F
to. The following table is constructed around the 2017/8 tariffs and is intended to
assist in determining the payment strategy that will minimize your unit costs.
Block Range Tariff 1 Daily
Average Buy 2 Cost Average
Cost
No. kWh/month Cents/kWh kWh/day kWh R cents/kWh
1 ≤ 500 132.42 ≤ 16 498.4 660 132.42
501-1000 152.73 17-33 999.5 1 425 142.57
1001-2000 163.82 34-66 1 997.6 3 060 153.18
2001-3000 184.77 67-97 2 999.1 4 910 163.72
≥3001 200.05 ≥ 97
2
3
4
5
Note 3
Note 1 – This rate is inclusive of the 2 cent/kWh Demand Side Management (DSM)
Note imposed
1 – This rate
inclusive 2
of to
the 5 2 cent/kWh
Side VAT
Management
(DSM) levy imposed on
levy
on is Blocks
and also Demand
includes
in all cases.
Blocks 2 to 5 and also includes VAT in all cases.
Note 2 – Buy at the beginning of each month. If there is surplus at month end,
Note 2 it – to
Buy accumulate
at the beginning
of each
there is surplus
month
it to accumulate
allow
until
you month.
have If sufficient
to at
have
a end,
free allow
or reduced
cost
until you Keep
have sufficient
to have
a free
or reduced
cost month.
a healthy
amount
the
month.
a healthy
base
amount
on the
meter Keep
to avoid
the base
hassle
of on running
meter
to avoid the upon
hassle of
running
out. you
Depending
upon the range
are consuming
make
out.
Depending
the
range
are consuming
in, you
make
sure you in,
buy
at sure
least
you full
buy preceding
at least the full
preceding
Block amounts
month:
the
Block
amounts
every every
month:
in 1, at
buy least
at least
your needs.
needs.
• If in 1, If buy
your
in 2, at
buy least
at least
Block 1
1 every
• If in 2, If buy
Block
every month.
month.
in 3, at
buy least
at least
Blocks 1 1 and
2 every
month.
• If in 3, If buy
Blocks
and
2 every
month.
If
in
4,
buy
at
least
Blocks
1,
2
and
3
every
month
etc… etc…
• If in 4, buy at least Blocks 1, 2 and 3 every
month
Otherwise when you eventually and inevitably have to top up, you will be forced into the higher tariffs.
Do not miss out on a Block 1 purchase every month unless you have sufficient on your meter to carry
Otherwise
when you eventually and inevitably have to top up, you will be forced
you through to the next month. Conversely, do not buy beyond the “Buy” amounts indicated during any
into
the
higher
tariffs. Do not miss out on a Block 1 purchase every month un-
month as anything over will come at the higher prices in the next Blocks.
less you have sufficient on your meter to carry you through to the next month.
Conversely,
do consumers
not buy will
beyond
the “Buy”
indicated
during
any month
as
Note 3 – Large
buy dependent
only amounts
on the monthly
average. All
units above
3000 come
anything
over
will
come cents/kWh
at the higher
prices
the to next
Blocks.
at a premium
price
of 200.05
so the more
you in
need
buy, the
more the average cost per
unit. In this case, and this case only, it does not matter if you buy your monthly average in multiple slices
Note 3 – Large consumers will buy dependent only on the monthly average. All
during the month since the final top up will always come at the highest Block price. Just ensure you buy
units
above 3000 come at a premium price of 200.05 cents/kWh so the more you
a minimum
of 4
Blocks
every
month
to benefit
from
the unit.
lower In
priced
you this
need 4
000 units
need
to buy,
the
more
the
average
cost
per
this Blocks.
case, If and
case
only, say,
this
will
cost
R6
912.15
at
an
average
price
of
172.80
cents/kWh.
However
if
you
bought
two
monthly
it does not matter if you buy your monthly average in multiple slices during the
month since the final top up will always come at the highest Block price. Just
ensure you buy a minimum of 4 Blocks every month to benefit from the lower
priced Blocks. If you need 4 000 units say, this will cost R6 912.15 at an average
price of 172.80 cents/kWh. However if you bought two monthly amounts of 4 000
units each, both in the same month, it would cost R14 914.15 at an average price
of 186.43 cents/kWh.
By Tony Bagnell