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Festival crowd under falling confetti and stage lights

The footprint of a great day out

An event exists for a week and vanishes. Its footprint is real, your client wants it reported, and the data scatters the moment the site clears. ESGen catches it while it is still catchable.

The footprint is decided in planning, not measured after

By the time the doors open, most of an event’s footprint is already fixed. The venue set the energy line. The menu set the catering line. The location, and who you invited, set the travel line, and travel usually dwarfs everything else.

That is why sustainable event delivery starts with venue strategy, catering choices, and waste prevention, and why the measurement has to start there too. A footprint report assembled months later from whatever survived is a guess. One built alongside the planning is evidence.

Clients increasingly write that evidence into the brief, and sponsors with their own reporting obligations need their share of it. The organiser who can hand over a documented carbon analysis while the event still matters is the one who gets rebooked.

Feel how the choices move the number

Set the size, the length, the travel mix, and the menu. Watch the footprint recompose as you decide.

Model your eventillustrative
2,500
Event length
15%
Catering
Modelled footprint
284tCO₂e
Per attendee
114 kg
Attendee travel192.5 t68%
Catering40.0 t14%
Venue energy30.0 t11%
Freight & build14.3 t5%
Waste7.5 t3%

An intuition tool with rounded, illustrative factors, not a measurement. Real events are measured from registrations, meters, and invoices, which is what ESGen does.

Four lines every client report needs

01

Attendee travel

Usually the largest share by far, and the hardest to reach, because it sits with hundreds of individuals. Registration data gives a defensible estimate; surveys refine the flights that matter.

02

Venue and energy

The venue's power and heating over your event days, attributed to your event rather than the building's year. The venue choice itself fixes most of this line before anything is measured.

03

Catering choices

Meals served, by menu type. The plant-to-meat mix moves this line more than any other single decision an organiser controls directly.

04

Waste prevention

What leaves the site and where it goes, evidenced by transfer notes. The cheapest line to improve, and the one clients notice first.

A footprint with a beginning, a middle, and an end

Events are projects, so the measurement is one too. Walk the three phases and see what gets captured in each.

The life of an event footprint~75% captured

The heavy rows land while the event runs: energy is drawn, meals are served, and everyone who travelled has now arrived.

1

Venue energy

Metered use over the event days, attributed to this event

2

Catering counts

Meals actually served, by menu type

3

Freight movements

Stands and equipment in, tracked as they arrive

Capture shares are indicative. Select a phase to explore it.

Whoever the client, the question is the same

Conferences, seminars, formal dinners, festivals. The evidence a footprint report needs does not change with the guest list.

Associations & NGOsInternational organisationsCorporate teamsPrivate groups

Questions from event teams

How do you measure attendee travel?

From what you already know: attendee locations and the venue. That gives a defensible estimate immediately, which surveys can refine for the flights that matter most.

Can one venue report across many events?

Yes. Venue energy can be attributed event by event, so both the organiser and the venue get a footprint that reflects their part.

Is this useful for tenders?

Very. A consistent, repeatable footprint per event is exactly the evidence clients and framework-bound sponsors increasingly ask for.

Measure your next event while it still matters

Registrations, meters, and invoices in. A footprint report your client can use, out, with the assumptions stated.