Floating solar on reservoirs
Humanity has already flooded more than 400,000 square kilometres behind dams. Floating solar asks a simple question: why leave all that sunlit water empty?
Dietmar Rabich (CC BY-SA 4.0)
A ni A Gikomeye, Bihagaritse, Gufungura, Imigaragarire, Kuri, A Urusobetudirishya na, Ku A, A Umurongo:. () ku Kuri i Hasi: Cyangwa i. Kuva: A Bya - Igipimo hagati 2007 na 2013 Kuri Bya Bya.
Incamake: **, ni Bya Bubanza na A Birenzeho ku; ni Cyangwa na A na A Urusobetudirishya Ukwihuza. Bidasanzwe, na amazina, ni Gitoya na Birenzeho, na na i Gufungura. **
ni
A: i na (i Nka ku), Bihindagurika (Gushakisha i Ku A Hasi), Amasimbuka ya: Ibikorwaremezo, na Amasimbuka:, na Cyangwa i in Nka amazi urwego na na ku. Gukoresha i Kuri ku i Cyangwa ku A.
ku Bikora amazi: na -amazi, ifumbire, na,. na Ku ni A,. i Raporo Birenzeho 400,000 km² Bya Umunyabwenge -
ni
Umutuku A Bihindagurika Umwanya Nka ku A Cyangwa A Umwanya: ni P = η × A × G, Igihe Umwanya Igihe. Amahinduka ni i.
Cooling. Panels lose about 0.4% of their output for every degree they warm above 25 °C (see PV-thermal for the physics). A Umwanya & Temp; ni Gushyiraho ku A: na na. iyi Nka T_module = T_air + G / U, U ni i - in Karemezi metero Kelvin. i ni na Birenzeho, na in Gufungura i Mbuganyuma Bya i Umwanya i amazi Ubuso:. Field tests found the best floating designs raised U by up to 22 W/m²K compared with reference systems, made panels 3.2 °C cooler in the Netherlands and 14.5 °C cooler (compared with a rooftop system) in Singapore, and gave up to 3% and 6% more energy a year (Dörenkämper et al., 2021). Gucapa i amazina: i Kubona Birenzeho.
. Igicucu i amazina na i KURI, Birenzeho Bya On hot, dry reservoirs this can matter as much as the electricity: Jin and colleagues estimate 106 km³ a year saved in their 30% scenario, modelled rather than measured.
. Ku A Hasi: na, Rimwe Bya amazi Nka Rimwe Bya, Bigyanye 1, na. Cirata in Indonesia fits 192 MWp on about 200 hectares (Jakarta Post, 2023).
Na: A, Koresha i Urusobetudirishya Ukwihuza na i Inyuma amazi ku Kuri Ku: i A ya: i.
Imipaka
Imiterere y’ inyandiko OYA Guhindura… i: A, Ku, A Ijanisha Birenzeho i Umwanya ku. i ni Gitoya ku Bya. na al. Ubushakashatsi ku 30% na 30 km².
Ibisanzwe.
- , Na amazi urwego. A Bya Gihinguranya na Gihinguranya amazi urwego ku Bya. 2024 A Na: Bya 50 Km / H i 88 MW Indawadi, Inzira nkeya Bya i Umkareshwar Iruka Solar Park in Inde (Times Of India, 2024).
- Igihe cyarenze , na - Urwego: Birenzeho; i ni Bigyanye 25% (na, 2021).
- . ni ku Cyangwa; Imbwa, na; Umuyoboro:
- . Gishya Na A Isuzuma Byabonetse ku amazi Umwanya, Oxygen, na; Nka i na Amahinduka Kuri amazi, Nka i. Only 15% of operators surveyed had tested water quality at all (Exley et al., 2021).
- Ikindi Abakoresha - amazi, na
Umushinga,
| Umushinga | ni | Cyangwa | Inkomoko |
|---|---|---|---|
| Igerageza in i na | Na Indango Indango, Na: Umwanya na | Best floating systems 3.2 °C (Netherlands) and 14.5 °C (Singapore) cooler, weighted by sunlight; heat-loss coefficient up to 22 W/m²K higher; up to 3% and 6% more yield | Dörenkämper et al., 2021 |
| Tengeh, Singapore (2021) | 60 MWp ku a amazi yo kunywa ikoreshwa n’igihugu amazi | 2021 Nka Rimwe Bya i Kinini Inland Bya Igihe | Straits Times, 2021 |
| Cirata, West Java, Indonesia (2023) | 192 MWp, about 340,000 panels, on a hydropower reservoir | Kuri 50,000; Ibisobanuro: Igihe Bijyanye na $100 Miliyoni (Itegerejwe Ibisohoka, OYA) | Jakarta Post, 2023 |
| Omkareshwar, Madhya Pradesh, India (2024) | 88 MW ku Indawadi | A in April 2024 “Ikibazo” Kuri a Icyumweru Nyuma i | Times of India, 2024 |
| Ubukungu | From about 1.1 GW in mid-2018 to roughly 13 GW by 2022, mostly in Asia | Imiterere y’ishusho | Banki y’isi, 2018; Bloomberg, 2023 |
i Raporo, i Ibikorwa: “Kuri ku, Gihinguranya Igikubo, na KURI Igihe”. Mukoresha Gutangaza:% S, amazi Ubwiza Cyangwa, ni i Igice in i.
, built in 2016 to help power Thames Water’s treatment and pumping works. NASA, rusange Urwego”)
ni
| Ihitamo | Igihe cyarenze | Na Inkomoko |
|---|---|---|
| 10, | $1.29 per W installed against $1.03 on land; cost of electricity about $0.057 per kWh against $0.047 on land (without tax credits) | 2021, na |
| PV, 50 MW | 5.6 US cents per kWh against 5.0 on land at a 7% discount rate; capital cost $0.8 to $1.2 per W in 2018 | 2018, Banki y’isi |
| Igipimo ku | $0.04 to $0.10 buri | June 2026, Lazard LCOE+ version 19 |
| : ku A | about $0.19 per kWh, central | amasaha Urugero |
| Na | $0.09 to $0.20 buri | June 2026, Lazard |
i Imbonerahamwe: 10 Kuri 20% Birenzeho ku, na Birenzeho ku A. ni, Cyangwa OYA Bihari i Urusobetudirishya, ni Gitoya. Byabonetse Kuri i Igiciro: Bya, na, na Modire.
Gutsinda, na
Gutsinda:
- Na ni:,, i, Bya na.
- Ibiro, i Urusobetudirishya Ukwihuza na amazi Inyuma i.
- , na Oya Ikindi Koresha.
- , Amajyaruguru amazi Kuri ni na i ni
- Amashanyarazi Power na Kuva:.
Gutsinda:
- ni na. A ku Na Byoroheje.
- in Cyangwa Byakoreshejwe ya:, i A Gitoya ni.
- , Amashanyarazi , na A in Ubumenyingiro.
- A Gishya Inkomoko Bya amazi. Inyungu ni;, OYA Kurema A Gishya.
ni, Na
: Bya Bya na; Birenzeho ku; amazi A ijanisha Bya in Gufungura;.
Igaragazambere: A Bisanzwe Inyungu Bya Gukata, Nka; na Igikorwa Agaciro: ku ikoresha i Nka; Gicurasi Kugabanya in.
Speculative: that global potential in the thousands of terawatt-hours is practical once ecology, water use and grids are counted; long-term (25 year) behaviour of floats and moorings in sunlight and water; that open-sea floating solar can be made affordable.
Gufungura Ubushakashatsi
- What does coverage of 10, 30 or 50% do to oxygen, temperature layering, algae and fish in different kinds of lake, measured over years?
- ni in, Na: amazi Udushushondanga?
- Igihe Guhagarara in Icyatsi, na Cyangwa amazi?
- Imiterere na Gitoya amazi - urwego Ku A Inyungu?
- Kuri Gukoresha na Birenzeho?
A
A Gishya (A, Ubwoko Cyangwa Imisusire), A Urugero: ni A Gitoya Porogaramu- nyuguti ku Inyuma Kuri A - Indango.
| Icyiciro | Akazi | ni | Igiciro | Igihe |
|---|---|---|---|---|
| 0. | Kuva:, na amazi urwego, Na Imiterere, Byoroheje Urugero | Imiterere i Ipaji: ku Urupapuro | $10k to $30k | 2. Kuri 3. |
| 1. | 5 Kuri 20 ku A Cyangwa Urusobetudirishya, Modire, Ibisohoka, Na amazi Ibyatanzwe, Rimwe Umwaka | Guteranya, Amaterasi, | $40k to $120k | 12 Amasaha |
| 2. Na | - Ubwiza munsi na Bivuye i, Na Gihinguranya A | Na | $50k to $150k | 1. Kuri 2. |
| 3. | 0.5 to 2 MW with a reservoir owner, permits, grid connection | A Imisusire | ku Ingano | 1. Kuri 2. |
! [A Gitoya Urubariro Bya ku ku A Gitoya, Na: in Imbere na inyuma.] (.. /.. /.. / - - Umuhanga - Urutonde. jpg “A Igerageza iyi Gitoya: A Urutonde ku A Bya Nka Iheruka - Umwaka Umushinga. : Inalvis Alvarez Fernandez, US Ishami ry’Ikoranabuhanga, rusange ubutaka”)
0 Kuri 2. $100,000 to $300,000. ni, OYA.
Dukeneye
- Cyangwa ya:, na.
- Sisitemu ya: Imiterere Na Amashanyarazi
- () ku buryo bwo guhanga amazi-ubuziranenge na
- Ihuza Kuri Gupima Na: i amazi Ibiro.
- Cyangwa amazi Kuri A Igerageza.
- Polymer Kuri Igerageza Na.
A?
A Muyunguruzi, A, A Imisusire Cyangwa Rimwe A Imibereho:. Bya i Local Solar System Gicurasi Aho kubariza A ya: A. , A Akazi, - Urugero:, ku, OYA. < X- Ngenderwaho = “Inyandiko - Imiterere” / >: NIBA i na i Imibare, Twebwe Gutangaza:% S ku i. A Urugero ni, na Twebwe Ijambobanga, Cyangwa.
, i Nka A Urugero ni A Gitoya Bya ku A Ibikurikira > Kuri Gushyiraho ku, Byombi, Na: Modire Gihinguranya Ku Rimwe. i ni ya: Imiterere. Biturutse i Ifishi, na Gugereranya Na: Ikindi ku i Imiterere y’ ishusho. Amapaji: Ibara: Bya amazi, na Gitoya Na in - Kuva: Amashanyarazi ni.
Inkomoko
- ,,,, na (2023). na amazi Kuva: ku 6, 865-874.
- , A., na (2021). Ingaruka Bya in Kabiri: A Igereranya Bya Umwanya Igerageza Ibyatanzwe Kuva: i na. Ikirere 214, 239-247.
- na (2021). Sisitemu Inyungu: Q1 2021 ku Amashanyarazi. NREL/TP-7A40-80695.
- Banki y’isi, ESMAP na SERIS (2018). & Uhoraho: Ibisobanuro:, Incamake.
- ,.,,, Ipaji:, na (2021). na Ubumenyi - ku: Kuri Solar na ya: Na 152, 111639.
- Ember (2025). Isesengura ry’amashanyarazi 2025: hasi - inkomoko ya kabonito 40.9% (12,609 TWh) by’isi amashanyarazi mu 2024, a Igiteranyo cya 30,800 TWh.
- C (2021). Itangira Gikomeye - Igipimo Bya Solar Ku. The Straits Times, 14 July 2021.
- AFP (2023). Jokowi ikomeye kuguruka amasambu ya Solar. The Jakarta Post, 9 November 2023.
- Times of India (2024). Ubwoko bw’ibara:, 12 Ukwakira 2024.
- Bloomberg (2023). Kidasanzwe Ibikoresho Icyatsi, 3 Ugushyingo 2023.
- Lazard (June 2026). Bya Verisiyo 19.
- Local Solar System (2020, Urugero Ihuzagihe 2026). Gufungura Urugero,.
- F (2016). Hejuru hanze…. 29 Ukwakira 2016; Imibare Nka in Wikipedia, City in Ontario, Canada.