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SDG&E says single larger undergrounding upgrade can halve long‑term cost in example
Summary
SDG&E presented a conceptual example showing a $2.5M single integrated undergrounding (larger conductor) vs. $4.7M if the work were done twice; SDG&E cautioned the figures are rough order‑of‑magnitude estimates and said local engineering judgment and RDF remain relevant.
SDG&E used a concrete illustrative case to show how integrated planning can reduce long‑term costs. Jan Stack described two alternatives: Alternative A would perform a wildfire‑mitigation undergrounding with a smaller conductor in year two and then replace conductor in year five, with capital costs of roughly $2.3 million and $2.5 million respectively (total…
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