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| Content Provider | Directory of Open Access Journals (DOAJ) |
|---|---|
| Author | Bogumił Nowak Anna Andrzejak Grzegorz Filipiak Mariusz Ptak Mariusz Sojka |
| Abstract | This paper presents the impact of flow changes in the Warta River and water management rules regarding the Jeziorsko dam reservoir on the energy production by the hydropower plant in the period 1995–2021. The Jeziorsko dam reservoir was built in 1986. It is the second largest dam reservoir in Poland in terms of surface area. In 1994, a hydropower plant with an installed capacity of 4.89 MW started operation. The study results show the average annual energy production from 1995 to 2021 at a level of 18,718 MWh. On the other hand, energy production largely changed from year to year, from 12,432 MWh (in 2019) to 26,916 MWh (in 2001). The droughts that have occurred in the Warta River basin over the past two decades have had a major impact on energy production. As a consequence of the drought, it was not possible to maintain the required water level in the reservoir. Moreover, a change in the rules for the reservoir's management that led to lower water levels in the reservoir by 1.5 m between April and June was important from the point of view of energy production. Improving the efficiency of energy production requires changing the rules of water management in the reservoir. More flexible reservoir operation schemes should be considered, including operational management based on meteorological and hydrological forecasts. Moreover, other criteria should also be considered, such as maintaining environmental flows, ensuring protection from flooding, and operating a nature reserve around the reservoir. |
| e-ISSN | 19961073 |
| DOI | 10.3390/en15207695 |
| Journal | Energies |
| Issue Number | 7695 |
| Volume Number | 15 |
| Language | English |
| Publisher | MDPI AG |
| Publisher Date | 2022-10-01 |
| Publisher Place | Switzerland |
| Access Restriction | Open |
| Subject Keyword | Technology Renewable Energy Hydroelectric Power Plant Dam Reservoir Flow Changes Reservoir Operation Rules Climate Change |
| Content Type | Text |
| Resource Type | Article |
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