Senior Legal Counsel
BW Energy Storage Systems
Company Overview
BW Energy Storage Systems, a subsidiary of BW Group
Singapore
2020
Approximately 30 employees (source: ess-news.com).
What They Do
BW Energy Storage Systems (BW ESS) specializes in battery energy storage systems (BESS), acting as a developer, owner, and operator of utility-scale projects that enhance energy market efficiency, integrate renewable energy sources, and stabilize electrical grids. The company focuses on large-scale BESS platforms that utilize advanced liquid-cooled technologies, such as Sungrow’s PowerTitan 2.0, which provide essential grid-forming capabilities including black start, millisecond inertia support, and frequency/voltage stabilization (source: bw-ess.com). These systems are designed for durations of up to 3.5 hours, enabling revenue generation through tolling agreements, frequency response, and energy arbitrage, particularly in deregulated energy markets across Europe and Australia (source: bw-group.com). BW ESS's strategic focus on long-term asset ownership rather than merchant sales allows it to serve grid operators, utilities, and energy traders effectively (source: bw-ess.com). The company leverages its backing from BW Group for funding and maritime expertise, which enhances its capacity for rapid project execution and innovative revenue models, positioning it as a leader in the energy storage sector (source: bw-group.com).
Projects & Track Record
As of early 2025, BW ESS boasts over 500MWh of operational BESS projects and more than 1GWh currently under construction, alongside a robust 7GW development pipeline (source: bw-group.com). A flagship project is the 100MW/331MWh Bramley BESS located near Bramley, Hampshire, UK, which became operational in early 2025, marking it as the largest battery energy storage system in the UK at that time and capable of powering approximately 44,000 homes daily (source: bw-group.com). Other significant projects include the Hams Hall site in the UK, which is currently under construction with a capacity of 1.4GWh, and the Berkswell site, which is at the ready-to-build stage (source: cbinsights.com). The company is also engaged in a 700MW/3.5-hour BESS portfolio in the UK, a 1.5GW collaboration with Zelos Energy in Germany, and multiple projects in Italy and Australia, significantly expanding its geographic footprint and operational capacity (source: bw-ess.com). Key clients include Shell Energy Europe, with whom they have a 7-year tolling agreement for the Bramley project, and partnerships with local developers to facilitate market entry (source: bw-group.com).
Recent Developments
In February 2025, BW ESS celebrated the inauguration of the 100MW/331MWh Bramley BESS, marking its first European project with Sungrow PowerTitan 2.0, under a groundbreaking 7-year tolling agreement with Shell Energy Europe established in 2024 (source: bw-group.com). In October 2024, the company made headlines by acquiring the remaining shares of Penso Power, thereby merging its team of nearly 30 specialists and adding a significant 2GW pipeline of projects in the UK and Australia, which contributed to a total pipeline of 5GW (source: ess-news.com). Additionally, BW ESS secured a 1.4GWh supply deal with Sungrow for the Hams Hall project and advanced joint projects in the UK and Italy (source: cbinsights.com). Recent announcements in 2025 included AIP Management acquiring a 49% stake in a 700MW/3.5-hour UK BESS portfolio and a collaboration with Zelos Energy Developments for a 1.5GW project in Germany (source: bw-ess.com). The Bramley project has been recognized as a significant milestone for enhancing UK grid resilience (source: bw-group.com).
Working There
BW ESS is actively hiring across various roles including project development, engineering, commercial operations, and business development, particularly following the integration of Penso Power in 2024, which enhanced their team with specialists focused on delivery and market entry (source: ess-news.com). The company is focusing its recruitment efforts on project sites in the UK, Australia, Italy, Germany, and Sweden, with a global team of nearly 30 supporting its multi-market expansion (source: bw-group.com). The culture at BW ESS is characterized by close-knit collaboration, as highlighted by CEO Erik Strømsø, who refers to the Penso teams as "trusted colleagues," fostering synergies in a fast-paced environment that navigates complex grid codes and local strategies (source: youtube.com). While specific benefits such as salaries or perks are not publicly documented, the long-term owner-operator model suggests a degree of stability tied to BW Group's extensive infrastructure expertise (source: bw-ess.com). Job seekers are encouraged to monitor LinkedIn for openings in Singapore and Europe as the company scales its operations to meet growing demand (source: linkedin.com).
Last updated on Feb 23, 2026 | Report an issue
Job Description
The Senior Legal Counsel will play a critical role in BW ESS's Australian business, acting as the principal legal advisor and risk owner across strategy, project development, transactions, operations, and governance.
Key Responsibilities
Stakeholder Management & Leadership
- Influence and develop Australian business strategy as part of Australian management team
- Act as the primary legal risk owner for BW ESS in Australia, responsible for identifying, assessing and managing legal and regulatory risks, and escalating material issues to the General Counsel and Senior Management Team
- Collaborate with the General Counsel and BW Group global legal teams to ensure alignment with group standards, policies and best practices
- Develop and manage external counsel strategy, including selection, budgeting, performance management and efficient allocation of work
Project Development, New Transactions and Financings
- Act as the legal lead for BW ESS's Australian business across all stages of BESS project development, from site acquisition and feasibility through to final investment decisions and construction
- Oversee the negotiation of key project documentation including land access, grid connection, BESS supply, EPC, LTSA and revenue offtake agreements, as well as related project documentation
- Support wider BW ESS teams on acquisitions, divestments and joint ventures including transaction structuring, due diligence and negotiation of transaction documentation (including SPAs, SHAs and development services agreements)
- Oversee legal matters relating to project/holdco financings, including structuring and negotiation of finance documents and coordination with legal counsel, in close partnership with the BW ESS finance team
- Develop legal strategy in relation to FIRB and other foreign investment, regulatory and critical infrastructure approvals, including engagement with regulators and advisors
Asset Management & Operations
- Oversee legal and contractual matters relating to existing operational assets, including contract lifecycle management, amendments, performance issues and dispute resolution
- Advise on operational compliance obligations and interface with key counterparties including contractors, operators and offtakers
Governance, Compliance & Other
- Oversee delivery of corporate legal support to the General Counsel and wider BW ESS business, including governance, group structuring and overseeing company secretarial matters
- Monitor and advise on relevant legislative, regulatory and market developments impacting the energy storage sector and broader energy markets
- Lead and support the implementation of compliance, ESG and internal policy frameworks in Australian, in coordination with the General Counsel
- Draft and/or oversee development of standard form documentation and internal precedents across BW ESS
Key Requirements
- Qualified solicitor in Australia
- At least 10 years of experience in a top-tier law firm or in-house role within the renewable energy sector, preferably with multi-jurisdictional experience
- Strong understanding of project development, construction and revenue offtake contracts is required; broader experience of M&A, partnership and project financing documentation is desirable
- Demonstrated ability to review, draft, and negotiate complex commercial agreements
- Commercial mindset and the ability to work autonomously and manage multiple transactions and portfolio matters in a fast-paced, growth-oriented environment
- Confident in dealing with senior counterparties
- Excellent written and verbal communication negotiation skills
- Enthusiastic, collaborative and proactive attitude
Why Join BW ESS
- Join a high-growth global organisation at the forefront of the energy transition
- Work across diverse and impactful projects that support Australia's renewable energy future
- Collaborate with an experienced, multidisciplinary team in a supportive and agile environment
- Competitive remuneration, flexible work arrangements, and opportunities for professional development
Apply now
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Apply now
Job expired?Please let BW Energy Storage Systems know you found this job on Rejobs. This will help us grow and get more people to work on renewable energy!
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About the role
April 5, 2026
Full time
Company
- Melbourne, Australia
At least 10 years
UTC+10:00
