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Add Open Energy Dataset star schema (README, table docs, dim/fact Parquet tables)
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metadata
type: Parquet
title: dim_asset
description: >-
  Monitored asset metadata including meter type, communication protocol, and
  stream dates
resource: ./dim/dim_asset.parquet
tags:
  - dimension
  - asset
  - metadata
timestamp: 2025-01-01T00:00:00Z/2025-12-31T23:59:00Z

dim_asset

One row per monitored asset. Source: AssetList.csv.

Column Type Description
asset_id VARCHAR PK. Anonymised asset identifier (e.g. ahu_a, p_b, mi_a)
asset_type VARCHAR Asset classification (e.g. HVAC_AHU, Press_Main, Electrical_GridImport)
em_manufacturer VARCHAR Energy meter manufacturer (Weidmuller, Rayleigh)
em_model VARCHAR Meter model (EM220, RI-F200, RI-F400)
em_communication_protocol VARCHAR Communication protocol (modbus_tcp_ip, modbus_rtu)
em_acquisition_pathway VARCHAR SCADA acquisition route (direct_modbus_tcp, gateway_modbus_tcp_to_plc, gateway_modbus_rtu_to_plc)
stream_start_utc TIMESTAMP First observation timestamp for this asset
stream_end_utc TIMESTAMP Last observation timestamp for this asset
is_submeter BOOLEAN TRUE for downstream consumer/distribution meters; FALSE for supply-level meters (mi_a, mi_b)

Row count: 43 assets

Asset type distribution:

Asset Type Count
Press_Main 9
Utilities 5
ProcessMixing 4
Press_Drive 4
HVAC_AHU 3
Electrical_Distribution 3
Automation_Robot 3
CompressedAir 2
HVAC_AirExtraction 2
HVAC_HeatPump 2
Press_Heating 2
Automation_Handling 1
Electrical_GridImport 1
Electrical_PVGeneration 1
Press_IntegratedAutomationCell 1