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Energy Storage for Peak Shaving -- issues


CleantechPro
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Hi, I ran a few simulations for a stand-alone ground-mount solar system with about 6 MW_dc solar/PV DC rating (without any energy storage) with success.

Later on, I added a properly sized energy-storage unit (BESS) to capture the excess generation during peak generation instances, and discharge those excess generation (which would otherwise be lost w/o BESS) into the grid during off-peak hours.

While the simulation ran with success, EBatDis in the PVsyst report has remained nearly 0 for all months (i.e. the BESS hasn't really been utilized at all).
I understand that PVsyst's storage facilities/capabilities are rather limited that but this simple case should have worked with PVsyst.

Any help would be appreciated. Thanks.

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