Technical FAQs 4

How can on-site solar PV & energy storage improve sustainability?

To achieve sustainability goals while meeting the increasing electricity demands of electrification, organizations are pairing on-site solar PV generation with on-site energy storage. These systems, which are considered as “behind-the-meter” (BTM) systems, allow facilities to maximize the benefits of on-site renewable generation.

Should you invest in onsite solar?

Onsite solar is easily installed on rooftops or as ground-mounted panels on business property. Investing in solar installations creates a tangible asset for businesses to showcase their progressive sustainability strategy to stakeholders, customers, and the energy market. However, investing in onsite solar isn’t just a vanity project.

Is offsite solar better than onsite solar?

Regardless of the exact method, participating in offsite solar can have upsides similar to onsite. While both offsite and onsite options offer project structuring with no upfront installation costs and provide renewable energy at a fixed cost, the two system types ultimately can offer their own distinct benefits.

What are the benefits of an on-site solar PV system?

For the scenario represented in the graph, an on-site solar PV system allows the facility to reduce the amount of electricity drawn from the grid during the middle of the day. Increasing the amount of solar PV production on-site can provide additional cost and emission reductions and resiliency benefits for facilities.

Photovoltaic Storage & BESS Technical Resources


Expert insights on photovoltaic energy storage systems, BESS solutions, mobile power containers, EMS management systems, commercial storage, industrial storage, containerized storage, and outdoor power generation for South African and African markets

Small on-site energy plus solar panels

Welcome to our technical resource page for Small on-site energy plus solar panels! Here, we provide comprehensive information about photovoltaic energy storage systems, BESS solutions, mobile power containers, EMS management systems, commercial storage, industrial storage, containerized storage, and outdoor power generation. Our professional engineering solutions are designed for residential, commercial, industrial, and utility applications across South Africa and Africa.

We provide professional photovoltaic storage and BESS solutions to customers across South Africa, including Western Cape, Gauteng, KwaZulu-Natal, Eastern Cape, Free State, and neighboring African countries including Namibia, Botswana, Zimbabwe, Mozambique, Zambia, Tanzania, and Kenya.
Our expertise in photovoltaic energy storage systems, BESS solutions, mobile power containers, EMS management systems, commercial storage, industrial storage, and containerized storage ensures reliable performance for various applications. Whether you need residential photovoltaic storage, commercial BESS systems, industrial energy storage, mobile power containers, or utility-scale photovoltaic projects, WALMER ENERGY has the engineering expertise to deliver optimal results with competitive pricing and reliable technical support.

Solar for Business: Onsite vs. Offsite Solar

Dec 5, 2025 · Compare onsite and offsite solar solutions to find the best option for your business''s energy and sustainability goals.

Solar and Battery Storage | Enel North America

On-site solar + storage Generate and store renewable energy with a solar and battery storage system at your facility to reduce energy costs, earn incentive payments, and improve

Solar Panels and Power for Small Businesses (2025) | 8MSolar

Dec 31, 2024 · The Impact of Solar Panels on Business Perception One of the most significant yet often overlooked benefits of installing solar panels at a business is how they shape public

On-Site Solar | M+ by PETRONAS (MPLUS)

Mar 17, 2025 · M+ by PETRONAS funds and installs a solar power plant (rooftop or ground-mounted) on your premises with solar solutions customized to suit your requirements.

Why on-site renewable energy solutions are in demand

Jun 29, 2021 · Solar panels are becoming an increasingly common sight on rooftops and car ports as more landlords and owner-occupiers get on board with the idea of onsite renewable energy.

Solar for Business: Onsite vs. Offsite Solar

Dec 5, 2025 · Compare onsite and offsite solar solutions to find the best option for your business''s energy and sustainability goals.

Onsite renewable electricity: why it''s a key

Aug 24, 2021 · Onsite solar is easily installed on rooftops or as ground-mounted panels on business property. Investing in solar installations

Maximizing the Benefits of On-Site Renewable Energy

Nov 15, 2024 · To achieve sustainability goals while meeting the increasing electricity demands of electrification, organizations are pairing on-site solar PV generation with on-site energy

Onsite Solar Panels for Businesses: A Smart Way to Power

Jul 11, 2025 · Businesses, no matter the size, are rethinking how they fuel their operations, and solar panels have become a viable solution. Rising energy costs, carbon reduction targets,

On-Site Solar | M+ by PETRONAS (MPLUS)

Mar 17, 2025 · M+ by PETRONAS funds and installs a solar power plant (rooftop or ground-mounted) on your premises with solar solutions

Onsite renewable electricity: why it''s a key part of a

Aug 24, 2021 · Onsite solar is easily installed on rooftops or as ground-mounted panels on business property. Investing in solar installations creates a tangible asset for businesses to

Onsite Solar | ENGIE Impact

1 day ago · On-site Solar offers a holistic solution for organizations seeking multi-site onsite solar implementation. It provides numerous benefits, including environmental friendliness by

Solar Panels and Power for Small Businesses

Dec 31, 2024 · The Impact of Solar Panels on Business Perception One of the most significant yet often overlooked benefits of installing solar panels

Onsite Solar | ENGIE Impact

1 day ago · On-site Solar offers a holistic solution for organizations seeking multi-site onsite solar implementation. It provides numerous benefits,

Solar and Battery Storage | Enel North America

On-site solar + storage Generate and store renewable energy with a solar and battery storage system at your facility to reduce energy costs, earn

Homepage | On-Site Solar Solutions | TotalEnergies On-Site Solar

Nov 13, 2025 · All-in-one solar solutions Specializing in tailor-made solar and energy solutions for any type of site, TotalEnergies'' Renewables On-Site Solar expertise spans over 30 countries.

WALMER ENERGY Engineering Support Team

Engineering Support for Photovoltaic Storage & BESS Projects

Our certified engineering team provides comprehensive technical support for all installed photovoltaic storage and BESS systems. From initial system design and engineering to ongoing maintenance, optimization, and performance monitoring, WALMER ENERGY ensures your photovoltaic storage and BESS solutions operate at peak efficiency throughout their lifecycle, with 24/7 monitoring available for critical industrial and commercial applications.

Contact Engineering Support

Stay Updated on Photovoltaic Storage & BESS Technology

Subscribe to our technical newsletter for the latest innovations in photovoltaic energy storage systems, BESS solutions, mobile power containers, lithium batteries, EMS management systems, and industry developments across Africa. Stay informed about cutting-edge solutions in renewable energy technology.