Apply to connect generation equipment
Please complete the G99 application form below.
If you would like to apply for a ‘Study & Offer’ quotation, please include the ‘additional covering form’ with your G99 application which can be found here.
If you would like to know more about 'Study & Offer' quotes please click here.
You will need:
It’s easy to find out if we work in your area, all we need is your site postcode.
Guidance procedures for the standard G99 Application Form. The connection guide for the distributed generation you are about to install.
Application for connection of power generating modules with total aggregate capacity <50kW 3 phase or 17kW single phase.
Generating unit data. To be completed for all Type A, Type B, Type C and Type D Power Generating Modules.
This form should be used by all applicants considering installing an Export Limitation Scheme as part of their connection application. This form should accompany the application for a connection.
Commissioning test requirements for Export Limitation Scheme with an installed generation capacity exceeding 3.68kW, in addition to generation tests required by ENA EREC G83, G98, G59 or G99.
You may be able to fast track your energy or storage application.
Notes on Part 4 of the application
Should the information required in Part 4 not be available at the time of submitting your application, these may be submitted separately using the individual documents below.
Synchronous Power Generating Modules. For Type A - Type D Power Generating Modules, Electricity Storage and transformers.
Power Park Module model data: fixed speed induction generating units.
Power Park Module model data: doubly fed induction generating units. For Type A - Type D Power Generating Modules, Electrcity Storage and transformers.
Power Park Module model data: series inverter connected generating units.
Power Park Module model data: electricity storage plan. For Type A - Type D Power Generating Modules, Electricity Storage and transformers.
Transformer information. For Type A - Type D Power Generating Modules, Electricity Storage and transformers.
You can either email or post your application to your regional office. Make sure to include any supporting documentation.
National Grid Electricity Distribution, Records Team, 6th Floor, Toll End Road, Tipton, DY4 0HH
National Grid Electricity Distribution, Records Team, Glan Y Tawe, Central Business Park, Millbrook Drive, Swansea Vale, SA7 0AB
National Grid Electricity Distribution, Records Team, Lostwithiel Road, Bodmin, PL31 1DE
By creating new connections to our power network, or modifying existing connections, we can provide access to the power you need.
Find out more about our connections process and what you need to apply.
The cost of your connection will depend on the specifics of your application - this is all worked out in line with our Connections Charging Methodology.
To help give you an idea, we have worked out the average costs and timescales. You can also try our self-serve budget estimating tool for indicative prices.
We are here to answer your questions.
Call us: Monday to Friday, 8am - 5pm
Alternatively, fill in a queries form and we will call you back the following day.
We’ve gathered important legal information here to help you find what you need.
Find out more about the types of offers and agreements available here.
Find out about Assessment and Design fees.
You can choose who carries out your connection work. Find out more about the role of independent connection providers.
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