The Pramac GGW500G is a 500 kVA gas generator running on natural gas, available on a quote-only basis from Canning Generator Solutions.
The Pramac GGW500G is a gas-fuelled generator set for continuous or standby duty where a mains gas supply is available, rated 500 kVA (400 kW) emergency standby power. Prime power is 450 kVA for continuous running. It is powered by a Generac engine. It is supplied as a non emission certified set, which is normal for standby plant that runs only on mains failure and is generally outside NRMM scope. Output is three-phase at 400/230 V, 50 Hz. This is an industrial rating, covering a factory, a hospital wing or a mid-sized data hall. Canning Generator Solutions supplies, installs and maintains the full Pramac range across the UK and Ireland. Request a quotation for lead time, delivery and installation.
| ALTERNATOR BRAND | Mecc Alte |
| ENGINE BRAND | Generac |
| POWER RANGE | g) 350-550 kVA |
| EMERGENCY STANDBY POWER ESP | 500.0 kVA |
| PRIME POWER PRP | 450.0 kVA |
| VOLTAGE | 400/230 V |
| FREQUENCY | 50 Hz |
| PHASES | 3 |
| EMERGENCY STANDBY POWER ESP | 500.0 kVA |
| EMERGENCY STANDBY POWER ESP | 400.0 kW |
| PRIME POWER PRP | 450.0 kVA |
| PRIME POWER PRP | 360.0 kW |
| VOLTAGE | 400/230 V |
| FREQUENCY | 50 Hz |
| POWER FACTOR | 0.8 cos ϕ |
| PHASES | 3 |
| ENGINE BRAND | Generac |
| ENGINE COOLING SYSTEM | Water |
| ALTERNATOR BRAND | Mecc Alte |
| MODEL | ECO40 3S4 C |
The GGW Series is a natural gas range from 35 kVA to 750 kVA, suited to sites that already have a mains gas supply. Because there is no fuel to store or deliver, it works well for continuous and long duration running, combined heat and power, and buildings where a diesel fuel store would be impractical.
Gas sets avoid on site fuel storage and the deliveries, bunding and fuel management that go with it, and they run cleaner. In exchange they depend on the gas supply staying up, so for life safety standby cover a diesel set is usually specified instead. Canning can talk through which fits your duty.
No. NRMM Stage ratings apply to Non Road Mobile Machinery diesel engines, so they do not apply to a stationary natural gas set. GGW sets use Generac gas engines and are assessed on gas engine emissions rather than a Stage number.
In short, we get the job done. When power generation and energy management are neglected, the consequences can be disastrous. It’s critical to have a team that responds proactively to potential issues, and our personal, tight-knit values means you can expect exactly that.
Every client and project is different, so we prioritise clear communication to develop a rich understanding of each client’s needs.
When our services are needed, every second counts. That’s why we guarantee a four-hour response to our clients nationwide, bolstered by our dedicated team of service engineers operating 24/7.
While our industry often reacts to emergencies, our ethos is to anticipate and mitigate issues before they escalate. We like to get involved early to better plan and optimise your power.
The relationships we build with clients are hugely important to us, so we operate with transparency, earning your trust through fair pricing and honest advice.
With extensive experience in the commercial power sector, our dedicated team of engineers always find the right solution.
It’s not just about business, we genuinely care about our clients and maintain close, respectful relationships with them. Your power really is our priority.

Every sector has unique power needs, and we’re equipped to meet yours head-on. We listen carefully to you and deliver tailored solutions that are as diverse as the sectors we serve. Request a site survey to discover how we can keep your power flowing.
Ready for a fast, no-obligation quote? Fill in your details below and one of our team will get back to you with a tailored solution for your power requirements.
"*" indicates required fields
Spread the cost of your generator with flexible finance options designed to suit your business. Whether you’re upgrading existing equipment or investing in something new, our team will guide you through a simple, straightforward process with no unnecessary jargon.
"*" indicates required fields