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Gasoline Generator

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Gasoline-powered generators

Gasoline Generators Genergy From 1,000 W to 22.5 kVA for home use, construction sites, events, and three-phase applications. Spanish brand, 3-year warranty, and technical support in Spain.

What Is a Gasoline-Powered Generator and Which One Should You Choose?

A gasoline-powered generator is the easiest way to have electricity where the power grid doesn't reach or when there's a power outage: it starts up in seconds, can be carried by hand, and runs on fuel from any gas station.

Genergy It is a Spanish brand with five lines of gasoline-powered generators: Cube home, Professional for the play, Professional BFT for long days, Big Series Generator for three-phase and high-power applications, and Natura whether you prefer gasoline or propane. All come with an engine Euro V, copper alternator, regulation SVR and 3-year warranty.

  • 1,000 W – 22.5 kVApower range
  • 5 gamascasa· construction · events · three-phase · gas
  • 230 / 400 V single-phaseand three-phase
  • ATS / SOLAutomatic Startup Versions
  • 3-year warrantyfor individual customers · Technical Support in Spain
Contact FormView CatalogChoose by Use

What do you need it for? Choose your product line

You don't buy a gasoline-powered generator based on wattage—you buy it for a specific purpose. Each model range Genergy It's designed for a specific use, and there you'll find the models that fit the bill.

Home

Power Outages and Emergency Power at Home

Refrigerator, lights, water heater, and router when the power goes out; set it up yourself; and, if you want, have it turn on without you being there. Range Cube: 2,800–7,000 W, frame Zero Gravity, 28-liter tank (up to 17.5 hours), and versions ATS (starts up automatically when there is a power outage) and SOL (the backing of your plates).

View generators Cube home →
Play

Construction, Installers, and Professionals

Dust, heavy equipment, and a van. Professional Line: industrial filter Typhonic, 30% smaller size, IP67-rated outlets, cable ties, and dual-voltage models (230/400 V) up to 10 kVA. S versions for public works and rental.

View Professional Generators for Construction Sites →
Events · Autonomy

Events, food trucks, and a night of fun

When you can't stop to refuel. Professional Line BFT (Big Fuel Tank): 14- to 27-liter tank, up to 18 hours straight, standard S version. Weddings, fairs, night shifts, irrigation.

View generators BFT with a long battery life →
Three-phase · high power

Three-phase motors without switching to diesel

Pumps, concrete mixers, light industry. Big Series: the most powerful gasoline generators, ranging from 9 to 18 kW (11.5–22.5 kVA), three-phase 400 V, with a 50-liter fuel tank and up to 21 hours of runtime. The lightweight alternative to a generator set.

View Big Series Three-Phase Models →
Gas · Savings

With a propane tank or to save money

Natura Series (dual fuel): Switch from gasoline to propane without stopping the engine, with up to 40% savings and fuel that doesn't expire in the tank. Ideal for rural homes and for emergency generators that sit idle for months at a time.

View generators Natura gas →
Silence · camping

Does noise bother you? Check out the inverter models

Un generador de gasolina convencional ronda los 64-74 dB. Para camping, autocaravana, jardín en urbanización o electrónica sensible, los generadores inverter bajan a 52-58 dB con corriente limpia (THD < 3 %). Misma gasolina, otra tecnología.

View quiet inverter generators →

Key Features

Engine Euro V

State-of-the-art gasoline engines with lower emissions and fuel consumption across the entire lineup: from the 2,800 W of the Cube Gorbea the 999 cc V-twins from the Big Series.

Copper Alternator

100% copper windings, not aluminum: less heat, longer service life, and a more stable current for your equipment.

Regulation SVR

The electronic regulator SVR It absorbs the startup surges from refrigerators, pumps, and power tools without causing voltage drops. This is what allows a gasoline-powered generator to “handle” the startup of an engine.

Electric starter

Battery-powered, with a key or button, across the product lines Cube, Professional and Natura (Manual transmission in S versions for public works and rental). Starts on the first try, even when cold.

Versions ATS and SOL

Automatic restart in the event of a power failure (ATS, with a built-in transfer switch) or as a backup for your solar system (SOL). Available at Cube and in inverters: in Cube It is compatible with inverters Genergy, and the inverter models are compatible with any inverter.

Large-capacity tanks

From 13 to 50 liters, depending on the model: up to 17.5 hours in Cube, 6 p.m. at BFT and 21 hours in Big Series at 25% load. Fewer refueling stops, more working hours.

Gasoline, inverter, gas, or diesel?

Conventional gasoline

The best power-to-price ratio and maximum simplicity, from 2,800 W to 22.5 kVA. For home, construction sites, events, and three-phase use. See this page.

Inverter Gasoline

Corriente limpia (THD < 3 %) y mucho menos ruido (desde 52 dB). Para electrónica sensible, camping y autocaravana.

View inverter generators →

Gasoline or propane

The same generator that runs on two fuels: propane—which is cheaper, cleaner, and has no expiration date. Product Line Natura.

View the product line Natura →

Diesel

For continuous use, industrial applications, or automatic backup power for buildings, starting at 10 kVA: soundproofed GDS generators running at 1,500 rpm.

View generator sets →

Complete Guide: Diesel or Gasoline Generator—Which One to Choose Based on Use and Operating Hours.

Comparison of Gasoline Lineups

The five gasoline grades Genergy compared by use, power, range, and distinctive features
RangeWho is it for?PowerAutonomy (25%)What Makes It DifferentFrom
CubeHouse, villa, home support, and solar power2.800 – 7.000 Wup to 17.5 hours (28 L)Zero Gravity (operated by one person) · versions ATS and SOLstarting at — €
ProfessionalConstruction, Installers, Trades2.800 W – 10 kVA3–4 hours (2.6–6 L)Filter Typhonic · 30% smaller size · IP67 · 230/400 Vstarting at — €
Professional BFTEvents, long shifts, rentals3.300 W – 10 kVAup to 6:00 p.m. (27 L)Large tank + standard S versionstarting at — €
Big Series GeneratorThree-phase, medium-duty, light industrial9–18 kW (11.5–22.5 kVA)until 9:00 p.m. (50 L)The Most Powerful Gasoline Models · 400 V · V-twin enginestarting at — €
NaturaRural, Emergency, Savings3.300 – 8.500 Wuntil 11 p.m. (28 L)Gas or propane 24/7 · up to 40% savingsstarting at — €

Range at 25% charge, as listed in the official catalog Genergy 2026. See the specifications for each model for exact details.

How much power do you need?

Add up the watts of everything you want to plug in at the same time and add a 25% margin for startup surges: a motor (refrigerator, pump, compressor) consumes two or three times its rated power when starting up. As a general guide, 3,000–4,000 W covers the essentials for a home; 5,500–7,000 W covers a nearly fully equipped home without air conditioning; 8,000 W–10 kVA covers a construction site with heavy equipment; and 10 kVA or 400 V and up falls under the Big Series.

Which generator is appropriate for each combination of appliances, along with their power consumption and peak startup current
How many devices you plug in at the same timeApprox. consumptionStart-up peakApproximate Gasoline Generator
Refrigerator + light + router + TV~700 W~1.500 WCube Gorbea 2.800 W
The above + stove + microwave~2.500 W~3.500 WCube Moncayo 4.500 W
Entire house without air conditioning~4.500 W~6.500 WCube Mulhacén 7.000 W ATS
Equipment: angle grinder + drill + small concrete mixer~4.000 W~7.000 WProfessional Astún 7.000 W
Event: lighting + sound + bar, 8 hours~4.500 W~6.000 WBFT Urkiola-S 5,500 W (27 L)
Three-phase pump or concrete mixer5–10 kW (400 V)×2 – 3Big Series Generator Izoard 15 kW

Questions about power output? Read the guide on how much power a home needs from a generator or what you can plug into a 3,000 W generator.

Gasoline Generators Genergy on video

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Professional or Cube: What's your ideal generator?

The ATS Silent: Uninterrupted Power for Your Home or Business

Official videos from the channel Genergy. The product line video is available in one version per language (es, en, fr, pt, de, it, ua, pl, ru, ar), and the version in the language you are currently browsing in is displayed. The other videos are published only in Spanish.

Why Buy Your Gasoline Generator at Genergy

  • ✓
    Spanish brandDesign, development, and quality control of Genergy, with its own technical team in Spain.
  • ✓
    3-year warranty. Forindividuals (1 year for businesses). You buy a generator for the day the power goes out: on that day, it matters who’s there to help.
  • ✓
    Technical Support and Replacement Parts in Spain: In-house technical support and parts, without relying on importers or online marketplaces.
  • ✓
    Euro V engine, copper, and SVR: The same components across all five model lines, from the smallest to the most powerful.
  • ✓
    We'll help you choose the right size. Tell us what you want to power, and we'll recommend the right model and product line.
  • ✓
    Dealer Network:Authorized retailersand professionals throughout Spain.

Frequently Asked Questions About Gasoline Generators

How much power does a generator need to have for a house?

Between 3,000 and 7,000 W, depending on what you want to power: 3,000–4,000 W for essentials (refrigerator, lights, water heater, router) and 5,500–7,000 W for almost the entire house without air conditioning. Add up the watts and add 25% to account for startup peaks. In Genergy, the line Cube It covers exactly that range.

What is the best gasoline-powered generator for home use?

One with an electric starter, a large fuel tank, and—if you won't be around—an automatic starter. The lineup Cube (Aneto 5,500 W or Mulhacén 7.000 W ATS) is designed for that, with a frame Zero Gravity It can be moved by a single person and has a battery life of up to 17.5 hours.

Is it legal to have a gas-powered generator at home?

Yes. It must always be used outdoors in a well-ventilated area (to allow exhaust fumes to escape), comply with your municipality's noise ordinance, and, if you connect it to the home's electrical panel, do so using a switch or panel. ATS installed by an electrician; never plugged into a household outlet.

Which generator is recommended for a home?

For occasional mowing, 3,000–4,500 W (Cube Gorbea or Moncayo). For a primary residence or vacation home, 7,000 W with ATS (Cube Mulhacén). If you have solar panels, the version SOL It starts on its own when the batteries run low. And if noise is an issue, get a quiet inverter.

What is the difference between a gasoline-powered generator and an inverter generator?

El convencional produce corriente directamente del alternador: más potencia por euro, 64-74 dB. El inverter la rectifica electrónicamente: corriente más limpia (THD < 3 %), menos ruido (desde 52 dB) y menos consumo a baja carga. Para casa y obra, convencional; para electrónica, camping y autocaravana, inverter.

How much fuel does a gasoline-powered generator use?

Between 0.5 and 2 liters per hour, depending on power and load. At 25% load, a Cube Aneto A model with a 28-liter tank runs for up to 17.5 hours; a Professional model with a 6-liter tank runs for about 3–4 hours. You can find the details in the guide. How much fuel do gasoline and diesel generators consume?.

Can I connect the generator to my home's electrical panel?

Yes, using a manual switch or an automatic transfer panel (ATS). The models ATS from Genergy It comes built-in. Always installed by a professional. Guide: How to Safely Connect a Generator to a House.

Is a gasoline-powered generator suitable for a construction site?

Yes, if it's equipped for it: dust filter, IP67-rated ports, and, for public works, a 30 mA ground fault circuit interrupter. This is the Professional line (and its S versions); for three-phase tools, Candanchú and Bentayga (400 V) or Big Series.

What kind of maintenance does it need?

Change the oil after the first 20 hours and every 50–100 hours; keep the air filter clean; replace the spark plug annually; and start the engine for 15 minutes each month if it’s in storage. If it’s going to be idle for months, drain the gas or use the range. Natura with propane, which doesn't expire. Guide: What kind of oil does a gasoline-powered generator use?.

How much does a gasoline-powered generator cost? Genergy And what kind of warranty does it come with?

Starting at — € (Cube Gorbea 2,800 W) up to — € (Big Series Stelvio 18 kW), VAT included, with a 3-year warranty for individuals and a 1-year warranty for businesses, and in-house technical service and replacement parts in Spain.

Learn more on the blog

Buying Guide

How to Choose a Home Generator

Power, acceleration, noise, and range: a comparison to help you make the right choice the first time.

Power

How Much Generator Power Does a House Need?

How to account for consumption and startup peaks so you don't fall short.

Power Outages

Generator for Power Outages at Home

What to keep turned on, how to plug it in, and which model to choose.

Comparison

Diesel or Gasoline Generator: Which One to Choose

Depending on hours of use, power, and budget.

Consumption

How much fuel does a gasoline-powered generator consume?

Liters per hour, actual range, and how to reduce consumption.

Installation

How to Connect a Generator to a House

Switch, ATS and safety: step by step.

Technology

What Is an Inverter Generator?

Advantages Over Conventional Methods and When It's Worth It.

Maintenance

What kind of oil does a gasoline-powered generator use?

Type, amount, and how often to change it.

Ranking

Best Electric Generator of 2026

Which one to choose based on its intended use: home, construction site, camping, or industrial.

Not sure which gas-powered generator to choose?

Tell us what you need to power and for how many hours, and we'll recommend the right product line and model for you. 3-year warranty and in-house after-sales service in Spain.

Contact FormView CatalogBecome a distributor

Testimonials

 
 
 
 
  EXCELLENT  
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 Based on 332 reviews 
  
 
 
 
 
 
 
 
  
 
 
 
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 Koldo Lopez's profile picture 
 
 
 Koldo Lopez 
 
September 11, 2026
 
 
 Google Star 1Google Star 2Google Star 3Google Star 4Google Star 5Trustindex verifies that the original source of the review is Google. 
Great service and advice during the purchase, and fast shipping—I look forward to receiving the equipment and enjoying it.
  
 
  
 
 
 
 Published on Google Google 
 
 Javier Ramirez Guerrero's profile picture 
 
 
 Javier Ramirez Guerrero 
 
August 25, 2026
 
 
 Google Star 1Google Star 2Google Star 3Google Star 4Google Star 5Trustindex verifies that the original source of the review is Google. 
I recently purchased a Limited 7000 generator. I contacted the company by email to ask a few questions, and they responded immediately. Plus, they’re going to replace the industrial outlet adapter in a couple of days. GREAT AFTER-SALES SERVICE—for once, what they say is true; that’s what I call service. As for the generator, it looks well-made and high-quality, starts right up, and the noise level is pretty standard for a gasoline-powered generator—it’s a good machine. For now, I’m giving Genergy 5 stars.
  
 
  
 
 
 
 Published on Google Google 
 
 miguelitoab profile picture 
 
 
 miguelitoab 
 
August 24, 2026
 
 
 Google Star 1Google Star 2Google Star 3Google Star 4Google Star 5Trustindex verifies that the original source of the review is Google. 
Excellent after-sales service....the staff are always helpful, ready to assist, and quick to resolve any issues. Excellent 5⭐
  
 
  
 
 
 
 Published on Google Google 
 
 Miguel's profile picture 
 
 
 Miguel 
 
August 20, 2026
 
 
 Google Star 1Google Star 2Google Star 3Google Star 4Google Star 5Trustindex verifies that the original source of the review is Google. 
I bought the 3000 diesel generator; they tested it at the factory before shipping it to me, and they delivered it with oil already in it and ready to use—even though they didn’t have to, since at the big retailers, they don’t even bother to open the box for you to see it. Once tested, it works very well, and I have no complaints. The customer service is excellent. I called several times to get more information—and, by the way, to make sure it wasn’t one of those scams that are so common in online sales these days—and I can assure you that this is a trustworthy company from which I’ll make future purchases. Thank you very much for everything.
  
 
  
 
 
 
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 CELE CF profile picture 
 
 
 CELE CF 
 
July 20, 2026
 
 
 Google Star 1Google Star 2Google Star 3Google Star 4Google Star 5Trustindex verifies that the original source of the review is Google. 
Definitely a trustworthy company. I had a minor issue with a generator, and they resolved it within 24 hours. They responded to my email incredibly quickly and provided a solution that was fast, effective, and on par with what you’d expect from a mature, well-established team. Their service was direct, transparent, and straightforward—no evasiveness or automated responses that lead nowhere. By the way, the generator is a Genergy 5000, and it works like a charm—well-designed, compact, and reliable. I use it almost exclusively to power a 1.5 HP well pump. It’s definitely a great choice, and I highly recommend it.
  
 
  
 
 
 
 Published on Google Google 
 
 Juan Nadie's profile picture 
 
 
 John Doe 
 
July 2, 2026
 
 
 Google Star 1Google Star 2Google Star 3Google Star 4Google Star 5Trustindex verifies that the original source of the review is Google. 
A reliable product and excellent customer service.
  
 
  
 
 
 
 Published on Google Google 
 
 Tino Gonzalez Lacoste (Tino) profile picture 
 
 
 Tino Gonzalez Lacoste (Tino) 
 
July 2, 2026
 
 
 Google Star 1Google Star 2Google Star 3Google Star 4Google Star 5Trustindex verifies that the original source of the review is Google. 
I am very satisfied with the product and especially with the after-sales service. They answered all my questions, since my plan was to connect the Genergy device to the solar panels already installed on my boat.
  
 
  
 
 
 
 Published on Google Google 
 
 David's profile picture 
 
 
 David 
 
June 16, 2026
 
 
 Google Star 1Google Star 2Google Star 3Google Star 4Google Star 5Trustindex verifies that the original source of the review is Google. 
I bought a Genergy generator. I ran into a problem, but they provided excellent service and resolved the issue very efficiently and professionally. It’s a pleasure to work with such high-quality professionals. Thank you very much for everything.
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