Performance overview

The following metrics provide an overview of our performance during 2010/11 compared with 2009/10 and 2008/09. More details of these and other performance metrics can be found in the Our performance section of this site.

More details of the shareholder value and other financial performance metrics can be found in the Annual Report and Accounts 2010/11.

Health and Safety

Injuries to the public*
(number)

Members of the public injured as a direct result of our operations (number of fatalities included in total)

10/11: 52(0)
09/10: 39(0)
08/09: 52(1)

Employee lost time injury frequency rate
(injuries per 100,000 hours)

Injuries resulting in employees taking time off work normalised to 100,000 hours worked

10/11: 0.18
09/10: 0.15
08/09: 0.25

Employee lost time injuries
(number)

Injuries resulting in employees taking time off work

10/11: 96
09/10: 86
08/09: 140

Contractor lost time injuries
(number)

Injuries resulting in contractors taking time off work

10/11: 51
09/10: 85
08/09: 108

Employee sickness rate
(percent)

Percentage of available work days lost to sickness

10/11: 2.82
09/10: 2.87
08/09: 3.06

Shareholder value

Group return on equity
(percent - 3 year average)

Adjusted earnings with certain regulatory based adjustments divided by equity

10/11: 11.9
09/10: 11.3
08/09: 10.8

Capital Expenditure, excluding joint ventures.(£million)

Additions to plant and equipment and to intangible assets

10/11: 3,468
09/10: 3,252
08/09: 3,242

Reliability
UK electricity transmission system reliability
(percent)
Electricity delivered by the electricity transmission system as a proportion of electricity demanded

10/11: 99.9999
09/10: 99.9999
08/09: 99.9999

UK gas transmission system reliability
(percent)

Gas delivered by gas transmission system as a proportion of gas demanded

10/11: 100
09/10: 100
08/09: 100
 

US electricity transmission system reliability
(MWh lost)

Number of MWh lost

10/11: 414
09/10: 147
08/09: 266

UK gas distribution network reliability
(percent)

Proportion of total customer days without unplanned gas interruptions

10/11: 99.999
09/10: 99.999
08/09: 99.999

US electricity distribution network reliability
(minutes)

Average time the average customer is without power over the year

10/11: 123
09/10: 114
08/09: 114

Customer satisfaction

Gas distribution UK
(quartile ranking)

To improve

10/11: 4th
09/10: 4th
08/09: 4th

Gas distribution US - residential
(quartile ranking)

To improve

10/11: 2nd
09/10: 3rd
08/09: 4th

Gas distribution US - commercial
(quartile ranking)

To improve

10/11: 4th
09:10: 2nd
08/09: 3rd

Electricity  Generation & Distribution - residential
(quartile ranking)

To improve

10/11: 3rd
09/10: 4th
08/09: 4th

Electricity Generation & Distribution - commercial
(quartile ranking)

To improve

10/11: 2nd
09/10: 3rd
08/09: 4th

Environment

Greenhouse gas emissions
(percent)

percentage reduction in Scope 1 and 2 greenhouse gas emissions against baseline

10/11: 51
09/10: 55
08/09: 42

Scope 1 and 2 greenhouse gas emissions
(million tonnes carbon dioxide equivalent)

Scope 1 and 2 greenhouse gas emissions

10/11: 9.7
09/10: 8.8
08/09: 11.3

Scope 3 Greenhouse gas emissions
(million tonnes carbon dioxide equivalent)

Greenhouse gas emissions resulting in procurement of goods and services, electricity transmission and distribution losses and end use of sold products

10/11: 37.5

Greenhouse gas emission intensity
(tonnes per £m of revenue)

Scope 1 and 2 greenhouse gas emissions normalised to £m of revenue (including discontinued operations)

10/11: 675
09/10: 630
08/09: 726

Significant direct environmental incident
(number)

Category 1 incidents caused by National Grid (and contractors working for National Grid)

10/11: 9(0)09/10: 10(0)
08/09: 8(4)


Significant indirect environmental incidents
(number)

Category 1 incidents caused by adverse weather or third party damage

10/11: 0
09/10: 2
08/09: 1

Fines
(£ / $)

Total value of fines from environmental prosecutions and citations

10/11: $73,000
09/10: $0
08/09: $86,500

Energy use
(million MWh)

Consumption of gas and electricity for operational and non-operational purposes

10/11: 3.5
09/10: 4.5
08/09: 5.4

Waste
(million tonnes)

Total waste including waste disposed of and waste recycled or reused

10/11: 1.7
09/10: 1.3
08/09: 1.2

Waste recycled
(percentage)

Waste recycled or reused

10/11: 74
09/10: 77 
08/09: 74

Water use
(million cubic metres)

Total water used (excludes sea water used for cooling our generation facilities)

10/11: 4.8
 09/10: 5.9
08/09: 5.3

Employees

Headcount
(number)

Number of employees in post at 31 March

10/11: 27,089
09/10: 28,106
08/09: 27,866

Female employees
(percentage)

Proportion of employees who are female

10/11: 22.3
09/10: 22.7
08/09: 22.6

Ethnic minority employees
(percentage)

Proportion of employees who are ethnic minorities

10/11: 13.5
09/10: 13.5
08/09: 13.2

Breaches of Codes of Conduct
(number)

Substantiated breaches of UK and US Codes of Conduct  per 1000 employees

10/11: 13.9
09/10: 13.6
08/09: 11.3

Society

Community investment
(£million)

Includes cash value of contributions, value of employee time, in-kind contributions and management costs

10/11: 12.9
09/10: 11.4
08/09: 9.7

Notes:
* Includes fatalities, injuries requiring the person to attend hospital or, in the UK, injuries reportable under RIDDOR