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We are committed to finding and developing flexible solutions for our customers to allow them to connect at an earlier stage. In some areas of our networks, the network is already at full capacity and it is not possible to connect any further generation without upgrading the existing network. In these cases, customers would typically be required to wait for the required reinforcement works to be completed before being able to connect to the network. However, there are a number of alternative options available to customers who are willing to consider a more flexible connection offering, which, depending on the circumstance, may allow connection ahead of the required reinforcement works. We also offer flexibility in relation to payment options for connections.
Our generation customers may wish to connect to our network but due to constraints are unable to. Therefore Scottish and Southern Electricity Networks have developed a suite of alternative and flexible connections. These allow our customers to connect to the network as an alternative to reinforcement or until reinforcement is completed. Our customers may request or be offered this type of connection either by directly asking or as an alternative to a previous traditional connection offer.
One potential option available to our customers is
to share the cost with other customers who wish to connect to the same part of
the network. This can be done by forming a consortium. To assist customers with
identifying others that may be interested in forming a consortium, we have
developed a consortia register as part of our Heatmap tool, which can be
Scottish and Southern Electricity Networks must
ensure that if there are two circuits running in parallel and one of the circuit’s
fails then the other circuit can pick up the load. This part of system planning
standards. A generator may incur additional reinforcement charges due to the
remaining circuit not having a sufficient excess capacity. Therefore an
intertrip connection may be offered. This allows a customer to connect onto the
network under the condition that the generator will be disconnected from the network
if one of the circuit fails.
consider flexibility in contractual terms in circumstances where a transitional
solution may be available for a customer. Examples include situations where the
local connection works can be completed early, but the full capacity is not
available until reinforcement is complete. In this scenario, we can include
special conditions within the Connection Agreement which can allow the customer
to export some of their full capacity – dependent upon what the current network
The timed export connection offers the customer
the possibility of connecting to the network and exporting during certain
periods of the day or week. In some areas of our network there is the potential
to make use of generation or demand diversity. The examples we currently
support are where the majority of generation in an area is PV then during
non-daylight hours other types of generation can export freely, such as wind.
Another alternative is where demand is high during the week but low over the
weekend, for example in an industrial area, in this case a generator can export
Monday – Friday but constrained over the weekend.
Contact: Active Solutions Team
is similar to a full ANM scheme, except instead of managing multiple
constraints and multiple generators it manages only one generator and up to two
constraints. The SGANM will monitor constraints and issue the generator a safe
level of export capacity in real time.
The SGANM will be offered to the
first generator in the constrained area, should second generator request a
connection in the same zone then a full ANM will be installed.
install timescale: 4 monthsContact: Active Solutions Team
areas where there are several, complex thermal constraints affecting a number
of customers over a long period of time, full ANM systems will be implemented,
where it is technically viable. The ANM systems continually monitor all the constraints
on the network in real time and allocate the maximum amount of capacity
available to customers in that area based on the date their connection was
Orkney ANM System – operational
but closed for further applications
Isle of Wight ANM System – operational
and open for further applications
Shetland ANM – operational
but closed for further applications
FAQ: Click hereContact: Active Solutions
We will consider applications for
export-limiting devices on a case by case basis. The customer will ensure the
export limit given by us is not exceeded. We will also install a failsafe system
so that in the event of the generators export limiting scheme failing, the
generator will be disconnected.
install timescale: 4 monthsContact:
There are two
types of 3rd party ANM connections for the customer to consider -
shared capacity and demand management. Both of which are installed and managed
by the customer.
example: An existing generator may have a contracted capacity of 10MW but only
have 6MW of connected generation. Therefore there is the potential for a customer
to approach this generator and make use of the spare capacity. The customers
will install a system that will ensure the combined export of both generators
does not exceed the contracted capacity.
Management example: A new 250kW generator wishes to
connect to the distribution network. However due to transmission constraint
upstream the generator has a limited export of 50kW. The generator develops a
proposal to increase the minimum demand by changing gas boilers to electric
boilers on the same circuit as the constrained asset. The generator has
calculated this will increase the minimum demand by 200kW. The generator must
then ensure that when the 50kW limit is breached that suitable demand is
brought onto the network.
will install a back up system so that in the event the customers system fails
the generator will be disconnected.
We offer flexible payment terms for all
connections at the pre-energisation stage. For large connections or those that
will not be completed for several years, staged payments will be offered
automatically to the customer. For all other connections, we advise customers
to let us know if they would prefer to make staged payments and this will then