Accreditations & Partners
Choosing a solar, battery or EV charging company is not just about comparing products and prices. You also need to know who is carrying out the work, which standards they work to, what protections are in place and who you can turn to if you ever need help.
Phase Energy combines recognised industry certification, consumer protection schemes and manufacturer training so customers can see the standards behind the installation, not just the equipment on the wall or roof.
What our Accreditations & Partnerships mean for you
Quality Assured
Installations completed to recognised industry standards, ensuring high levels of quality, safety and workmanship.
Electrical Competence
Our electrical accreditations demonstrate our commitment to safe, compliant installations carried out by qualified and competent professionals.
Accurate Performance Estimates
Clear and realistic projections of your system’s expected energy generation, potential savings and financial returns, helping you make an informed investment.
Consumer Protection
Additional reassurance through recognised industry schemes, offering independent safeguards and protection where applicable.
Trusted Technology
Access to high-quality solar panels, inverters and battery systems from some of the world’s leading manufacturers.
Competitive Pricing
Our established manufacturer partnerships allow us to offer premium technology at competitive prices without compromising on quality.
Comprehensive Warranties
Manufacturer-backed product warranties alongside our own workmanship guarantee, providing long-term peace of mind.
Reliable Aftercare
Ongoing technical support, product expertise and assistance throughout the lifetime of your system.
Our accreditations

MCS certified
MCS is a nationally recognised certification scheme for small-scale renewable energy technologies, including solar PV and battery storage. It sets rigorous standards for how renewable energy systems are designed, installed, commissioned and handed over to customers.
For our customers, MCS certification provides reassurance that installations are completed in accordance with recognised industry standards, helping ensure quality, safety and system performance.
Eligible installations can also receive an MCS certificate, which is widely recognised across the renewable energy industry and is commonly required when applying for Smart Export Guarantee (SEG) payments.
Our MCS certification number is: NIC-40078289
NICEIC Competent Person Scheme
NICEIC is one of the UK’s leading certification bodies for the electrical industry, assessing registered businesses against recognised standards for electrical safety, technical competence and compliance with relevant regulations.
As a NICEIC Competent Person Scheme registered business, Phase Energy demonstrates the competence required to carry out electrical installation work within the scope of its registration, in accordance with applicable regulations and BS 7671 wiring standards.
For our customers, this provides reassurance that the electrical aspects of their solar and battery installations are carried out professionally, with appropriate inspection, testing and certification. From safe electrical connections through to final commissioning and handover, electrical safety and compliance remain central to every installation.


HIES consumer protection
HIES (Home Insulation & Energy Systems) is a recognised consumer protection scheme for the home energy and renewable technology industry, providing additional safeguards and reassurance for homeowners.
As a HIES member, Phase Energy is committed to following a recognised consumer code of practice, promoting transparency, fair treatment and high standards of customer service throughout the installation process.
For our customers, HIES provides access to additional consumer protection measures, which may include deposit protection, insurance-backed workmanship guarantees and independent dispute resolution, subject to the scheme’s terms and eligibility requirements. This offers added peace of mind that support and protection extend beyond the completion of an installation.
Our HIES Licence Number is: PSE/A/1450
TrustMark registered
TrustMark is the UK Government Endorsed Quality Scheme for work carried out in and around the home, recognising businesses that demonstrate a commitment to quality workmanship, technical competence and responsible trading practices.
As a TrustMark Registered Business, Phase Energy is required to meet recognised industry standards through its approved Scheme Provider, providing customers with additional reassurance that their solar and battery installations are carried out professionally and responsibly.
For our customers, TrustMark registration offers greater confidence in the quality of our work, our commitment to fair customer service and our adherence to recognised standards throughout the installation process.
Our TrustMark Licence Number is: 3713530

Our partners

Tesla
Tesla is a global leader in energy technology, offering advanced battery storage, home backup and electric vehicle charging solutions.
As a Tesla Certified Installer, Phase Energy supplies and installs Tesla Powerwall systems, Backup Gateways and Wall Connector EV chargers, providing intelligent energy management, seamless solar integration and automatic backup power during outages where appropriately configured.
Customers benefit from premium technology, smart monitoring through the Tesla app, comprehensive manufacturer warranties and professional installation backed by our specialist product knowledge and ongoing support.
Fox ESS
Fox ESS is a leading manufacturer of renewable energy technology, specialising in high-performance solar inverters and battery storage solutions for residential and commercial applications.
As a Fox ESS installation partner, Phase Energy supplies and installs a range of hybrid inverters, battery storage systems and energy management solutions, designed to maximise solar energy usage, improve efficiency and reduce reliance on the grid.
Customers benefit from reliable, cost-effective technology, flexible battery expansion options, smart monitoring through the Fox ESS app, comprehensive manufacturer warranties and professional installation supported by our specialist product knowledge and ongoing assistance.


SigEnergy
Sigenergy is one of the most talked-about emerging manufacturers in the renewable energy industry, gaining significant attention for its innovative, AI-powered energy storage technology and advanced all-in-one solutions.
As a Sigenergy installation partner, Phase Energy supplies and installs the SigenStor system, combining solar inverters, modular battery storage, intelligent AI-driven energy management and optional EV charging and home backup capabilities.
Customers benefit from cutting-edge technology, smart energy optimisation, flexible battery expansion, advanced monitoring through the mySigen app, comprehensive manufacturer warranties and professional installation supported by our specialist expertise and ongoing assistance.
AIKO
AIKO is a leading solar panel manufacturer, recognised for its innovative All Back Contact (ABC) cell technology, exceptional efficiency and sleek, modern panel designs.
At Phase Energy, we primarily install AIKO solar panels due to their outstanding performance, advanced technology and long-term reliability. Their high-efficiency design helps maximise electricity generation, particularly where roof space is limited, while offering improved performance in partially shaded conditions.
Customers benefit from premium solar technology, attractive all-black panel designs, comprehensive manufacturer warranties and professional installation supported by our specialist product knowledge and ongoing assistance.

Why accreditations and approvals matter when choosing an installer
Choosing the right solar installer is about more than just price. Recognised industry accreditations provide reassurance that your installation meets established standards for quality, electrical safety and workmanship, while trusted manufacturer relationships give you access to reliable technology and comprehensive product warranties.
When comparing installers, it’s important to consider electrical competence, consumer protection, realistic performance estimates, workmanship guarantees and the level of ongoing support available after installation.
At Phase Energy, we combine recognised industry accreditations with leading renewable energy technology, experienced installation teams and dedicated aftercare, giving you confidence that your investment is in safe hands from initial consultation through to long-term system performance.
Frequently Asked Questions
MCS sets recognised standards for small-scale renewable energy installations. For an in-scope solar PV or battery installation, it provides a framework covering design, installation, commissioning and handover.
The renewable technology and the electrical installation are closely linked. Phase Energy is NICEIC Competent Person Scheme registered.
Phase Energy operates through HIES as its TrustMark Scheme Provider and its existing customer information refers to insurance-backed protection.
Phase Energy’s domestic payment approach uses a low initial deposit, which is protected by the memberships we hold.
No. Generation, savings and payback are estimates because actual performance depends on weather, energy use, tariffs, export rates and how the system is operated. A responsible proposal should explain the assumptions used and distinguish estimates from guarantees.
No. They cover different things. Manufacturer warranties may apply to panels, inverters, batteries or other equipment, while the installer workmanship warranty covers the installation work itself.
Where shown on their websites, the descriptions above include links to associated pages on websites. Where there are no links, you can use our licence number as reference if you contact those organisations.
Some standards and certifications apply across both domestic and commercial work, while consumer protection schemes may be specifically focused on domestic customers.
Find out more
We’re here to answer your questions
Want to check a certificate, warranty or protection before you go ahead? Ask us. We would rather explain exactly what applies to your system before you commit than leave you trying to interpret a row of logos.