Carbon Reduction Plan
Scope of emissions monitoring
Scope 1
Direct greenhouse gas emissions that occur from sources that are owned or controlled by Volterra.
Scope 2
Greenhouse gas emissions from the generation of purchased electricity consumed by Volterra.
Scope 3
Other indirect emissions that are a consequence of Volterra’s business activities, e.g., travel to our offices and to meet clients.
Summary of scope of emissions monitored
Scope 1
None applicable
Scope 2
On-site energy usage
Scope 3
- Employee energy used when home working
- Business travel
- Employee commuting
The methodology for calculating our carbon footprint is based on the fact that our operations are primarily administrative and that our facilities are managed by an external party.
Emissions footprint
Volterra’s carbon footprint for 2025 is estimated to total 7.46 tCO2e.
This is approximately equal to emissions generated by 2 UK households in a year.* The largest contribution is emissions generated through home working.
Our 2025 emissions are 0.06 tCO2e lower than 2023.
The decrease has been driven by our reduced long business travel. Our 2025 emissions are equivalent to 0.43 tCO2e per staff member, lower than 2023 and 2024.
*Each household with 2.4 persons on average
| Emissions Type | Total emissions (tCO2e) 2025 | Total emissions (tCO2e) 2024 | Total emissions (tCO2e) 2023 |
|---|---|---|---|
| Scope 1 | 0.00 | 0.00 | 0.00 |
| Scope 2 | |||
| Purchased Electricity | 0.93 | 1.00 | 0.70 |
| Scope 3 | |||
| Home Working | 3.90 | 3.49 | 3.16 |
| Business Travel | 1.36 | 3.63 | 2.91 |
| Employee Commuuting | 1.25 | 0.60 | 0.73 |
| Purchased Goods (Cloud Storage) | 0.02 | 0.02 | 0.02 |
| Total Emissions | 7.46 | 8.74 | 7.52 |
| Emissions Per Staff Member | 0.43 | 0.52 | 0.54 |
Volterra is net carbon positive
We offset our 2025 carbon emissions through the purchase of carbon offsets supported on the United Nations Carbon Offset Platform.
We are aware of the shortcomings of carbon offsets and acknowledge that purchasing them is neither a perfect solution for businesses to achieve carbon neutrality, nor does it diminish Volterra’s mission to lower emissions. We understand concerns related to the additionality of carbon offsets and potential displacement of local communities in certain carbon offset projects.
We believe that purchasing carbon offsets for meaningful climate projects is better than not contributing at all, and should be supplemented with other efforts to reduce emissions and enforce climate-conscious practices in our workplace, wherever possible.
Our aim was to contribute to a project that would have a direct, first-hand impact on human lives, in line with the principles we follow in our work – prioritising community needs. We also wanted the project to result in lower involuntary relocation and displacement of local communities.
On this basis, Volterra has retained its approach from 2024 and purchased eight tonnes worth of carbon offsets for CookClean – a social enterprise that provides energy-efficient cooking stoves to households in Sub-Saharan Africa, thus preventing the severe environmental and health issues that result from traditional, less efficient cooking stoves.
We aim to offset our carbon emissions each year in a similar manner, while also progressing our internal initiatives to lower our emissions first-hand.
Emission reduction activities
Steps we took in 2025
Last year, we undertook multiple steps to raise environmental awareness, practice climate consciousness and reduce emissions at our workplace:
We actively managed our cloud storage through a team-wide SharePoint audit, which significantly reduced our cloud storage utilisation and hence, resulting emissions.
We planned to move offices from Kennington to Waterloo, which is a more accessible location for most of our workforce and has reduced commute length and hence, emissions from commute journeys. In January 2026, we implemented this move.
We carefully considered the impact of business travel. Particularly, we made changes to our travel decisions relating to mode of transport and destinations for team away-days to reduce resulting carbon emissions, and make business travel more sustainable.
Steps for the future
We are expecting our workforce to grow in future years. This will make achieving our targets difficult. To do so, we have outlined a range of emissions reduction measures within our Social Value Strategy. These include:
Promote active travel commuting measures, including through our cycle to work scheme.
Implement office energy reduction measures (e.g., smart plugs).
Upgrade to more efficient equipment when replacing worker and office tools such as laptops.
Recycle and donate equipment not in use with local charities and/or recycling organisations.
Encourage energy reduction via cloud storage optimisation.
Continue to recycle and segregate waste, monitor energy usage, be mindful of business-related travel and promote projects in sustainable development.
Reduce business travel, particularly travel by air and private vehicle, through effective measurement and a sustainable travel first policy.
