Path-Q Solar
Can a solar array be split between a house and a detached workshop without separate monitoring?
Answer
Often, yes, but the answer depends on how the buildings are electrically connected, where the inverter or inverters are located, and what monitoring architecture is used. A single monitoring account or gateway may combine data, while separate meters, long feeder runs, or different equipment may require additional monitoring devices.
Key points
- The array can be electrically divided across buildings if the system design, wiring, protection, and service configuration support it.
- Combined monitoring may show total production without separately identifying each building's contribution.
- Separate building loads may still require additional consumption monitoring if the owner wants building-level analysis.
What it depends on
- Distance and electrical connection between buildings
- Service panels, feeders, grounding, and disconnect locations
- Inverter and monitoring-system capabilities
- Whether production or consumption must be measured by building
- Communications availability between equipment and the monitoring portal
Risks and trade-offs
- A combined view can reduce equipment and complexity but may hide faults or usage differences by building.
- Long runs can add voltage-drop, trenching, protection, and maintenance considerations.
- Multiple meters or services may change design, approval, and billing treatment.
Information you may need
- One-line diagram and service configuration
- Building distances and proposed equipment locations
- Desired level of production and consumption monitoring
- Inverter and gateway monitoring specifications
Your next step
What to do next
Ask for a one-line design showing both buildings and a monitoring diagram that states exactly what data will be combined or separated.
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SQ02867