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13 Visualization of the energy management

SMA Solar Technology AG

Operating manualHM-20-BE-en-1990

Requirements for displaying this page:

☐ The data request interval must be set to Automatic (see Section11.3.9, page59).

Figure 17: Display: left Option I and right Option II (examples)

The displays Option I and Option II contain the following current data:

Designation Explanation

PV Generation Currently generated power of your PV system

Consumption (total con-

sumption)

Power that your household is currently drawing from your PV system, the utility grid and

the battery

for Option II: The colors visualize which portion of the consumption is currently made

up of purchased electricity, direct consumption (PV system) and battery discharging.

Grid supply Power that your household is currently drawing from the utility grid.

for Option I: red

Grid feed-in Power that your PV system is currently feeding in to the utility grid.

If your system is generating more power than your household needs at the moment or

can be stored in the battery, the surplus power is fed into the utility grid.

for Option I: blue

Self-consumption Power that your household is currently drawing from your PV system (direct consump-

tion) and, if applicable, power/energy being stored into the battery from your PV sys-

tem.

for Option I: green

Self-consumption quota Current ratio of self-consumption to PV power.

Self-sufficiency quota

Only option II

Current ratio of internal power supply to total consumption

Internal power supply: Power that your household is drawing directly from your PV sys-

tem (direct consumption) and, if applicable, from the battery (battery discharging).

In systems without batteries, the self-consumption is the same as the internal power sup-

ply.

Only displayed for systems with battery:

Battery charging Power that is being currently charged from your PV system into the battery

Battery discharging Power that your household is currently drawing from the battery

Battery state of charge Current state of charge of the battery in percent, in relation to the battery capacity

SMA HM-20 User Manual

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