What This Calculator Measures

Plan solar export timing versus self-use to maximize value from your system.

By combining practical inputs into a structured model, this calculator helps you move from vague estimation to clear planning actions you can execute consistently.

This calculator compares export revenue and self-use value for solar surplus.

How to Use This Well

Enter daily solar and usage.
Set export and self-use rates.
Choose export share and storage offset.
Review net value.
Tune export share for best value.

Formula Breakdown

Net value = export × rate + self-use × value

Surplus: production − usage.

Export: share of surplus.

Self-use: remainder + storage.

Worked Example

8 kWh surplus with 30% export = 2.4 kWh.
Self-use = 5.6 kWh + storage.
Net value combines both rates.

Interpretation Guide

Range	Meaning	Action
0–20%	Self-use heavy.	Maximize home value.
21–40%	Balanced split.	Mix export and self-use.
41–60%	Export forward.	Strong export window.
60%+	Export heavy.	Watch export rates.

Optimization Playbook

Increase self-use: use appliances mid-day.
Shift loads: use storage overnight.
Watch rates: update with utility changes.
Test scenarios: compare export shares.

Scenario Planning

Baseline: current export share.
Higher export: increase share by 10%.
More storage: add 2 kWh offset.
Decision rule: maximize net value.

Common Mistakes to Avoid

Using outdated export rates.
Ignoring storage impact.
Overestimating surplus.
Not revisiting share seasonally.

Implementation Checklist

Confirm utility export rates.
Track daily production.
Adjust export share quarterly.
Compare net value monthly.

Measurement Notes

Treat this calculator as a directional planning instrument. Output quality improves when your inputs are anchored to recent real data instead of one-off assumptions.

Run multiple scenarios, document what changed, and keep the decision tied to trends, not a single result snapshot.

Solar Export Timing Planner Calculator

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