Case Study · Megawatt-Scale Commercial Solar 1,000 kW · 1,600 Panels · Megawatt-Scale ⚙ Installation In Progress

1MW Commercial Solar Installation at Laceby Manor Resort, Lincolnshire

One of the largest single-site commercial solar installations delivered by Sol4r Energy — a landmark project powering an entire resort from its own roof.

Laceby Manor Resort, DN37 Hospitality & leisure resort 1,600 × Sungrow 625W panels 229 kWh Sungrow battery
1,000 kWpSystem Size (1MW)
1,600Solar Panels
229 kWhBattery Storage
970,000 kWhAnnual Generation
105%Energy Offset
2Y 7MPayback
£26.5MNet 25yr Savings

The Opportunity: Megawatt-Scale Solar for Hospitality

Laceby Manor Resort is a premier hospitality and leisure destination in Laceby, near Grimsby, Lincolnshire — a large-scale commercial operation with substantial year-round electricity consumption of over 920,000 kWh per year. With energy costs representing one of the resort's largest operating expenses, the business case for solar was overwhelming.

When Laceby Manor Resort approached Sol4r Energy about a commercial solar installation, the ambition was clear from the outset: go big. Not a partial offset — a full megawatt-scale system capable of generating more electricity than the entire resort consumes. The result is one of the largest single-site solar panel installations Sol4r Energy has delivered — a 1MW (1,000 kWp) system comprising 1,600 solar panels with 229 kWh of Sungrow battery storage, designed to transform the resort's energy economics for decades to come.

This is not a small rooftop installation. This is industrial-scale clean energy generation — the equivalent of powering approximately 300 average UK homes — deployed at a single commercial site in Lincolnshire.

Laceby Manor Resort — a Sol4r Energy project

A premier hospitality and leisure resort in Laceby, Lincolnshire — currently having one of the UK's largest single-site commercial solar installations fitted. When complete, the resort will generate more electricity than it consumes. 1,600 panels. 1 megawatt. Zero compromise.

Before & After: The Transformation

Before Sol4r Energy

  • 100% reliant on the grid for 920,388 kWh/year
  • Annual electricity costs exceeding £441,000
  • No energy storage or demand management
  • No export revenue — every unit purchased at full rate
  • Fully exposed to rising energy prices year on year
  • No visible commitment to sustainability for guests

After Sol4r Energy

  • 105% energy offset — generates more than the entire resort consumes
  • Bills go negative every single month — the grid pays the resort
  • 229 kWh Sungrow battery maximising self-consumption
  • 43.3% grid independence with solar + battery combined
  • 246 tonnes of CO₂ saved every year
  • Landmark sustainability showcase for guests and the hospitality industry

Results & Financial Returns

A 1MW commercial solar system delivering long-term financial returns.

Laceby Manor Resort now has a megawatt-scale solar and battery system designed to generate clean electricity, reduce operating costs and protect the business from rising energy prices.

Headline result £26.5M Net savings over 25 years — from a single capital investment with a 2,211% total return.
System Performance
⚡
970,000 kWh Generated per year Nearly one million units of electricity produced annually from one commercial site.
📈
105% Annual energy offset The system produces more electricity than the resort uses in a year.
🔋
229 kWh Battery storage Commercial battery storage maximises self-consumption and energy control.

Financial Returns
💷
£447,938 Year-one savings A major reduction in operating costs from the first year of generation.
⏱️
2Y 7M Estimated payback A strong commercial return, with long-term savings continuing after payback.
📊
£27.7M Lifetime bill savings Total projected savings over 25 years with 7% annual energy price increase.
🏆
2,211% Total ROI Total return on investment over the system's 25-year lifetime.
📉
44.1% Annual rate of return Outperforms virtually any other commercial capital investment.
💎
£9.4M Net Present Value Discounted NPV of £9,411,129 — the real financial value of this investment in today's money.

Monthly Savings Breakdown — Year 1

At this scale, the numbers are extraordinary. Every single month of the year the resort saves tens of thousands of pounds — and exports surplus electricity back to the grid on top:

MonthSolar Gen (kWh)Imported (kWh)Exported (kWh)Export CreditProjected Saving
January13,8548895,243£786£44,689
February29,0146942,678£402£43,319
March66,1235244,165£625£43,315
April112,1643783,591£539£36,889
May152,3932555,350£803£33,195
June162,5661726,180£927£31,719
July156,3381865,665£850£30,668
August124,9672304,813£722£29,917
September79,3973333,254£488£32,574
October43,3934711,886£283£36,045
November19,2247762,187£328£41,057
December10,5678884,609£691£44,551
ANNUAL TOTAL 970,000 kWh 4,796 kWh 49,621 kWh £7,444 £447,938 saved

Export credit earned via Smart Export Guarantee at 15p/kWh. Projections assume 7% annual energy price increase and a switch to Octopus Intelligent tariff.

Monthly Energy Cost

Before solar vs. after solar — -

Before solar Projected saving
£1,227

saved every single day once this 1MW system is generating — before compounding energy price rises make that figure even larger year on year.

Project Journey: From Concept to 1MW Commissioning

Site Survey & Energy Audit

Full property survey, energy consumption analysis of 920,388 kWh/year, roof and ground assessment, shading analysis — zero shading confirmed across the entire site.

System Design & Engineering

Bespoke 1MW system designed using professional performance modelling — 1,600 panels across two orientation groups optimised for maximum yield. Three-phase infrastructure engineered for 8 inverter strings.

DNO Application & Grid Connection

Distribution Network Operator application managed end-to-end by Sol4r Energy — securing grid connection approval for a 1,000 kW export capacity at the Laceby site.

Installation & Commissioning

Full installation by Sol4r Energy's in-house team — 1,600 tilt-rack mounted panels, 8 Sungrow SG125HV inverters, 229 kWh battery bank, industrial-grade cabling, DC isolation, and full bird protection mesh.

MCS Certification & Handover

System commissioned, tested, and MCS certified. Smart Export Guarantee registered. Octopus Intelligent tariff activated. 20-year online monitoring enabled. Full warranty documentation issued.

Project In Progress

Designed, approved and currently being installed.

The 1MW system is being installed at Laceby Manor Resort by Sol4r Energy's in-house team. Commissioning and handover are the final steps.

1
Complete
Survey & Design

Full site survey, energy audit, zero-shading confirmed, and bespoke 1MW system modelled.

2
Complete
Grid & Approvals

DNO application managed end-to-end — 1,000 kW export capacity approved for the Laceby site.

3
In Progress
Installation

1,600 tilt-rack panels, 8 inverters, and 229 kWh battery bank being installed across the site.

4
Upcoming
Commissioning

MCS certification, SEG registration, tariff activation, and 20-year monitoring setup.

Project Video & Installation Gallery

Watch the full 1MW solar installation at Laceby Manor Resort — 1,600 panels deployed across the site by Sol4r Energy's in-house team.

Aerial drone shot of 1MW solar panel installation at Laceby Manor Resort — 1,600 Sungrow 625W panels installed by Sol4r Energy in Lincolnshire
📸 Aerial view — 1,600 panels across Laceby Manor Resort, Lincolnshire
Large-scale commercial solar installation at Laceby Manor Resort Lincolnshire — ground-level view of 1MW system
Sungrow solar panels on tilt racks at Laceby Manor Resort — commercial solar installer Lincolnshire
1MW solar array installation progress at Laceby Manor Resort — Sungrow 625W panels by Sol4r Energy
Close-up of megawatt-scale solar installation at Laceby Manor Resort Lincolnshire — Sol4r Energy commercial project

1,600 × Sungrow 625W solar panels on tilt racks, 8 × Sungrow SG125HV three-phase inverters, and 229 kWh Sungrow battery storage — all installed by Sol4r Energy's in-house team at Laceby Manor Resort, Lincolnshire.

Project Overview — 1MW Commercial Solar at Laceby Manor Resort

DetailInformation
LocationLaceby Manor Resort, Laceby, DN37 7LD — Lincolnshire
Property typeHospitality & leisure resort — spa, golf, restaurants & accommodation
System scaleMegawatt-class (1MW / 1,000 kWp)
Panel orientationGroup 1: 200 panels at 155° azimuth, 35° tilt · Group 2: 1,400 panels at 155° azimuth, 40° tilt
Annual consumption920,388 kWh
Tariff recommendationOctopus Energy Intelligent — Day 31p (5am–11pm), Night 7p (11pm–5am)
Export tariff (SEG)FiT — 15p/kWh all day
Output calculator3rd party performance modelling
MCS certifiedYes — all systems registered, certificates issued on completion
Project status⚙ Installation in progress — commissioning and handover to follow

Technical Specifications — Megawatt-Scale Solar & Battery System

Every component in this 1MW commercial solar installation was selected for industrial-scale performance, three-phase compatibility, and long-term reliability. This is commercial solar infrastructure at the highest level — 1,600 panels, 8 inverters, and a 229 kWh battery bank working as a single integrated energy system:

ComponentProductSpecification
Solar Panels1,600 × Sungrow 625W (SG-78TG1D-625)1,000 kWp total · Tilt rack mounted · 30yr product & performance warranty
Inverters8 × Sungrow SG125HV [600V]1,000 kW total inverter capacity · Three-phase · 10yr warranty
Battery StorageSungrow ST225kWh-110kW-2h-AU229 kWh total (206.1 kWh usable) · 110 kW charge/discharge · 10yr warranty
DC Isolators8 × KETO-1-200ABattery disconnector with 200A fuses per inverter string
CablingToxfree ES05Z1-K 1x240mmIndustrial-grade solar cable rated for megawatt-scale systems
MountingTilt racks (1,600 panels)Engineered for optimal angle across full array
Bird ProtectionFull perimeter meshInstalled across all panels to prevent nesting & protect performance

Powered by Sungrow — end-to-end

Every component that generates, converts, and stores energy at Laceby Manor is Sungrow. One manufacturer. One ecosystem. Industrial-grade reliability from panels to battery bank.

☀️
1,600 × Sungrow 625W Panels

SG-78TG1D-625 modules on tilt racks — 1,000 kWp total. 30-year product and performance warranty. Zero shading losses across the entire array.

⚡
8 × Sungrow SG125HV Inverters

Three-phase 125 kW commercial string inverters — 1,000 kW total conversion capacity. 600V DC input, built for megawatt-scale installations. 10-year warranty.

🔋
Sungrow ST225kWh Battery

229 kWh total (206.1 kWh usable), 110 kW charge/discharge rate. Integrated with the inverter network for seamless self-consumption and tariff arbitrage. 10-year warranty.

Energy Performance & Generation

Performance MetricResult
Total installed capacity1,000 kWp (1 MW)
Annual solar generation970,000 kWh
Annual resort consumption920,388 kWh
Annual consumption offset105% — system produces more than the resort uses
kWh/kWp yield970.0 kWh/kWp
Shade factor1.000 — zero shading losses
Self-sufficiency — solar only37.3%
Self-sufficiency — solar + battery43.3%
Expected solar self-consumption (PV only)343,544 kWh
Expected solar self-consumption (with battery)920,379 kWh
~300 UK homes powered
970M Wh generated per year
105% of resort needs met

This system generates nearly one million kilowatt-hours per year — more electricity than the entire resort consumes annually. That's the equivalent of powering approximately 300 average UK homes from a single commercial site. With the 229 kWh Sungrow battery bank, self-consumption is maximised and surplus generation is exported at 15p/kWh via the Smart Export Guarantee. If your hotel, resort, leisure centre, or commercial business in Lincolnshire, Grimsby, Cleethorpes, Scunthorpe, Hull, Lincoln or anywhere across the UK is considering large-scale commercial solar, this project demonstrates what's achievable with the right partner.

Battery Storage: Industrial-Scale Energy Management

229 kWh of Sungrow battery storage — powering a resort around the clock

At megawatt scale, the battery isn't a luxury — it's essential infrastructure. The Sungrow ST225kWh system transforms how Laceby Manor manages energy across every hour of every day.

⚡
43.3% Grid Independence

Without batteries, only 37.3% of solar generation would be self-consumed. The 229 kWh Sungrow battery lifts this to 43.3%, with 150,453 kWh discharged annually — keeping the resort powered when solar dips.

💰
Smart Export Revenue

Surplus generation earns 15p/kWh through the Smart Export Guarantee. With nearly 50,000 kWh exported annually, that's significant additional income on top of the bill savings.

🔄
Day/Night Tariff Arbitrage

Octopus Intelligent charges 7p overnight (11pm–5am) and 31p during the day. The battery charges at the cheap rate and discharges during peak hours — compounding savings daily.

🏨
Guest-Facing Continuity

Hotels and resorts cannot afford power disruptions. The 110 kW discharge rate ensures the resort can draw heavily from stored energy during peak guest activity without touching the grid.

🌙
Evening & Winter Coverage

The battery bridges the gap when solar generation drops — powering kitchens, bars, accommodation, and event spaces from stored energy rather than expensive grid electricity.

📈
Compounding Protection

With energy costs rising 7% annually, the resort's savings compound relentlessly. By 2038, annual savings exceed £1 million. By 2050, cumulative savings reach £26.5 million — from a single investment.

Environmental Impact — At Scale

🌍246 tonnesCO₂ saved per year
🌳47,206 treesEquivalent over lifetime
🚗7,342,764 kmCar distance avoided
✈️5,255 flightsLong-haul avoided

At 246 tonnes of CO₂ saved annually, this single installation has a greater environmental impact than most solar farms. Over its lifetime, the system is equivalent to planting 47,206 trees or taking thousands of cars off the road permanently. For a hospitality business where guests increasingly expect environmental responsibility, this installation is a powerful statement — not just a cost-saving measure. Sol4r Energy installs large-scale commercial solar systems for hotels, resorts, leisure centres, and businesses across Lincolnshire, Grimsby, Cleethorpes, Scunthorpe, Lincoln, Hull and nationwide.

Why Laceby Manor Chose Sol4r Energy

🏆 Megawatt-Scale Capability Not every solar installer can deliver a 1MW project. Sol4r Energy has the engineering expertise, supply chain relationships, and in-house installation teams to manage projects of this scale from design through to commissioning — on time and on budget.
🔬 Professional System Design The system was modelled using professional 3rd-party performance calculators, optimising panel orientation across two tilt groups (35° and 40°) to maximise annual yield from the site's specific geography and roof profile.
📋 Complete End-to-End Delivery From free survey to DNO application, three-phase wiring, tilt rack engineering, MCS commissioning, tariff setup, energy monitoring, and ongoing maintenance — Sol4r Energy handled every aspect of this landmark project.

Certifications & Warranties Included

MCS Commissioning Certificate
30-Year Panel Product Warranty
HIES Consumer Protection Warranty
30-Year Panel Performance Warranty
NAPIT Building Regulation Certificate
10-Year Sungrow Inverter Warranty
Electrical Safety Certificate (EICR)
10-Year Sungrow Battery Warranty
Workmanship Warranty
20-Year Online System Monitoring
2-Year Annual System Maintenance
Bird Protection (full perimeter)

All certifications issued on completion. Sol4r Energy is HIES-registered, NAPIT-approved, TrustMark-endorsed, and ISO 9001:2015 certified — the highest level of consumer protection for solar installations in the UK.

Solar PV Finance

Finance option available through Phoenix Financial Consultants Limited.

All finance applications are subject to status and approval by Phoenix Financial Consultants Limited. Sol4r Energy Ltd is an Introducer Appointed Representative (Financial Services Register No. 1005252) of Phoenix Financial Consultants Limited (FRN: 539195), which is authorised and regulated by the Financial Conduct Authority. Phoenix Financial Consultants Limited is a credit broker, not a lender.

Solar Services — Lincolnshire, Humberside & Nationwide

Get Large-Scale Commercial Solar Installed Anywhere in the UK

Free site survey · No-obligation quote · MCS-certified · From 10kW rooftops to 1MW+ megawatt-scale systems

0330 124 2945 Get a Free Quote Contact Us