Introduction: Why Massachusetts Is Poised for a Storage Surge
Massachusetts is charging ahead toward a cleaner, more resilient grid, but not without challenges. Climate risks, grid constraints, and ambitious policy mandates are converging at once. Rising electrification, aging infrastructure, and the growing need for reliable backup power are driving an urgent need for innovation.
Battery Energy Storage Systems (BESS) are at the center of the state’s solution. For developers, municipalities, and commercial property owners, that means real opportunity.
Massachusetts has committed to deploying over 1,000 MWh of energy storage by 2025, with a new mandate to reach 5,000 MW of capacity by 2030 under the 2024 Clean Energy Act. Between state procurements, utility programs, tax incentives, and financing tools, the Bay State offers one of the strongest incentive ecosystems in the country.
Many of these programs are competitive, first come, first served, and rapidly evolving. Both timing and design matter.
Massachusetts’ Storage Policy Landscape
Massachusetts built energy leadership through policy. The Energy Storage Initiative (ESI) set the foundation by funding pilots, analyzing market barriers, and setting early capacity targets. From there, momentum accelerated and culminated in the 2024 Clean Energy Bill, which introduced Section 83E, a pivotal development for large scale energy storage procurements.
This legislation empowers utilities to contract long‑term with energy storage providers, ensuring stability and predictability for developers. It’s a clear sign that the state sees storage as critical infrastructure, not just a grid accessory.
Meanwhile, agencies like the Massachusetts Department of Energy Resources (DOER) and MassCEC continue to shape the roadmap by directing grants, technical assistance, and funding for projects that advance resilience and decarbonization.
Storage is about safeguarding communities, cutting emissions, and future‑proofing the grid.
State & Local Incentive Programs for BESS
Let’s break down the major Massachusetts programs currently active or applicable to commercial, industrial, and developer‑level BESS deployments.
Section 83E Energy Storage Procurements
Massachusetts’ newest large‑scale opportunity comes from Section 83E, a direct procurement mechanism under the 2024 Clean Energy Bill.
Eligibility:
Front‑of‑meter or large behind‑the‑meter projects designed to deliver energy capacity or grid services.
Structure:
Utilities such as Eversource, National Grid, and Unitil issue competitive requests for proposals (RFPs) for storage systems and associated environmental attributes. The goal is to secure up to 1,500 MW of mid-duration storage capacity over the next five years.
Benefits:
- Multi‑year contracts providing predictable long‑term revenue
- Encourages investment in grid‑scale and hybrid storage projects
- Stabilizes developer cash flow through indexed payments
The first round was released in July 2025, with more rounds planned through 2030. Early movers will gain a crucial advantage in bid evaluation and capacity allocation.
SMART 3.0 Solar + Storage Adders
The Solar Massachusetts Renewable Target (SMART) program has evolved, and its latest version, SMART 3.0, directly integrates battery storage.
Eligibility:
Commercial and industrial PV systems 25 kW and above qualify, with storage becoming mandatory for many projects over 1 MW.
Structure:
SMART provides a “storage adder.” It is an additional incentive layered onto the base solar rate for projects that pair batteries with solar generation.
Benefits:
- Adds $0.045–$0.076 per kWh for 10 to 20 years
- Strengthens project bankability by creating consistent recurring revenue
- Encourages grid support through dispatchable energy capacity
Final regulations take effect September 2025. Early participants will capture higher adder rates before blocks fill. For developers, this is a golden window. Paired storage is strategic.
Commercial ConnectedSolutions (Demand Response Incentive)
If your system can respond when the grid needs help, ConnectedSolutions will pay you for it. This demand response program rewards flexibility and turns stored energy into a recurring revenue stream.
Eligibility:
Commercial and industrial systems ≥ 50 kW, located within Eversource, National Grid, or Unitil territories.
Structure:
Programs run year-round and are structured around both Summer and Winter Demand Response seasons. Battery energy storage systems discharge during peak demand events and earn payments based on their availability and performance.
Benefits:
- Up to $200 per kW‑summer for “Daily Dispatch” mode
- Recurring revenue for grid services without disrupting operations
- Supports hybrid systems with solar, load controls, or generators
The program is currently open for enrollment. ConnectedSolutions has become a cornerstone for C&I resilience strategies, often paired with SMART or tax incentives for optimized ROI.
Property Tax Exemptions (Clause 45 / RPT Exemption)
Massachusetts offers a property tax exemption that protects clean energy investments, including solar plus storage systems, from added property value assessments. This incentive helps ensure that installing advanced energy systems does not result in higher property taxes for owners or developers.
Eligibility:
Applies to solar + storage systems primarily serving on‑site load or operating under a PILOT (Payment in Lieu of Taxes) agreement.
Structure:
The program provides an exemption of up to 20 years on the increased property value resulting from the installation of eligible clean energy systems. This helps preserve the financial benefits of the investment over the long term.
Benefits:
- Shields developers from property tax hikes post‑installation
- Keeps operational costs predictable and stable
- Encourages local governments to support storage projects
This program is active statewide, but implementation is handled at the local level. It is important to work early with assessors or municipal officials to secure the exemption or negotiate a PILOT agreement.
This simple exemption often translates into hundreds of thousands of dollars in lifetime savings.
Advancing Commonwealth Energy Storage (ACES) Program
The ACES Program, led by MassCEC, is one of Massachusetts’ most forward-looking energy storage initiatives. It is designed to support innovative storage projects that deliver technical, economic, or community value.
Eligibility:
Innovative storage projects demonstrating new technologies, use cases, or community benefits.
Structure:
The program offers competitive cost-share grants that help offset the costs of pilot, demonstration, or pre-commercial energy storage deployments. These grants are designed to support early-stage projects that advance innovation and market adoption.
Benefits:
- Reduces capital risk for first‑of‑kind projects
- Encourages municipal, academic, and private sector collaboration
- Promotes diversity in storage technologies and applications
The program is active through 2026, with new solicitations expected on an annual basis. ACES serves as a proving ground for next generation projects and is ideal for developers looking to push the envelope.
Utility Programs & Market Pathways
Commercial Energy Efficiency + Storage Pairing (via Mass Save)
Storage doesn’t have to stand alone. Through Mass Save, developers can integrate BESS into larger energy efficiency projects.
Eligibility:
Commercial, industrial, or institutional facilities pairing storage with HVAC controls, demand management, or energy efficiency upgrades.
Structure:
The program provides custom rebates and cost-share funding based on verified energy savings and demonstrated load flexibility.
Benefits:
- Offsets design, engineering, and implementation costs
- Enables broader modernization of building systems
- Ideal for microgrids, campuses, and performance‑based contracts
The program is active but evaluated on a case‑by‑case basis. It requires a detailed engineering proposal to document measurable energy savings.
ISO‑NE & Clean Peak Credit Participation
In addition to state and utility incentives, battery energy storage projects in Massachusetts can generate market-based revenue by participating in programs administered through the Independent System Operator of New England (ISO‑NE) and the Clean Peak Standard. These opportunities reward systems that support the grid during high-demand periods by either exporting energy or reducing load. For developers, this represents a growing pathway to monetize system flexibility and strengthen overall project economics.
Eligibility:
Front-of-meter or aggregated distributed energy resource (DER) projects that can export energy or curtail load during peak demand events.
Structure:
Qualifying systems generate Clean Peak Energy Certificates (CPECs), tradable in the Massachusetts Clean Peak Standard market. Participation can occur directly or through aggregators, creating multiple pathways for developers to capture value.
Benefits:
- Adds a new revenue stream for grid‑supportive storage
- Encourages alignment with renewable generation and demand patterns
- Can be stacked with SMART or ConnectedSolutions for stronger returns
The market is still maturing, but participation is growing rapidly. Aggregation frameworks are stabilizing under ISO‑NE, making it easier for projects to enter and compete effectively.
Tax & Financing Tools
Property Assessed Clean Energy (PACE Massachusetts)
Property Assessed Clean Energy is a flexible and cost-effective financing tool for battery storage and other clean energy upgrades. It helps overcome upfront capital barriers by allowing repayment through the property tax bill over time.
Eligibility:
Commercial, industrial, and nonprofit properties in participating municipalities.
Structure:
The program provides long-term financing, typically over 20 to 25 years, which is repaid through the property tax bill and does not require corporate credit.
Benefits:
- Covers up to 100% of project costs
- Low‑interest, off‑balance‑sheet financing
- Ideal for capital‑intensive BESS installations
The program is expanding statewide as more cities and counties choose to opt in. It is an ideal option for developers seeking to spread costs without diluting cash reserves.
Federal Investment Tax Credit & MACRS
At the federal level, battery storage remains one of the most incentivized asset classes available. The Investment Tax Credit (ITC) and Modified Accelerated Cost Recovery System (MACRS) offer substantial financial benefits that can dramatically reduce the cost of commercial and utility-scale BESS installations. These incentives are key drivers of project feasibility and long-term return on investment.
Eligibility:
All commercial and utility-scale BESS installations, whether standalone or solar-paired.
Structure:
- 30% base ITC on eligible project costs
- Up to 10-20% in bonus adders for domestic content and energy community locations
- 5-year MACRS accelerated depreciation with 100% bonus depreciation available in 2025
Benefits:
When combined, these incentives can reduce net project costs by 50% or more, significantly improving project feasibility and shortening payback periods.
It is important to work with a qualified tax advisor early in the process to verify domestic content eligibility. This also helps ensure that all documentation is properly prepared to capture the full value of available tax credits.
Strategic Stacking for Maximum ROI
The strongest Massachusetts projects combine several into a cohesive financing strategy.
Common Stacks
- SMART Adder + ConnectedSolutions + ITC + MACRS
- Property Tax Exemption + Municipal PILOT
- ACES or AMP Grant + ISO‑NE Clean Peak Revenue
Key Optimization Tips
- Design early for compliance. Storage capacity, duration, and inverter type can determine eligibility.
- Engage utilities and local AHJs during planning to streamline permitting and interconnection.
- Model multiple revenue streams such as demand response, Clean Peak Energy Certificates, and energy arbitrage.
- Highlight resilience value in proposals to strengthen grant and RFP scoring.
Early‑stage design decisions determine long‑term profitability. Aligning technology and permitting strategies from day one can be the difference between success and disqualification.
EticaAG Technologies: Built for Safety, Compliance, and Performance
At EticaAG, our technologies are designed to meet the highest standards of safety and compliance while delivering exceptional performance in real-world applications.
LiquidShield immersion cooling technology offers:
- Advanced thermal management that prevents overheating
- Elimination of thermal runaway risks
- Stable cell temperatures that enhance battery longevity
- Support for safer system operation, making it easier to meet state and local permitting requirements
HazGuard safety system provides:
- Active capture and neutralization of toxic gases during fault conditions
- Compliance with strict local and national fire safety codes
- Added protection for facility operators, first responders, and permitting officials
Together, LiquidShield and HazGuard make EticaAG systems inherently safer, faster to approve, and better aligned with Massachusetts’ demanding regulatory environment. These innovations give developers a clear path to code compliance, streamlined permitting, and reliable long-term operation.
Conclusion: The Window to Act Is Now
Massachusetts has laid the groundwork for a true energy transformation, and battery storage is leading the charge.
But the clock is ticking. Declining incentive blocks, limited RFP rounds, and first‑come funding programs mean that waiting could cost valuable opportunities.
Now is the time to design, permit, and deploy systems that qualify for these benefits while they’re still available.
At EticaAG, we help developers and property owners navigate the full process, from design and compliance to incentive documentation. Every project is built to qualify, perform, and last.
Let’s build Massachusetts’ clean energy future together. The sooner you start, the more you stand to gain.
