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Vytautas Dagilis, Liutauras Vaitkus
Combined heat pump and water-power plant at Kaunas Lagoon
| Conference Information: |
9th International Conference on Environmental
Engineering, MAY 22-24, 2014 Vilnius, LITHUANIA |
| Source: |
ICEE-2011 - International Conference on Environmental
Engineering |
| Book Series: |
International Conference on Environmental Engineering
(ICEE) Selected papers |
| ISSN: |
ISSN 2029-7092 online |
| ISBN: |
978-609-457-640-9 / 978-609-457-690-4 CD |
| Year: |
2014 |
| Publisher: |
Vilnius Gediminas Technical University Press Technika |
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Abstract
Heat pump plants for district heating are one of the renewable energy technique as well as the means to make modern power grid more
flexible. The combined heat pump and power plant presented in this work corresponds both of the objectives. High coefficient of
performance of the heat pump and low price of the off-peak electricity of the water-power plant ensures low heat price. The reservoir of
20000 m3 is needed for hot water accumulation. Economic analysis revealed that the expected heat price is much lower when compared
with the price of modern condensing boilers fuelled by wood chips. This ensures fast payback of investment.
Keywords: heat pump; water power plant; heat accumulation.
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