Cut operating costs
Avoid peak energy rates by using stored off-peak power
Unlock capacity and growth
Increase load without triggering high charges
Control your energy spend
Flatten daily cost spikes and regain control over your bills
Don’t let peak-time electricity costs hold your business to ransom – commercial battery energy storage holds the answer
When energy prices fluctuate unpredictably and grid connections are congested, your growth ambitions can feel at the mercy of outside forces. You shouldn’t have to sacrifice profitability or reputation just to keep the lights on. Our time of day BESS solutions store off peak electricity and release it when you need it most, letting you power new equipment, smooth demand spikes and meet your climate commitments cost effectively.
What is time-of-day battery energy storage?
Store cheap, use smart (it really is that simple!)
Many business owners assume that shifting their energy use requires complicated technology or drastic operational changes. In reality, implementing time‑of‑day storage is straightforward
Our systems simply charge during off‑peak windows – for example from 01:00 to 05:00
Off-Peak Energy Cost
Low Demand
Low Demand
Battery Energy Storage System
They then automatically feed that stored energy into your business when demand or prices rise.
Peak Energy Cost
High Demand
There are no moving parts or tricky scheduling; you just set the charging times and let the system do the rest.
By shifting your site’s load profile to times when electricity is cheaper, you flatten demand during working hours and lower your energy bills significantly. Whether you need to power a new production line, EV chargers or energy‑hungry HVAC equipment, time‑of‑day storage lets you get the most from your electricity budget.
Explore other on grid applications
While time‑of‑day optimisation is a key benefit of grid‑tied BESS, it’s only one part of the picture. Our commercial battery energy storage systems also support:
Limited power supply management
On‑grid storage covers demand spikes so you can expand operations without breaching your grid connection cap.
Solar self use for commercial sites
Store excess daytime generation and use it in the evenings or early mornings when grid electricity is most expensive.
What makes our time of day battery energy storage solutions different?
With more than 30 years’ experience in hybrid and on-grid battery energy storage systems, Energy Solutions helps UK businesses unlock measurable, long-term savings. Our engineers design, install and support systems that ensure every kWh you generate works harder for your business. You gain a system designed for your tariff profile, consumption patterns and future expansion, giving you predictable costs and control over when and how you use grid power.
Partnering with Energy Solutions gives you:
End-to-end expertise
From detailed load analysis and solar modelling to full system design, installation and commissioning.
Accurate system design
We analyse your generation, consumption and grid profile to specify the right BESS for self-use solar.
Seamless electrical integration
Every system is engineered to work flawlessly with your current PV, switchgear and grid connection.
Smart automation
The system manages energy automatically, storing surplus solar during the day and deploying it when demand peaks.
Proven lithium-ion technology
Chosen for reliability, long lifespan and predictable performance.
Scalability built-in
Systems can expand as your operations grow or your energy needs increase.
Transparent ROI
Real data modelling before installation, and measurable savings once the system is live.
Sustainability assurance
Use more of your own renewable energy, strengthen ESG reporting and cut carbon emissions.
UK-based support
Dedicated engineers who monitor, maintain and optimise performance year after year.
How we deliver your time of day BESS
Our process is straightforward and transparent:
Step 1 - Consult & model
We discuss your goals and gather data on your loads, tariffs and site constraints. Using this information we model potential savings and system sizing.
Step 2 - Design & install
Our engineers design a bespoke solution, procure the right batteries and hardware and coordinate all installation, commissioning and grid compliance.
Step 3 - Monitor & optimise
Once operational, we monitor performance, fine‑tune settings and provide ongoing maintenance to ensure your savings keep accruing.
What’s at stake if you delay your BESS installation?
Energy costs and demand charges are rising every year. Every month you continue paying peak tariffs you’re missing out on savings and putting growth plans on hold. Choosing the wrong partner or a poorly specified system could also lead to under‑performance and costly maintenance. Don’t leave your energy future to chance, partner with experts who will guide you to the right solution and support you for the long term.
Time-of-day battery energy storage in the real world
Manufacturing plant doubles output without grid upgrade
An established UK manufacturer wanted to add a second production line but faced a three‑year wait for a grid connection upgrade. Installing a 500 kWh time‑of‑day BESS allowed them to charge on cheap overnight tariffs and use stored power to run the new line during peak hours. The system paid for itself in less than two years and carbon emissions fell by 30% because the backup generator now rarely runs.
“We thought we’d need a generator to cope with the extra load, but the battery handled it effortlessly. We now run two shifts and still keep our demand within our agreed capacity.” – Production Manager
Fleet charging depot powers EVs off peak
A logistics company electrifying its delivery fleet needed to fast‑charge vans throughout the day without triggering high demand charges. By installing a containerised BESS, they charge the battery overnight at low rates and discharge during daytime charging sessions. The result is predictable energy costs and a grid connection that accommodates future vehicle expansion.
“Time‑of‑day storage means we can run our EV chargers at full power whenever vehicles return without worrying about peak tariffs. It’s essential to our electrification strategy.” – Head of Fleet Operations
Leisure centre smooths energy peaks and saves on tariffs
A municipal leisure centre with pools and spas had a demand profile that spiked every morning and afternoon. A 300 kWh time‑of‑day BESS now charges when demand is low and discharges to cover these peaks, allowing the site to move to a time‑of‑use tariff and cut annual energy bills by 20%. The quieter environment also eliminates the need for a diesel backup during peak times.
“Our budget had little room for rising energy costs. The battery system gave us breathing space and our customers appreciate the commitment to cleaner energy.” – Facilities Manager
FAQs: Time-of-day BESS
Ready to take the next step?
Ready to control when you use energy and stop paying peak prices? Contact our team today to explore how battery energy storage can unlock capacity, cut costs and support your sustainability journey.