Starting application…
1. Client and utility data
BC Hydro CSV / XLSXTime-of-day windows: overnight discount from 11 p.m. to 7 a.m.; peak surcharge from 4 p.m. to 9 p.m. Basic daily charges are excluded because a battery does not materially change them. Tier allocation is estimated by billing cycle.
Upload hourly utility data
The importer looks for Interval Start Date/Time, Inflow (kWh), Outflow (kWh), and Net Consumption (kWh). It checks every worksheet.
Annual grid imports
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Baseline billed imports
Annual grid exports
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Available storage opportunity
Export hours
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Hours with net export
Baseline energy cost
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Energy charges less export credit
2. Energy story
Average grid imports and exports reveal when the existing solar system produces too early for the client’s load.
| Colour | Meaning | Interpretation |
|---|---|---|
| Purple | Grid import | Energy purchased from the utility. |
| Red | Grid export | Solar sent to the grid. |
| Battery charge | Export captured for later use. | |
| Battery discharge | Stored energy replacing grid imports. | |
| Additional solar | Estimated output from proposed expansion. |
3. Side-by-side comparison
Recalculates as assumptions change| Scenario | Imports | Exports | Energy cost | Annual savings | Payback | Grid reduction | Autonomy |
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4. BC Hydro rate comparison
Current system vs. 2-battery scenario| Rate plan | Current cost | With battery | Battery savings | Best fit |
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Upload data to compare rate plans.