{{Short description|Electricity generation system}} A '''solar generator''' is a portable system that captures energy from sunlight using photovoltaic (PV) panels and stores it in a battery for later use. These systems are typically used as alternative or backup power sources in off-grid settings, emergency situations, and outdoor activities.<ref>{{Cite news |last=air |date=2025-07-16 |title=How to Pick a Solar Panel and Battery Backup System |url=https://www.nytimes.com/wirecutter/guides/choosing-a-solar-panel-and-backup-battery/ |access-date=2025-08-27 |work=The New York Times |language=en-US |issn=0362-4331}}</ref> Unlike fuel-based generators, solar generators operate silently and without emissions, making them an environmentally friendly energy solution.<ref>{{Cite web |title=Solar energy and the environment - U.S. Energy Information Administration (EIA) |url=https://www.eia.gov/energyexplained/solar/solar-energy-and-the-environment.php |access-date=2025-08-27 |website=www.eia.gov}}</ref>
== Overview == Solar generators typically consist of four primary components:
* Solar panels – to capture sunlight and convert it into electricity.<ref name=":0">{{Cite journal |last=Singh |first=G. K. |date=2013-05-01 |title=Solar power generation by PV (photovoltaic) technology: A review |url=https://www.sciencedirect.com/science/article/pii/S0360544213001758 |journal=Energy |volume=53 |pages=1–13 |doi=10.1016/j.energy.2013.02.057 |bibcode=2013Ene....53....1S |issn=0360-5442|url-access=subscription }}</ref> * Charge controller – to regulate the voltage and current coming from the panels.<ref name=":0" /> * Battery – usually lithium-ion or lithium iron phosphate (LiFePO4), to store the generated energy.<ref name=":0" /> * Inverter – to convert the stored direct current (DC) into alternating current (AC) for powering standard appliances.<ref name=":0" /> The term "solar generator" is often used in consumer markets to describe these self-contained systems, as they intend to compete with and/or replace traditional generators that require fuel. Though technically they are portable photovoltaic power systems with energy storage.<ref>{{Cite journal |last=R.Prathiba |first=Suresh |date=May 2022 |title=Design and Development of Portable Stand- Alone Solar Power Generator |url=https://www.researchgate.net/publication/360834488 |journal=Loyola-Icam College of Engineering and Technology}}</ref>
Solar generators are used in a wide variety of contexts, including: * Residential backup power – during grid outages.<ref>{{Cite news |date=2024-06-14 |title=How to power your home through an outage without a gas generator |url=https://www.washingtonpost.com/climate-solutions/2024/07/14/solar-generator-battery-power-outage/ |newspaper=Washington Post}}</ref><ref name=":3">{{Cite web |last=Cooney |first=Scott |date=2025-04-16 |title=Do You Really Need Two Generators? |url=https://cleantechnica.com/2025/04/16/do-you-really-need-two-generators/ |access-date=2025-08-30 |website=CleanTechnica |language=en-US}}</ref> * Recreational use – camping, RVing, and tailgating.<ref name=":3" /> * Remote locations – powering devices in areas without grid access.<ref name=":2" /> * Emergency preparedness – for disaster relief and survival kits. * Construction and outdoor work sites as silent, emission-free energy sources.<ref>{{Cite web |last= |date=2023-03-08 |title=6 Ways Solar Power Can Be Used On Construction Sites |url=https://www.nccer.org/newsroom/6-ways-solar-power-can-be-used-on-construction-sites/ |access-date=2025-08-30 |website=NCCER |language=en-US}}</ref>
=== Power station === Solar generators without the ability to generate electricity via solar, are referred to as (portable) power stations (PPS). They typically have significantly higher input, output and storage capacity compared to power banks.<ref>{{Cite web |title=Portable Power Station vs Solar Generators: The Differences {{!}} EcoFlow US |url=https://www.ecoflow.com/au/blog/portable-power-station-vs-solar-generator |access-date=2025-10-13 |website=EcoFlow |date=24 June 2025 |language=en-AU}}</ref> They are charged by power brick, cigarette socket and/or car fast charger (hardwired to alternator).<ref>{{Cite AV media |url=https://www.youtube.com/watch?v=saJ44O4A7bg |title=DJI Power Super Fast Charger｜Car Scenario |date=2024-11-26 |last=DJI Tutorials |access-date=2025-10-13 |via=YouTube}}</ref>
=== Plug-and-play solar === Also known as balcony solar, are solar generators and/or portable power stations that backfeed into a regular household wall outlet. Charged via solar panels and/or grid power (when the price is low). They are illegal in many countries and areas as backfeeding requires council approval, fixed (permanent) connection to the grid, metering, centralised control and/or installation by licensed electrician.<ref>{{Cite web |title=All-In-One Plug-And-Play Solar Panels : Be Wary |url=https://www.energymatters.com.au/renewable-news/integrated-solar-panels-em5684/}}</ref><ref>{{Cite news |last=Matters |first=Energy |date=2012-07-15 |title=What Is A 'Plug And Play' Grid Tie Solar Inverter? |url=https://www.energymatters.com.au/renewable-news/plug-in-grid-connectsolar-inverters/ |archive-url=http://web.archive.org/web/20240527064820/https://www.energymatters.com.au/renewable-news/plug-in-grid-connectsolar-inverters/ |archive-date=2024-05-27 |access-date=2026-03-03 |work=Energy Matters |language=en-US}}</ref>
== History == The origin of solar-powered generators dates back to the broader development of solar photovoltaic technology (also known as PV system).<ref>{{Cite journal |last1=Jones |first1=Geoffrey |last2=Bouamane |first2=Loubna |date=2012-05-12 |title="Power from Sunshine": A Business History of Solar Energy |url=https://www.hbs.edu/ris/Publication%20Files/12-105.pdf |journal=Harvard Business Journal}}</ref><ref name=":4">{{Cite web |title=North American Essential Home Backup Industry White Paper |url=https://img.frostchina.com/attachment/17489664/1o8QiXtaJiPNFXL4Q9pfnJ.pdf |website=Frost & Sullivan|date=June 2025|archive-url=https://web.archive.org/web/20251211074849/https://img.frostchina.com/attachment/17489664/1o8QiXtaJiPNFXL4Q9pfnJ.pdf|archive-date=December 11, 2025|url-status=dead}}</ref> Solar-powered generators began to develop as solar panel technology improved. The space industry first used solar power because it needed light and reliable energy for satellites, which later helped bring solar technology down to Earth for everyday use.<ref name=":1">{{Cite book |last=Perlin |first=John |url=https://books.google.com/books?id=IlQyronardUC&q=Perlin,+J.+(1999).+From+Space+to+Earth:+The+Story+of+Solar+Electricity.+Harvard+University+Press.+ISBN+9780674002289. |title=From Space to Earth: The Story of Solar Electricity |date=2002 |publisher=Harvard University Press |isbn=978-0-674-01013-0 |language=en}}</ref>
The first practical silicon solar cell was developed in 1954 by Bell Labs, marking the beginning of modern solar power applications. It achieved an efficiency of about 6 percent and laid the groundwork for modern photovoltaic systems.<ref>{{Cite web |last=Gambino |first=Megan |title=Document Deep Dive: The Patent for the First Practical Solar Cell |url=https://www.smithsonianmag.com/innovation/document-deep-dive-patent-first-practical-solar-cell-1-180947906/ |access-date=2025-08-27 |website=Smithsonian Magazine |language=en}}</ref> However, it was not until the late 20th and early 21st centuries that compact solar generators became commercially viable due to advancements in battery storage and solar panel efficiency.<ref name=":1" /><ref name=":2">{{Cite book |last=Boyle |first=Godfrey |url=https://books.google.com/books?id=s9IeAQAAIAAJ&q=Boyle,+G.+(2004).+Renewable+Energy:+Power+for+a+Sustainable+Future.+Oxford+University+Press.+ISBN+9780199261789. |title=Renewable Energy: Power for a Sustainable Future |date=1996 |publisher=Oxford University Press |isbn=978-0-19-856452-2 |language=en}}</ref>
The concept of storing solar energy for off-grid use gained traction in the 1970s during the global energy crisis, which spurred interest in alternative energy technologies. Early adopters included the military and scientific communities, particularly for powering remote monitoring equipment and field operations.<ref>{{Cite book |last1=Balfour |first1=John R. |url=https://books.google.com/books?id=rfH6EAAAQBAJ&dq=Messenger,+R.+A.,+%26+Ventre,+J.+S.+(2010).+Photovoltaic+Systems+Engineering.+CRC+Press&pg=PA267 |title=Photovoltaic (PV) System Delivery as Reliable Energy Infrastructure |last2=Morris |first2=Russell W. |date=2024-04-01 |publisher=John Wiley & Sons |isbn=978-1-119-57119-3 |language=en}}</ref><ref>{{Cite book |last1=Nathwani |first1=J. |last2=Chen |first2=Z. |last3=Case |first3=M. P. |last4=Collier |first4=Z. A. |last5=Roege |first5=Col. P. E. |last6=Thorne |first6=S. |last7=Goldsmith |first7=W. |last8=Ragnarsdóttir |first8=K. V. |last9=Marks |first9=P. M. |last10=Ogrodowski |first10=M. |date=2014 |editor-last=Linkov |editor-first=Igor |chapter=Sustainable Energy Pathways for Smart Urbanization and off Grid Access: Options and Policies for Military Installations and Remote Communities |series=NATO Science for Peace and Security Series C: Environmental Security |title=Sustainable Cities and Military Installations |chapter-url=https://link.springer.com/chapter/10.1007/978-94-007-7161-1_12 |language=en |location=Dordrecht |publisher=Springer Netherlands |pages=229–261 |doi=10.1007/978-94-007-7161-1_12 |isbn=978-94-007-7161-1|chapter-url-access=subscription }}</ref>
Although basic solar power kits were available in the 1980s and 1990s, the emergence of integrated, consumer-grade solar generator systems began in the early 2000s. These systems were designed to provide portable power for applications such as camping, recreational vehicles (RVs), and residential backup during grid outages. Market demand for off-grid and emergency power solutions contributed to the gradual growth of this segment.<ref>{{Cite web |last=W |first=Anthony |date=2024-10-28 |title=The Evolution of Solar Generators: Past, Present, and Future Uncovered |url=https://portablepowerroundup.com/evolution-solar-generators-past-present-future/ |access-date=2025-08-30 |language=en-US}}</ref><ref name=":4" />
== Products == {{AI-generated|date=February 2026}} Companies in the power station and solar generator market include:<ref>{{Cite web |date=2025-10-30 |title=The Best Portable Power Stations of 2025, Tested and Reviewed |url=https://www.bobvila.com/reviews/best-portable-power-station-2025/ |access-date=2025-12-05 |website=Bob Vila |language=en-US}}</ref>
* Goal Zero (founded in 2009) – A U.S.-based company that gained popularity with its Yeti series of portable solar generators. It emerged after its founder, Robert Workman, explored solar solutions for humanitarian aid in the Democratic Republic of Congo.<ref>{{Cite web |last=Branch |first=Ben |date=2025-03-23 |title=Off-Grid Power Source: The Goal Zero Yeti Portable Solar Power Station |url=https://silodrome.com/goal-zero-yeti-portable-solar-power-station/ |access-date=2025-12-05 |website=Silodrome |language=en-US}}</ref><ref>{{Cite web |last=Michaelis |first=Todd R. |title=Lighting a Village |url=https://magazine.byu.edu/article/lighting-a-village/ |access-date=2025-12-05 |website=Y Magazine |language=en-US}}</ref>
* Renogy (founded in 2010) – Originally a Louisiana State University project, Renogy expanded into providing modular solar kits and generators tailored to off-grid and van-life communities.{{Citation needed|date=February 2026}}
* Jackery (founded in 2012) – Known for its line of lithium-powered portable generators paired with foldable solar panels.<ref>{{Cite web |last=Etherington |first=Darrell |date=2020-10-28 |title=Jackery Explorer Power Station, SolarSaga Solar Panel review |url=https://techcrunch.com/2020/10/28/jackerys-solar-generator-system-helps-you-collect-and-store-more-than-enough-juice-for-off-grid-essentials/ |access-date=2025-12-05 |website=TechCrunch |language=en-US}}</ref><ref name=":4" /> As of 2025, Jackery had sold over six million products worldwide.<ref>{{Cite web |last1=Bellah |first1=Kevin |date=2025-04-30 |title=Jackery: Leading The Charge In Portable Solar Energy |url=https://geekinsider.com/jackery-leading-the-charge-in-portable-solar-energy/ |access-date=2025-12-05 |language=en-US}}</ref><ref>{{Cite web |title=Jackery Is Using Portable Solar Energy to Power a Sustainable Future |url=https://www.msn.com/en-us/technology/renewable-energy/jackery-is-using-portable-solar-energy-to-power-a-sustainable-future/ar-AA1DS4to |access-date=2025-12-05 |website=www.msn.com}}</ref> Their product also could be found in major retailers like Home Depot.<ref>{{cite journal |last1=Ma |first1=Y. |last2=Zhang |first2=L. |year=2021 |title=Consumer Trends in Portable Solar Technology |journal=Energy Technology Perspectives |volume=15 |issue=3 |pages=56–62}}</ref><ref>{{Cite web |last=Ricker |first=Thomas |date=2025-01-07 |title=Jackery's Solar Roof announced alongside a fast car charger and new solar generator |url=https://www.theverge.com/2025/1/7/24338032/jackerys-solar-roof-dc-to-dc-car-charger-generator-price-specs-date |access-date=2025-12-05 |website=The Verge |language=en-US}}</ref>
* Huawai (entered the PV market in 2012) – Huawei’s EHB offers integrated clean energy solutions, featuring smart string inverters and energy storage systems. These products are widely used for household energy management and as backup power in emergencies.<ref name=":4" /> * New Use Energy - Provides off-grid solar generators for a variety of uses from military operations to film productions.<ref>{{Cite web |title=New Use Energy and King Kong Trailers Join Forces to Pave the Way for |url=https://newuseenergy.com/blogs/news/new-use-energy-and-king-kong-trailers-join-forces-to-pave-the-way-for-sustainable-power-solutions-in-film-and-tv-production |access-date=2026-05-14 |website=New Use Energy |language=en}}</ref><ref>{{Cite web |title=Sustainability Vendors |url=https://sustainable-entertainment.com/vendors |access-date=2026-05-14 |website=Sustainable Entertainment Alliance}}</ref><ref>{{Cite web |date=21 August 2025 |title=Power and Portability Meet Toughness. New Use Energy Unveils the Revolutionary 605 SunCase™: Ultra-Portable Power at Just 16 lbs. |url=https://www.businesswire.com/news/home/20250821297551/en/Power-and-Portability-Meet-Toughness.-New-Use-Energy-Unveils-the-Revolutionary-605-SunCase-Ultra-Portable-Power-at-Just-16-lbs. |access-date=14 May 2026 |website=Business Wire}}</ref>
* EcoFlow<ref>{{Cite web |last=Kumar |first=Ajay |date=October 9, 2025 |title=EcoFlow Recalls 25,000 Delta Max 2000 Power Stations Over Fire and Burn Hazard — Here’s How to Fix Yours |url=https://www.cnet.com/home/energy-and-utilities/ecoflow-recalls-25000-delta-max-2000-power-stations-over-fire-and-burn-hazard-heres-how-to-fix-yours/ |access-date=2026-02-13 |website=CNET |language=en}}</ref>
* Anker SOLIX * DJI * Ugreen * Zendure - Japanese semi-solid-state batteries
These companies contributed to the evolution of solar generators from specialized off-grid tools to widely adopted consumer products, particularly as interest in backup power solutions has grown in response to climate-related power disruptions.<ref>{{Cite web |date=2025-08-12 |title=These Reliable Solar Generators Got Your Back(up) During Outages or Off-Grid Adventures |url=https://www.popularmechanics.com/adventure/outdoors/g37295464/best-solar-powered-generators/ |access-date=2025-12-05 |website=Popular Mechanics |language=en-US}}</ref>
== References == {{Reflist}}
Category:Electrical generators Category:Applications of photovoltaics