Preliminary Decommissioning Plan and Cost Estimate - Tamsin Ridge Solar and Storage Project

C-f3daa0fd5a · Page 2 of 2 · DR-0024 · 2023-03-20

The claim, in the assessor's words

The leases require separate security for each landowner, which the bond is intended to satisfy.

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The leases require separate security for each landowner, which the bond is intended to satisfy.

Source developer_document · Claim type constraint · Polarity presence · Confidence high · Quote check exact, 100 of 100

Cited by PE-06 Decommissioning and Financial Assurance · Filed under PE-05, PE-06

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Preliminary Decommissioning Plan and Cost Estimate - Tamsin Ridge 4. Cost estimate (2023 dollars) Item Cost Salvage or resale Net Modules and trackers $4.9 million $3.6 million $1.3 million Inverters, substation, collection system $1.8 million $1.1 million $0.7 million Battery enclosures and power conversion $2.3 million $0.8 million $1.5 million Piles, foundations, roads, fencing $1.5 million $0.4 million $1.1 million Site restoration, tile repair, seeding $0.6 million - $0.6 million Engineering, permits, contingency (10%) $0.5 million - $0.5 million Total $11.6 million $5.9 million $5.7 million Salvage values use 2023 scrap prices for steel, aluminum and copper and a conservative resale value for used modules. Scrap prices are volatile, and salvage could fall well short of these figures. 5. Financial assurance Northfold proposes a surety bond, posted before construction with the OPSB as obligee and with the landowners as additional beneficiaries, and recalculated every five years. The statute requires the bond to equal the decommissioning cost estimate; whether OPSB will accept the estimate net of salvage ($5.7 million) or require the gross figure ($11.6 million) has not been settled. The leases require separate security for each landowner, which the bond is intended to satisfy. 6. Plan updates The plan and the estimate will be finalized with the OPSB application, resubmitted at least 60 days before construction, and updated every five years of operation. Anika Tessmer, P.E. (Ohio), Project Engineer, Tessmer Coyle Engineering, Inc. Tessmer Coyle Engineering, Inc. - Job 2317 Page 2 of 2

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Page 2 of Preliminary Decommissioning Plan and Cost Estimate - Tamsin Ridge Solar and Storage Project

Other claims quoted on this page

C-303a605026
Decommissioning estimate in 2023 dollars is $11.6 million gross, $5.9 million salvage, $5.7 million net.
C-b508b5b110
Salvage values rely on volatile scrap prices and could fall well short of the estimate.
C-7f2ea3298c
Whether OPSB accepts the estimate net of salvage ($5.7 million) or requires gross ($11.6 million) has not been settled.