Technical FAQs 4

What is a stand-alone solar power system?

The stand-alone configuration uses solar and wind energy with pumped-storage hydropower (PSH) for energy storage and production, while also considering battery storage: SA1 (PV + Wind + PSH) and SA2 (PV + Wind + PSH + BESS).

Is solar power more efficient than a stand-alone system?

The grid-connected setup with solar power (GC1) is more efficient in meeting the total load demand compared to stand-alone configurations, producing 134 MWh for an annual consumption of 97 MWh, while grid energy imports are limited to peak winter months.

Can a microgrid be a smart hybrid energy solution?

A small community in the north of Portugal, Marruge, was selected as the site for the model implementation as a smart hybrid energy solution. As a model deployment, it was utilized to analyze a microgrid of a small energy community entirely isolated from the national electric grid (i.e., stand-alone) or grid connected.

How much energy does a wind power plant produce a year?

The annual wind energy production is 123 MWh, with a grid energy requirement of only 9.5 MWh to satisfy the load demand. Figure 14. GC2—Wind + PSH + Grid yearly balance: (a) energy balance, (b) water balance, (c)energy by sources, (d) power data, and (e) statistics (between percentile 25 and 75%). 3.3. Economic and Environmental Assessment

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