Poland simplifies rules for home battery connections
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Poland’s government amended its Renewable Energy Sources Act to allow households to connect home batteries to solar power systems more easily.
Starting December 1, the power of a connected battery will not count towards the total installed power of a micro-installation if the battery’s power is no more than 2.2 times the power of the PV system. Previously, battery power only qualified for exclusion if it matched the PV system’s power, creating a 1:1 limit.
This change allows homeowners with a 10 kW solar system to connect a battery with up to 22 kW of rated power, though combined energy feed-in must stay below the solar system’s rating. The new law also requires electricity sellers to provide prosumers, consumers who also produce energy, with more detailed monthly reports on energy usage and payments.
The Sejm passed the amendment with strong support and anticipates connected storage power could reach 3.7 GW by 2029 if 20% of new solar power customers adopt batteries under the new rules. This follows a decision in June to roll back building regulations that would have limited battery storage and the launch of a $256.9 million subsidy program for home storage.
