Utility-Scale Solar EPC Contractors

Utility Scale Solar

Turnkey solar EPC for project developers, heavy industry, and datacenters. ISO 9001 certified. 200MW+ installed across Canada.

Trusted by Canada’s Biggest Brands
...
...
...
...
...
...
...
Core Competencies

Integrated EPC Lifecycle

We provide end-to-end solar project delivery, ensuring seamless coordination between technical design and field execution.

Customized system design using advanced PV system modeling and structural analysis to maximize yield and ensure long-term durability. Feasibility Studies, Grid Connection Design, Structural Engineering and Performance Modeling.
Leveraging global supply chain networks to source Tier-1 components at scale, ensuring quality control and cost-efficiency. Tier-1 Module Sourcing, Inverter Selection, BOS Supply Chain and Logistics Management.
Rapid, safety-first deployment of large-scale solar arrays managed by experienced project managers and licensed technicians. Project Management, Civil & Electrical Works, Safety (HSE) Excellence and Commissioning.
The Otter Advantage

In-House Integrated Teams vs. Subcontracted Execution

In utility-scale solar execution, a costly industry trend is surfacing: Developers are realizing that fragmentation is more costly than integration.

When an EPC relies on a web of third-party subcontractors, your project inherits multi-tiered markups, scheduling conflicts, safety risks, and finger-pointing. Otter Energy mitigates this by keeping our execution integrated and internal. We build your asset with our own hands, ensuring absolute control over quality, timing, and compliance.

Performance Metric Integrated Execution (Otter Energy) Fragmented Subcontracting (The Competition)
Daily Specialization

We install solar every single day. It is our core focus, not a seasonal sideline.

Generalists jumping between wind, civil, or commercial roofing.

Project Priority

We provide dedicated, uncompromised project focus. Your utility asset is scaled as a top-tier priority with direct accountability.

When General Contractors that build hospitals, roads and schools are asked to prioritize their municipal projects your solar farm may not receive the attention it deserves.

Pricing Fidelity

Accurate, transparent pricing with matching value. No hidden third-party layers.

Volatile estimates padded to cover middleman risks and margin markups.

Risk Mitigation

100% Success Rate Seamless accountability from procurement through grid connection.

Elevated risk exposure regarding deployment timelines, regulatory compliance friction, and fragmented operational accountability.

UNMATCHED FIELD EXPERTISE. GUARANTEED ASSET SUCCESS.

We don’t manage your build from a remote trailer—we deploy highly skilled, dedicated teams directly to the field. Because solar is the only thing we do, our unmatched expertise is built into every megawatt we install.

YOUR PROJECT IS DERISKED BECAUSE OTTER ENERGY KNOWS SOLAR.

By pairing direct-to-builder pricing with daily field specialization, we eliminate execution gaps, protect your 30% ITC compliance, and ensure your utility-scale asset performs from day one.

A Flawless Process

Your Project, De-Risked from Start to Finish.

Site Validation & Valuation

  • Assess site feasibility
  • Determine applicable policy incentives
  • Advise on local and federal policies
  • Create project economics model
  • Identify financing options

Planning & Funding

  • Create/refine site design & building plans
  • Submit incentive program applications
  • Maximize and track program funding
  • Arrange finance options
  • Secure utility approval & AHJ permits
  • Finalize and sign contracts

Engineering, Procurement & Construction

  • Complete full engineering plans Secure permitting from AHJ
  • Procure all major Tier-1 equipment
  • Coordinate with utility for interconnection
  • Mobilize and build with onsite teams
  • Obtain COD (Commercial Operation Date)

Operational Lifecycle

  • O&M & Asset Management
  • Asset Life Monitor and optimize energy assets
  • Dispatch O&M team as required
  • Manage warranties & customer support
  • Manage ongoing incentives
  • Decommission energy assets responsibly
  • Institutional-Grade Execution

Global Energy Infrastructure

Build Your Renewable Infrastructure with Precision

We deliver high-conviction renewable energy solutions, combining institutional-grade asset management with world-class EPC expertise to power the industrial economy.

Commercial Incentives

Rebates & Incentives

Partner With the Otter

Become a Channel Partner

200+MW

Installed Capacity

18+ Years

In Business

30% ITC

Compliance Guarantee

ISO:9001

Certified


Buyer’s Guide

What to Look for in a Solar EPC Partner

The 30% ITC Is Not Automatic

The federal Clean Technology Investment Tax Credit provides a 30% refundable tax credit on eligible solar installations. But qualification requires strict labor compliance: prevailing wage attestation, apprenticeship ratios, and CRA-recognized documentation. EPCs who skip these steps leave their clients with a 20% credit instead of 30%. On a $1M project, that gap is $100,000 discovered at audit time.

Before signing with any solar EPC, ask: who reviews your CRA attestation documents? Do they have an audit track record? Otter Energy’s CPA-led compliance process has cleared 15+ CRA audits with zero issues. Your agreement is reviewed before you sign, not after the system is built.

Why ISO 9001 Certification Matters for Large-Scale Solar

ISO 9001:2015 certification means every project follows documented quality management procedures, audited annually by a third-party registrar. For large-scale solar, this translates to consistent engineering standards, traceable material sourcing, and predictable project timelines. Otter Energy is the only ISO 9001 certified solar installer in Canada.

A large-scale system operates for 30+ years and may change ownership multiple times. ISO certification ensures the design documentation, engineering calculations, and as-built records are standardized and transferable. Not stored in one person’s head.

In-House vs. Subcontracted Installation

Most solar companies subcontract the electrical and structural work. This creates a chain: the sales company designs the system, a subcontractor installs it, and another company handles the electrical interconnection. When something goes wrong, accountability fragments.

Otter Energy maintains in-house teams for engineering, procurement, construction, and project management. The team that designs your system is the team that installs it. This eliminates coordination delays, reduces change-order disputes, and means one company is responsible for the full project lifecycle from feasibility study through 30-year monitoring.

Ontario’s Solar Market Is Growing. EPC Capacity Is Not

In April 2026, the IESO awarded 12 solar projects totaling 915 MW through Ontario’s largest competitive renewable energy procurement ever. The round was oversubscribed 4x. CanREA projects Canada will deploy 17-26 GW of new solar by 2035, with Ontario accounting for 25-30% of new capacity. The market for qualified solar EPC is growing faster than the supply of contractors who can deliver it.

For project developers and facility owners, this means EPC selection matters more now than it has in a decade. Lead times are extending, qualified labour is constrained, and ITC compliance is becoming the differentiator between projects that capture the full 30% and those that discover a $100K gap during their CRA audit.

Get in Touch

Please fill out the form and we’ll get back to you as soon as possible.

Contact

Connect With Us

We Know Solar.

Privacy Preference Center