Path-Q Solar
Is solar likely to be a good fit for a business whose electricity demand changes substantially by season?
Answer
It can be, but seasonal demand requires a month-by-month and, ideally, time-of-use analysis. Solar is generally more valuable when production coincides with the business's consumption or when exports receive favorable value; a business with high demand in low-production months may need efficiency, different system sizing, or other measures.
Key points
- Compare seasonal load with seasonal solar production rather than using annual kWh alone.
- Businesses operating during daylight may self-consume more solar than those with mainly evening or seasonal demand.
- Demand charges can make the timing and peak reduction of solar important in addition to annual energy.
- A smaller system may be preferable if additional production would mostly be exported at lower value.
What it depends on
- Monthly and interval business load
- Operating hours and seasonal schedule
- Demand charges, energy rates, and export treatment
- Available roof area, system size, and any storage or load-management options
Risks and trade-offs
- Annual energy offset can overstate savings when seasonal demand and production do not align.
- Sizing for the highest seasonal load may create excess production during the rest of the year.
- Business expansion or closure can materially change the result.
Information you may need
- At least a year of complete bills and interval data if available
- Seasonal operating schedule and planned changes
- Current tariff, demand-charge, and export details
- Solar production and system-size options
Your next step
What to do next
Request a seasonal commercial model showing energy savings, demand effects, exports, and sensitivity to changes in operating schedule.
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Some details may depend on your location, installer, utility, incentives, regulations, or specific property.
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