Underwriting the Site Before You Build It
If insurability is a siting constraint, the discipline that follows is to underwrite the site before committing to it — to run the insurer's analysis on a location while it is still a candidate on a map, not after it is a building on a balance sheet. This inverts the conventional sequence, in which insurance is procured near the end of development once the design is fixed. By then every exposure decision has been made and the operator's only move is to accept whatever terms the location commands. Bringing the insurance question forward turns a passive procurement into an active input to site selection.
The method is to score candidate sites on the three levers, weighting exposure heaviest because it is the lever that cannot be changed later. Exposure assessment means reading each location the way a catastrophe underwriter does: flood risk from elevation and mapped flood zones, not from the seller's assurances; wildfire risk from surrounding terrain and vegetation as facilities push toward cheaper fringe land; wind, hail, and severe-storm frequency; seismic zoning; and the infrastructure exposures that shape loss frequency — the reliability of the grid connection and the security of the water supply. Two sites with identical power economics can carry materially different insurability once these are scored, and the difference belongs in the site-selection decision at the same altitude as power price and water rights, not as a footnote discovered later.
Protection is the lever that partly answers difficult occupancy and can soften some exposures, and here design choices made early are worth far more than the same choices retrofitted. Detection, clean-agent suppression, compartmentation, the isolation and protection of battery rooms, redundancy in power and cooling — deciding these at the design stage, to the standards the engineering-led insurers demand, is how an operator earns highly-protected-risk terms rather than negotiating up from ordinary ones. But protection has a ceiling that the practitioner must respect: it cannot suppress a flood or relocate a fault line. Excellent protection makes a well-sited facility exceptionally insurable; it cannot rescue a badly exposed one. The honest scoring exercise keeps these separate and does not let a strong protection story launder a weak exposure.
The institutional move that makes all of this real is bringing the insurer's engineers in early — at design and siting rather than at binding. Because the dominant insurers underwrite from physical inspection and issue prescriptive standards, engaging them while the site and design are still fluid converts their requirements from expensive late-stage corrections into cheap early-stage inputs. The engineering verdict on a candidate location, delivered before construction, is precisely the signal the course has been building toward: an informed judgement on whether a site is insurable on acceptable terms, and therefore on whether it should be built at all. An operator who obtains that verdict early can walk away from a site that would have become an uninsurable or under-insured liability, or can redesign to meet the standard before the design hardens.
The closing synthesis returns to the thesis. Power decides whether a facility can run; water decides whether it can cool; insurability decides whether anyone will stand behind it once it exists — and because insurability is dominated by exposure, and exposure is fixed at siting, the insurance question is a siting question. The practitioner's takeaway is to treat it as one. Score candidate sites for exposure with the rigour applied to power and water, design protection to the standard that earns the best terms, and bring the insurer's engineers into the decision while it can still change the outcome. The facility you can insure on durable terms is, increasingly, the only facility worth building — and that judgement is made at siting or not at all.