Energy & HeatOperating

District hot-water pre-heat

Uses reject heat to pre-warm municipal hot-water supply, lowering the energy the district utility must add downstream.

Open planner →Cost bandMediumIllustrative Example

Where it applies

Applicability of District hot-water pre-heat across climate, water stress, land context, and community scale.
ClimateColdapplicableTemperateapplicableAridnot applicableTropicalnot applicable
Water stressLowapplicableMediumapplicableHighapplicable
Land contextGreenfieldapplicableDegradedapplicableBrownfieldapplicableUrbanapplicable
Community scaleRuralnot applicableTownapplicableMetroapplicable

Five Capitals contribution

  • Natural1
  • Human0
  • Social2
  • Built3
  • Financial1

0–5 illustrative weighting of how this intervention builds each capital. Illustrative Example.

PrecedentOperating

Verified operating project(s), externally cited.

Open District Heating supplier model (Stockholm)

Case studies1

Open District Heating pre-heat

Operating

Stockholm Exergi · Stockholm, Sweden

FigureValueSource
Modelutility buys recovered heatmedium conf.Open District Heating (citation)

Stockholm’s Open District Heating market lets data centers sell pre-heat into the municipal hot-water system.

How it maps hereOPERATING; complements E1 where full district heating is unavailable.

Sources

  • Open District Heating supplier modelStockholm Exergi

Illustrative model. The Regen Data Center is an educational reference model. Figures shown are either externally cited or tagged as illustrative examples; interactive outputs are illustrative and not offers, financial advice, or guarantees. Operating, announced, and proposal precedents are labeled distinctly throughout. Nothing here recognizes, certifies, or constitutes a VLAS-verified asset.

Regen Data Center · v0.15.1