What Midsummer Wholesale does

Midsummer Wholesale, operated by Midsummer Energy Ltd, is a UK-based wholesale distributor of renewable energy components serving trade installers of solar PV, heat pumps, battery storage, and EV chargers. Founded in 2005 by Andy (Managing Director) from a narrowboat, the company is headquartered at Cambridge Road Industrial Estate, Milton, with additional distribution centres in Glasgow (35,000 sq ft, opened 2022), Cambridge (Coldhams Business Park), and Sherburn in Elmet, plus an Irish subsidiary (Midsummer Renewables Ltd, Dublin) established in 2019. Recent headcount stands at 140+ employees and the business processes approximately 60,000 orders per year.

The product range spans solar panels (AIKO, Astronergy, Eurener, Jinko, Longi, Trina, Solfit, InstaGen), inverters (Enphase, Atmoce, Fronius, Fox ESS, Growatt, SolarEdge, SolaX, Sungrow, Tigo optimisers), battery storage (Alpha ESS, EcoFlow, GivEnergy, Sigenergy, SolarEdge, SolaX, Sungrow, plus Eleven Energy sodium-ion), EV chargers (Zappi, myenergi, GivEnergy, Sigenergy, Veva, and others), air-to-water and air-to-air heat pumps (Samsung, Vaillant, Bosch, Ideal, Mitsubishi, EcoFlow, Stiebel Eltron, Grant Aerona), and a comprehensive mounting and electrical ancillaries catalogue. Midsummer complements this hardware catalogue with proprietary software: Easy-PV (web-based solar design tool covering roof layout, inverter stringing, DC/AC checks, shading analysis, structural calculations, payback forecasting, quotation tools, MCS documentation and auto G98/G99 DNO applications, integrated with the wholesale basket for seamless purchasing), Heatpunk (heat-loss calculation tool for heat pump systems), Smug (home battery optimisation with iOS/Android apps), and embeddable Speedy PV / Shrunk Punk lead-generation widgets.

The business model combines transactional wholesale distribution with a software-as-channel layer. Trade customers register for discounted pricing via online or phone/email channels; quotations are valid for 30 days, prices are displayed ex-VAT, and Easy-PV offers a freemium tier plus an Enterprise version with bespoke multi-year contracts, API integration, multi-user access, and corporate training. Distribution is domestic/regional (UK + Ireland) via direct e-commerce, telephone, and email. The company has received Solar & Storage Live 'Distributor of the Year' awards (2020 and 2022), Cambridgeshire Top 100 placements (No. 32 in 2023, No. 7 in 2024), #2 in Grant Thornton's 50 Fastest Growing Businesses (2024), and inclusion in the Financial Times 2025 Fastest 1000 in Europe.

Name

Midsummer Wholesale

Legal name

Midsummer Energy Ltd

Website

https://midsummerwholesale.co.uk

Company type

Private

Founded year

2005

Operating status

Operating

Headcount range

1–10 employees

Short description

Midsummer Wholesale is a UK and Ireland renewable-energy components distributor serving trade installers with solar PV, heat pump, battery storage and EV charger products, complemented by the proprietary Easy-PV and Heatpunk design software integrated with its purchasing platform.

Ownership category

akta.pro rank

Headquarters

HQ city

Cambridge

HQ country

United Kingdom

HQ region

Europe

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. Wholesale Distribution of Renewable Energy Components: Revenue from selling solar PV panels, inverters, batteries, heat pumps, EV chargers, mounting systems, and ancillaries to trade customers (installers). Trade pricing offered to registered account holders with discounted prices vs retail.
2. Software Subscriptions: Easy-PV and Heatpunk software tools offered to trade customers. Easy-PV offers free registration with trade discount integration for linked Midsummer accounts. Enterprise version available with custom pricing based on features required.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

Midsummer Wholesale distributes solar PV, heat pump, battery storage and EV charger components at trade-discounted prices to MCS installers across the UK and Ireland, assembling components into complete installation kits. Sales are processed through an own e-commerce storefront, phone and email, and are tightly integrated with its in-house Easy-PV and Heatpunk design-and-quote software tools that handle system design, G98/G99 DNO applications and seamless purchasing.

Product overview

Midsummer Wholesale operates as a UK renewable energy components wholesaler offering a comprehensive portfolio of products and tools. Their core offerings include complete solar PV kits and heat pump kits for installations, complemented by an extensive range of individual components spanning solar panels (from brands like AIKO, Trina, Jinko, Longi), inverters (microinverters and string inverters from Enphase, Atmoce, SolarEdge, Fox ESS, Growatt), battery storage systems, EV chargers, and heat pump systems (air-to-water and air-to-air from Samsung, Vaillant, Bosch, Ideal, Mitsubishi). The company also offers proprietary software tools including Easy-PV (web-based solar PV design software with purchasing integration), Heatpunk (heat pump system design software), and Smug (home battery optimization platform). The software tools are positioned as integrated offerings that connect to Midsummer's product catalog for seamless purchasing.

Differentiator

Problem solved

Functional benefit

Brands

• Easy PV: Solar PV design management tool for roof layout designs, inverter compatibility, performance calculations, quotations, structural calculations, and seamless purchasing with auto DNO applications.
• Heatpunk
• Smug
• Speedy PV
• Shrunk Punk

Products and services

• Solar PV Kits Pre-configured complete kits for residential and commercial solar PV installations combining solar panels, inverters, mounting systems and necessary components.
• Heat Pump Kits Complete kits for heat pump installations including air-to-water and air-to-air heat pumps along with necessary ancillaries and accessories for trade installers.
• Easy-PV Solar Design Software Proprietary web-based solar PV design tool offering roof layout designs, inverter string configurations, DC+AC electrical checks, performance generation with sunpath shading, auto-generated schematics, structural calculations, financial forecasting, quotation tools, auto DNO applications and seamless purchasing integration with Midsummer Wholesale.
• Heatpunk Heat Pump Design Software Proprietary heat-loss calculation and design tool for heat pump systems that supports designs, quotes and purchasing within an integrated solar and heat pump platform.
• Smug Home Battery Optimization Platform Smart controller platform for optimizing home battery use and home energy management, offered as a home management platform with iOS and Android apps.
• Solar Panels Distribution Wholesale supply of solar panels from brands including AIKO (ABC N-Type modules up to 23.8% efficiency), Astronergy, Eurener, Jinko, Longi, Trina, Solfit (British building-integrated PV) and InstaGen.
• Inverters Distribution Wholesale range of microinverters (Atmoce with 25-year warranty, Enphase), string inverters (Fronius, Fox ESS, Growatt, Sofar, SolarEdge, SolaX, Sungrow) and Tigo optimisers.
• Battery Storage Systems Distribution Wholesale supply of energy storage systems including Alpha ESS, Atmoce, Eleven Energy (sodium-ion), EcoFlow, Enphase IQ Batteries, Fox ESS, Growatt, InstaGen, Myenergi libbi, Sigenergy, SolarEdge, SolaX and Sungrow battery solutions.
• EV Chargers Distribution Wholesale supply of EV charging solutions including Alpha ESS, EcoFlow, Enphase, Fox ESS, GivEnergy, SolarEdge, Sigenergy, Veva and Zappi chargers.
• Air-to-Water Heat Pumps Distribution Wholesale supply of air-to-water heat pumps from Samsung, Vaillant, Bosch, Ideal Heating, Mitsubishi, EcoFlow, Stiebel Eltron and Grant Aerona brands.
• Air-to-Air Heat Pumps Distribution Wholesale supply of air-to-air heat pumps and air conditioning systems from Samsung and Bosch.
• Heat Storage Solutions Distribution Wholesale supply of heat storage solutions including Telford, Vaillant, World Heat stainless and UK cylinders, Sunamp phase-change water storage heaters, Becker & Wolf heat pumps and Ideal heat pump cylinders.
• Solar Mounting Systems Distribution Wholesale supply of solar mounting solutions covering pitched roofs, flat roofs, in-roof integration and ground mounting systems from Fastensol, Renusol, K2, GSE, Solfit, Solarport, Van der Valk and Nicholson.
• Electrical Components Distribution Wholesale supply of electrical accessories including DC and AC cabling and connectors, DC and AC isolators, enclosures, breakers, kWh meters, and safety devices such as alarms, ArcBox and FireFighter switches.
• Solar for Flats (SolShare by Allume) Distribution of SolShare by Allume, an innovative technology connecting multiple flats to a single solar system and enabling shared solar power across UK multi-dwelling buildings.

Named customers1 record

Segments1 record

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Six partnerships are on record, tiered core.

• Easy-PVcoreTechnology or IntegrationProprietary solar PV design management tool developed in-house. Offers roof layout designs, inverter configurations, electrical checks, performance calculations, structural calculations, financial forecasting, quotation tools, automated MCS documentation, and DNO applications. Integrates directly with Midsummer Wholesale for seamless purchasing.
• HeatpunkcoreTechnology or IntegrationProprietary heat loss calculation tool for heat pump system designs, quotes and purchasing. Part of integrated solar and heat pump platform.
• Solar Panel Manufacturers (AIKO, Astronergy, Eurener, Jinko, Longi, Trina, Solfit, InstaGen, etc.)coreChannel Partner/ Reseller/ DistributorDistributes solar panels from leading manufacturers including AIKO, Astronergy, Eurener, Jinko, Longi, Trina, Solfit, and InstaGen.
• Heat Pump Manufacturers (Samsung, Vaillant, Bosch, Ideal, Mitsubishi, EcoFlow, Stiebel Eltron, Grant)coreChannel Partner/ Reseller/ DistributorDistributes heat pumps from major brands including Samsung, Vaillant, Bosch, Ideal Heating, Mitsubishi, EcoFlow, Stiebel Eltron, and Grant Aerona.
• Inverter Manufacturers (Atmoce, Enphase, Fronius, Fox ESS, Growatt, SolarEdge, SolaX, Sungrow)coreChannel Partner/ Reseller/ DistributorDistributes inverters from leading manufacturers including Atmoce, Enphase, Fronius, Fox ESS, Growatt, SolarEdge, SolaX, and Sungrow.
• Battery Storage Manufacturers (Alpha ESS, EcoFlow, Enphase, Fox ESS, Growatt, GivEnergy, SolarEdge, Sigenergy, SolaX, Sungrow)coreChannel Partner/ Reseller/ DistributorDistributes battery storage systems from major brands including Alpha ESS, EcoFlow, Enphase, Fox ESS, Growatt, GivEnergy, SolarEdge, Sigenergy, SolaX, and Sungrow.

Scale indicators8 records

Recent moves9 records

Expansion highlights5 records

Broad incumbents

• Rexel UK: Rexel is a global electrical products distributor with a significant UK branch network supplying electrical contractors and increasingly extending into renewables (solar, EV charging). Comparable as a much larger incumbent moving into Midsummer's category from a broader electrical base.
• Travis Perkins: Travis Perkins is the UK's largest builders' merchant group with national branch coverage, increasingly offering renewables and energy-efficiency products to trade customers. Comparable as a broad incumbent with trade installer relationships expanding into Midsummer's categories.
• Edmundson Electrical: Edmundson is a major UK electrical wholesaler with 250+ branches serving electrical contractors, industrial and commercial customers, with a growing renewables product range. Comparable as a broad incumbent that competes in adjacent product lines and is encroaching on the solar/HVAC categories.
• Sonepar UK: Sonepar is a global electrical distribution group operating in the UK, supplying electrical installers and contractors with a broad range of products including an expanding renewables portfolio. Comparable as a multinational broad-line electrical wholesaler expanding into Midsummer's specialist categories.

Direct peers

• Sol Distribution: Sol Distribution is a UK solar PV and renewables wholesaler supplying panels, inverters, mounting and balance-of-system components to trade installers. Comparable channel, customer base and product overlap with Midsummer's solar PV range.
• Krannich Solar: Krannich Solar is a leading European PV wholesale distributor with a UK presence, offering panels, inverters, mounting and storage from Tier-1 brands to installer customers. Directly comparable as a multi-country specialist renewables wholesaler with similar product breadth and trade-only focus.
• Segen: Segen is one of the UK's largest dedicated solar PV and energy storage distributors, supplying panels, inverters, batteries and EV chargers to trade installers with online ordering and design tools. Highly comparable to Midsummer as a same-channel specialist distributor serving the UK installer market.
• City Plumbing: City Plumbing is a major UK plumbing, heating and bathroom products distributor with a national branch network, now stocking heat pumps and renewables for installer customers. Comparable for the heat pump side of Midsummer's portfolio given overlapping trade customer base and product categories.
• AEE Renewables: AEE Renewables is a UK-based distributor of solar PV, heat pumps, EV chargers and battery storage, serving trade installers with a comprehensive renewables catalog. Closely comparable in product range, channel model and target customer segment.

Emerging players

• Greentech Renewables: Greentech Renewables is a US-headquartered solar PV and energy storage distributor with operations expanding into UK and European markets, focused on installer customers with design and procurement software. Comparable business model and product mix, representing an emerging cross-border competitive threat.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/2356669
• Xx.com/solarwholesaler
• Facebookfacebook.com/solarwholesaler

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Midsummer Wholesale