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(GP/GT) for Additional Water Supply in the Lower Rio Grande

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Table 4. Discounted payback periods <strong>for</strong> various geopressured <strong>in</strong>tegrated<br />

facilities.<br />

15% Discounted 10 y NPV a<br />

Fac il i ty Type payback period (y) ($)<br />

Methane gas/br<strong>in</strong>e salts/bulk and<br />

bottled water/agriculture/aquaculture 4.0 5,800<br />

Methane gas/br<strong>in</strong>e salts/bulk and<br />

bottled water 4.3 4,355,000<br />

Electricity @ 6 cents/kWh/methane<br />

gas/bulk and bottled water 6.2 2,862,600<br />

Methane gas/br<strong>in</strong>e salts/bulk water 8.2 546,600<br />

Methane gas/agriculture/aquaculture >10.0 (19,000)<br />

Electricity @ 6 cents/kWh/methane >10.0 (1,511,400)<br />

gas/agriculture/aquaculture<br />

a. Net present value.<br />

56

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