Bristol Energy is turning Bristol poo into energy, making each Bristol resident a generator of clean, green gas that could heat your home.

The national gas and electricity supplier has teamed up with GENeco, the company behind the “poo bus” which, in 2015, took people across the city on the aptly named “number two route”.

The sewage waste of a million people across the city is turned into biomethane, an environmentally friendly and sustainable substitute for traditionally used fossil fuel gas.

Bristol Energy now offers this green gas to its customers, and is a true example of the circular economy in action.

Owned by Bristol City Council, the national energy company not only turns local waste into energy, it will also reinvest its profits back into local community.

Simon Proctor, Renewables and Origination Manager at Bristol Energy said:

“People are much more aware of the simple changes we can make to tackle climate change. But for a long time green energy was seen as more expensive. Luckily, thanks to advances in technology, this is no longer the case. It’s amazing what science can do with your poo.”

How on earth does it work?
Your poo is treated and turned into what’s called sludge. This sludge goes through anaerobic digestion, a process much like our own digestive system, which creates biogas.

This biogas is then cleaned up and upgraded into something that’s exactly the same composition as natural gas – 98% methane. GENeco treats 75,000,000m3 of sewage waste every year. That’s enough to power 8,300 homes. And an amount of methane equal to flatulence produced by all the dairy cows in Wales.

Mohammed Saddiq, Managing Director of GENeco, said:

“By treating sewage and food that’s unfit for human consumption, we’re able to produce enough biomethane to provide a significant supply of gas to the national gas network.
“Biomethane is a sustainable alternative to fossil fuels. Our plant provides carbon savings of around 30,000 tonnes CO2e per year and is a real success story for Bristol. Powering people’s homes using waste from the local area is a real-life example of the circular economy in action.”

What can your poo do? Your individual flushes alone can’t heat your home. But they certainly all add up*:
– An average household’s weekly flushes would be enough to cook your weekend fry- up.
– An average household’s fortnightly flushes would be enough to cook your roast dinner.
– Annual flushes from every household in Bristol could fry 83,000,000 eggs

It’s easy to go green and give back. You can switch to Bristol Energy’s My Green Plus tariff by visiting:

Author: Matt Tudge