ACL Energy
ACL Energy is a Milan-based developer of stand-alone battery energy storage system (BESS) projects in Italy, founded by Lorenzo Avello, Saverio Calabretta, Nicola Locascio, and 3E Ingegneria. It originates, permits, and finances utility-scale 4-hour and 8-hour storage assets for institutional operators and infrastructure investors.
- Company typePrivate
- Founded2022
- HeadquartersMilan, Italy
- Headcount1–10
- GTM typeB2B
- OfferingServices
What ACL Energy does
ACL Energy S.p.A. is a Milan-based developer of stand-alone battery energy storage system (BESS) projects in Italy, founded by Lorenzo Avello, Saverio Calabretta, Nicola Locascio, and engineering firm 3E Ingegneria (represented by Giovanni Saraceno). The company originates, permits, and finances utility-scale battery storage assets that connect directly to Italy's high-voltage transmission grid, with a portfolio that spans both 4-hour and 8-hour duration systems across multiple Italian market zones. Its underlying technology stack is conventional lithium-ion BESS rather than proprietary hardware or software; competitive differentiation rests on secured grid connections, permitting execution, and the ability to structure institutional capital partnerships.
ACL Energy's business model centers on developing projects to financial close and partnering with capital providers and operators to fund construction and operation. The company monetizes through development fees, project equity stakes, and partnership economics with operators such as BW ESS (under a 2.9 GW / 14-project joint venture) and infrastructure investors such as Qualitas Energy (which financed a 211 MW portfolio in May 2026). Corporate financing has been provided by Intesa Sanpaolo via a €0.5 million facility closed in July 2024. Customer segments are institutional infrastructure investors, IPPs and storage operators, and Italian banks providing acquisition and corporate financing.
ACL Energy firmographics
Firmographics- Name
- ACL Energy
- Legal name
- ACL Energy S.p.A.
- Website
- https://acl-energy.com
- Company type
- Private
- Founded year
- 2022
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- ACL Energy is a Milan-based developer of stand-alone battery energy storage system (BESS) projects in Italy, founded by Lorenzo Avello, Saverio Calabretta, Nicola Locascio, and 3E Ingegneria. It originates, permits, and finances utility-scale 4-hour and 8-hour storage assets for institutional operators and infrastructure investors.
- Ownership category
- akta.pro rank
ACL Energy industry classification
Industry- Product category
- Energy Storage Infrastructure Development
- akta.pro primary industry
- BESS EPC, Integration & Commissioning (EUAFAAAB)
- akta.pro secondary industry
- Energy Storage Asset Management (BESS/PCS/EMS) (EUAEAMAE)
Keywords
Where ACL Energy is headquartered
LocationHeadquarters
- HQ city
- Milan
- HQ country
- Italy
- HQ region
- Europe
Offices1 record
Markets served
ACL Energy business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales, Supply Chain
Revenue model
- Long-term contracted capacity payments: Revenue from 15-year capacity market and MACSE storage auction agreements providing contracted cash flows for developed BESS assets.
- Long-term asset ownership / project equity returns: ACL intends to become a long-term investor in part of its project pipeline, retaining equity exposure across the whole project life-cycle to capture operating-phase returns.
- Corporate debt financing: Debt facilities (e.g., €0.5M first closing with Intesa Sanpaolo, part of a planned up to €1.5M medium-term loan package) used to fund development activities rather than direct revenue, but indicative of capital stack supporting project pipeline value.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Outcome Based/ Performance | Multi-year contract | Project-level contracted revenues under 15-year capacity market and MACSE storage auction agreements. |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels4 records
ACL Energy product offering
Product offeringCore offering
ACL Energy is an independent Italian energy infrastructure developer that focuses exclusively on the greenfield development of stand-alone, utility-scale battery energy storage systems (BESS). It progresses projects from origination to a high-quality Ready-to-Build (RTB) state, with an active pipeline exceeding 5 GW of which 3.5 GW has secured grid connection. The company monetizes developed assets through 15-year capacity market and MACSE storage auction contracts, and intends to retain long-term equity exposure in a portion of the pipeline.
Product overview
ACL Energy operates as a single-line energy infrastructure developer focused exclusively on stand-alone, utility-scale Battery Energy Storage Systems (BESS) in Italy, rather than a platform-plus-modules software architecture. Its offering centers on the Stand-alone BESS Development Pipeline (a greenfield pipeline of more than 5 GW, with 3.5 GW having secured grid connection) and is delivered primarily through the BW ESS & ACL Energy Joint Venture BESS Portfolio (14 co-developed projects totaling 2.9 GW across Italy's North and South electricity zones) and the specifically defined 211 MW BESS Portfolio in Lombardy and Apulia, which was enabled by a construction financing agreement with Qualitas Energy. These named offerings together constitute ACL Energy's portfolio of BESS assets targeting the Italian capacity market and the MACSE storage auction.
Differentiator
Problem solved
Functional benefit
Products and services
- Stand-alone Battery Energy Storage System (BESS) Development Pipeline Greenfield development of stand-alone, utility-scale battery energy storage systems (BESS) in Italy, progressed from origination to a high-quality Ready-to-Build (RTB) state, with an active pipeline exceeding 5 GW of which 3.5 GW has secured grid connection. Intended for utilities, IPPs, global storage developers, and institutional capital partners seeking bankable, grid-secured BESS assets in Italy.
- BW ESS & ACL Energy Joint Venture BESS Portfolio Co-developed stand-alone utility-scale BESS portfolio built in partnership with BW ESS, covering 14 projects totaling 2.9 GW across Italy's North and South electricity zones, with all land and grid access secured and seven projects (over 1 GW) under MASE review. Targets utilities, IPPs and global storage developers seeking local Italian co-development exposure.
- 211 MW BESS Portfolio (Lombardy and Apulia) 211 MW stand-alone battery energy storage portfolio comprising two projects in Lombardy and Apulia with 4-hour and 8-hour battery storage systems, financed through a construction financing agreement with Qualitas Energy's credit fund (over €370 million in commitments) and benefiting from 15-year capacity market and MACSE storage auction contracts. Targeted at institutional capital providers and credit funds seeking long-duration, contracted-revenue BESS exposure in Italy.
Quantifiable outcome
- >5 GW active development pipeline, 3.5 GW with secured grid connection
- +2 more outcomes
Companies that use ACL Energy
Customer profileSegments4 records
Ideal customer profiles3 records
ACL Energy technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature2 records
ACL Energy partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered flagship, minor and core.
- BW ESSflagshipACL Energy and BW ESS initially partnered in February 2024 around three BESS projects totalling 0.4 GW in Italy. In November 2024 they expanded the JV by adding eleven further projects for 2.5 GW of additional capacity, bringing the joint pipeline to 14 projects / 2.9 GW across Italy's North and South electricity zones. Northern projects will target the capacity market; Southern projects will bid into the MACSE storage auction. Seven projects totalling >1 GW are already under MASE review. BW ESS brings global storage execution experience (part of BW Group); ACL Energy provides local development, grid-secured sites and permitting know-how.
- Eversheds SutherlandminorEversheds Sutherland, together with Studio Rigamonti, acted as legal advisor to ACL Energy in connection with the BW ESS joint venture expansion to co-develop an additional 2.5 GW of BESS projects in Italy.
- Studio RigamontiminorStudio Rigamonti, alongside Eversheds Sutherland, served as legal counsel to ACL Energy for the expansion of the BW ESS joint venture covering an additional 2.5 GW of BESS projects in Italy.
- 3E Ingegneriacore3E Ingegneria is a co-founder of ACL Energy, with its CEO Giovanni Saraceno serving as a Partner – Technical Development at ACL Energy. 3E Ingegneria brings 25+ years of renewables technical development and grid planning experience for RES and batteries in Italy, providing deep engineering capability and electrical-grid expertise for the Italian transmission system.
Scale indicators6 records
Recent moves4 records
Expansion highlights5 records
ACL Energy competitors and assessment
Company assessmentBroad incumbents
- Saft (TotalEnergies): France-headquartered battery manufacturer and BESS system integrator, subsidiary of TotalEnergies. Comparable to ACL as a utility-scale BESS provider serving European grid markets, though Saft operates as a broader battery technology platform spanning multiple chemistries and applications.
- Fluence Energy: US-headquartered global utility-scale BESS developer and integrator with active projects in Italy and across Europe. Overlaps with ACL's stand-alone BESS focus, but at materially larger scale, broader geographic footprint, and a portfolio including co-located and front-of-the-meter configurations.
- Edison S.p.A. Italian energy company owned by EDF, active in renewables and BESS development in Italy. Comparable to ACL on Italian grid-connected storage and capacity market participation, but operating as a multi-vertical utility with broader generation and retail activities.
- Enel Green Power: Italian-headquartered global renewables developer and IPP, part of the Enel Group, with utility-scale BESS projects in Italy and internationally. Competes with ACL for capacity market and MACSE awards and for grid-secured sites in Italy, but operates as a diversified incumbent across wind, solar, and storage.
- Tesla Energy (Megapack): US-headquartered manufacturer and developer of utility-scale Megapack BESS with deployments globally including Europe. Comparable to ACL on stand-alone utility-scale BESS, though operating at much larger scale, with proprietary hardware plus software stack, and across multiple geographies.
- A2A S.p.A. Italian multi-utility with renewables generation and emerging BESS activities in Italy. Competes with ACL for grid-secured storage sites and capacity market/MACSE revenues in the Italian market, though storage represents a small portion of a broader municipal utility portfolio.
- Wärtsilä Energy Storage: Finland-headquartered global energy storage and optimization platform developing grid-scale BESS projects worldwide. Comparable to ACL on stand-alone utility-scale BESS economics and grid services revenue, though operating at larger scale and across multiple geographies.
Emerging players
- Energy Vault: US-headquartered energy storage technology and project developer with European utility-scale BESS activities. Adjacent to ACL in the long-duration storage category, with overlapping focus on 4-hour-plus duration assets serving European grid markets.
Direct peers
- BW ESS: Sweden-headquartered standalone battery energy storage developer operating across Europe, including Italy. BW ESS is ACL Energy's direct JV partner for the 14-project/2.9 GW pipeline, making it the closest comparable in asset focus, project type, and target revenue mechanisms (capacity market and MACSE).
- Nidec ASI: Italian/European-headquartered BESS systems integrator and developer with utility-scale project references across Europe. Directly comparable to ACL in its focus on multi-hour, grid-connected BESS for European regulated markets, with overlapping engineering and grid-interconnection expertise.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks5 records
Key highlights6 records
Customer concentration
ACL Energy social profiles
Digital presenceACL Energy financial estimates
Financial estimateRevenue estimate
Valuation estimate
ACL Energy leadership team
Management profileNumber of profiles
Profiles4 records
ACL Energy subsidiaries and ownership
Company hierarchySubsidiaries1 record
ACL Energy funding detail
Funding detailFunding overview
Funding rounds1 record
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
ACL Energy M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about ACL Energy
What does ACL Energy do?
ACL Energy is an independent Italian energy infrastructure developer that focuses exclusively on the greenfield development of stand-alone, utility-scale battery energy storage systems (BESS). It progresses projects from origination to a high-quality Ready-to-Build (RTB) state, with an active pipeline exceeding 5 GW of which 3.5 GW has secured grid connection. The company monetizes developed assets through 15-year capacity market and MACSE storage auction contracts, and intends to retain long-term equity exposure in a portion of the pipeline.
Is ACL Energy a public or private company?
ACL Energy is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was ACL Energy founded?
ACL Energy was founded in 2022. It employs 1 to 10 people.
Where is ACL Energy based?
ACL Energy is headquartered in Milan, Italy, in the Europe region.
How does ACL Energy make money?
Three revenue lines are on record. Long-term contracted capacity payments are the primary driver. The others are long-term asset ownership / project equity returns and corporate debt financing.
Who are ACL Energy's main competitors?
Broad incumbents on record are Saft (TotalEnergies), Fluence Energy, Edison S.p.A., Enel Green Power, Tesla Energy (Megapack), A2A S.p.A. and Wärtsilä Energy Storage. Energy Vault is listed as an emerging player. Direct peers are BW ESS and Nidec ASI.
Does ACL Energy have an API?
No public API is recorded for ACL Energy.
What industry is ACL Energy in?
ACL Energy's product category is Energy Storage Infrastructure Development. Its primary akta.pro industry code is EUAFAAAB, BESS EPC, Integration & Commissioning, with a secondary code of EUAEAMAE, Energy Storage Asset Management (BESS/PCS/EMS).