$2.5 Million / 4MWh in Euros/kWh
To convert $2.5 Million to Euros, we need to know the current exchange rate between USD and EUR. As of February 26, 2023, the exchange rate is approximately 1 USD to 0.82 EUR.

So, $2.5 Million is equal to 2.5 Million * 0.82 EUR/USD = 2.05 Million EUR.

Now, to calculate the cost per kWh, we need to divide the total cost (2.05 Million EUR) by the total energy (4 MWh):

Cost per kWh = 2.05 Million EUR / 4 MWh
Cost per kWh = 0.5125 EUR/kWh

Therefore, the cost is 0.5125 Euros/kWh.