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- ({{ initial.batteries|length }} batteries · {{ initial.elapsed_seconds }}s · total solar surplus: {{ '%.0f' % initial.total_surplus_kwh }} kWh/yr)
+ ({{ initial.batteries|length }} batteries · {{ initial.elapsed_seconds }}s · capturable surplus (= grid exports without a battery): {{ '%.0f' % initial.total_surplus_kwh }} kWh/yr)
@@ -134,8 +134,8 @@
LP €/yr
Honest year-1 savings from our linear-program oracle (perfect 24h foresight).
LP yr
Years until cumulative savings (with the chosen inflation rate) recoup the battery cost.
10-yr net
Total profit over 10 years: cumulative savings (compounded by inflation) minus the battery cost. Red = doesn't break even within 10 yr.
-
kWh capt
kWh of available solar surplus the battery actually absorbed over the year.
-
% capt
That, as a percentage of the scenario's total surplus (shown in the heading).
+
kWh capt
kWh of capturable surplus (i.e. of grid exports that would happen without a battery) that this battery absorbs.
+
% capt
That, as a percentage of the scenario's capturable surplus shown in the heading. Note: the denominator is exports, not gross PV — solar that's directly self-consumed during sunny hours never crosses the meter and is invisible to a battery.
% full
Of all surplus hours, the % when the battery was already full and couldn't store more — capacity-bottlenecked.
% sat
Of all surplus hours, the % when charging was pegged at max kW and couldn't keep up — power-bottlenecked.