Our generation solutions offer the lowest NOx and SOx emitting generators of their type, out-performing both gas and diesel reciprocation engines without the use of SCR (Selective Catalytic Reduction).

Our unique microturbine generators do not use oil and as a result only emit oxygen rich, uncontaminated exhaust heat. This means that our solutions are the only viable generation technology capable of meeting the world’s most stringent NOx targets.

Key benefits summary:

  • 92% lower NOx emissions than diesel (18 mg/nm3 vs 195 mg/nm3 @15% O2)
  • Environmentally compliant, going beyond Medium Combustion Plant (MCP) Directive targets for both NOx and SOx
  • Clean exhaust, with high levels of oxygen content compared to conventional generation methods (17-18% O2 content)
  • Quiet operation, with just 65 dba (decibels) at 10 metres
  • The option to utilise bio fuels, which is becoming an increasingly popular choice

Environmental FAQs

Our generation solutions exclusively use industry-leading Capstone gas microturbines and the Capstone Turbine Corporation has extensive environmentally-friendly credentials.

Capstone is a member of the U.S. Environmental Protection Agency’s Combined Heat and Power Partnership, which is committed to improving the efficiency of energy infrastructure and reducing emissions of pollutants and greenhouse gases.

Capstone’s environmental credentials are further illustrated by the fact that they are California Air Resources Board (CARB) accredited – a renowned status which has exacting standards. Air pollution in California, and Los Angeles in particular, is a well-documented problem, and the aggressive standard of CARB was introduced to help tackle the issue.

It’s highly probable that the UK will follow suit by also raising standards to a more stringent level in future, and therefore choosing Capstone microturbines provides an element of future-proofing, in terms of environmental compliance.

UK businesses are under increasing pressure to contribute to the Government’s target of achieving an 80% reduction in nitrous oxide and carbon emissions, from 1990 levels, by 2050. 

Accordingly, there is a greater legislative focus on generating power with reduced adverse effects on people and the environment. Whilst there is a movement towards renewable energy sources (such as wind and solar), these can only produce energy at certain times, when environmental factors are conducive.

Legislation such as the Medium Combustion Plant (MCP) Directive, plus the future possibilities of initiatives such as Low Emission Zones (LEZs), could have a significant commercial impact on organisations’ development projects. These pressures are only going to increase, as the Government strives for increasingly higher environmental standards.

All of this points to the need for cleaner power sources.

It’s estimated that approximately 50,000 premature deaths a year in the UK can be attributed to the harmful impacts of nitrogen dioxide (NOX) and particulate matter (PM). The MCP Directive is an EU directive on the limitation of emissions of certain pollutants into the air from medium combustion plants. In other words, it’s intended to help tackle pollution, by focusing on ‘medium sized’ equipment typically found in commercial buildings, industrial processes and power generation.

The emission limits set in the MCP Directive took effect in December 2018 for new plants and will apply by 2025 or 2030 for existing plants, depending on their size.

It’s estimated that there are approximately 30,000 medium combustion plants in England and Wales and therefore the legislation is potentially wide reaching.

London and a select number of other UK cities have now introduced a Low Emission Zone (LEZ) – a traffic pollution charge scheme that aims to reduce exhaust gas emissions of diesel-powered commercial vehicles. Additionally, cities such as Bath are considering Clean Air Zone (CAZ) initiatives.

It is anticipated that London and other major cities will introduce more stringent emissions targets in the foreseeable future and therefore the principles of LEZs and CAZs are likely to be extended beyond the remit of just traffic, to areas such as power generation.

Absolutely. Capstone mircoturbine emissions are 18 mg/ nm3 and an ultra-low NOx version (8 mg/g) is also available. As you can see from the table below, this compares very favourably with the alternatives.

Type of Generation MCP Directive Requirement
Diesel engine 195 mg/ nm3

Reciprocating gas engine

95 mg/ nm3
Gas turbine 50 mg/ nm3

It’s also worth noting that if a generation system is on the borderline of MCP Directive compliance, it might not be compliant with future LEZ or similar legislation.

Innovation in diesel power generation has resulted in some reduction in emissions, but it’s still a relatively high polluting method of generation. As limited progress has been made to date towards making diesel an environmentally friendly solution for twenty-first century power generation it is likely to come under the spotlight, as emissions standards become more stringent.

If you have any further questions about our power generation solutions, please get in touch and we’ll be happy to help.

Get in touch

Unique Benefits