Products and services

What is an SBU

CSL’s storage products (S Store and C Store) are sold as Standard Bundled Units (SBUs). Each SBU includes injection, withdrawal and space enabling customer to fill during the summer and withdraw on the highest priced 67 days.

SBU in kWh
SBU in therms

Withdrawal/day

1

Injection/day

0.351648

Space

66.593407

Withdrawal/day

0.034121

Injection/day

0.011999

Space

2.272262

The injection rights are adjusted each day by the Daily Injection Adjustment Factor (DIAF) whilst the withdrawal rights are firm across the winter.

Charges (p/kWh)
Charges (p/th)

Injection

0.021

Withdrawal

0.007

Injection

0.615*

Withdrawal

0.205*

*to 3 decimal places