 Production Modeling Production modeling of the PV systems shall be performed using PVSYST or equivalent modeling software using TMY3 weather data for the location closest to the site. The simulations shall accurately simulate energy production for proposed system layouts, sizes, and orientation. It is critical that PV production models are accurate with all methodology and assumptions described. The Buyer will independently verify production models are accurate to the designed • systems and utilize simulation results for economic evaluations. Seller shall be responsible for updating the production models each time sufficient changes are made to the proposed system designs that will impact production. 3.5.23 Shading Seller shall adhere to the following requirements in order to avoid excessive shading on modules. For any object near an array that is higher than the lowest point of that array by height H, Seller shall locate the array farther from the object than: • 2H to the North of the object • 2H to the East or West of the object • 2H to any non-cardinal direction of the object Any Seller whose system design does not adhere to these rules shall perform a shading analysis justifying the basis for their design, including any proposed tree removal, and explaining why shading does not create an adverse performance and/or economic impact. Any trees that are in the footprint of systems to be installed by the Seller shall be removed by the Seller at their expense, subject to the approval of the Buyer. A tree shall be considered to be in the footprint of a system if its canopy would extend over any part of the system, including structural components or modules. The Buyer will remove or prune, at its discretion, trees planted outside of the work area that shade PV systems (at present time or in the foreseeable future), provided the Seller identifies these trees during the design process. The Seller shall be responsible for any required tree remediation efforts resulting from tree removal that is deemed the Seller's responsibility. Exhibit B Page 19