Renewable energy decisions backed by real-world experience.
JTC helps property owners, businesses, contractors and system operators evaluate solar projects, size off-grid systems, diagnose battery and inverter problems, and make informed technical decisions before spending heavily.
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Solar feasibility • Off-grid design • Battery storage • Troubleshooting • Procurement support • Website and email hosting
Defined services for the decisions clients make most often.
Residential Solar Feasibility Study
$995
Preliminary sizing, production and project considerations
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Complex Off-Grid Feasibility Study
$1,995
Loads, PV, batteries, inverter and generator integration
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Remote Technical Consulting
$125/hour
Document review, troubleshooting and advisory support
15+ Years
Solar and technical industry experience
Independent
Decision-grade
Niagara based
Residential Solar Feasibility
Preliminary system sizing, site and utility review, production expectations, budget considerations and written findings.
Load analysis, solar array sizing, battery and inverter sizing, generator integration and recommended system architecture.
Site-specific analysis for businesses, farms, institutions and larger projects, including loads, production and implementation considerations.
Independent review of solar underperformance, battery charging, inverter faults, generator integration and unusual system behaviour.
Capacity, autonomy, charging sources, battery health, inverter compatibility, generator suitability and expansion planning.
Equipment review, supplier coordination, replacement values, commissioning support and technical documentation.
FOCUS
Reduce uncertainty
Before equipment is purchased or replaced.JTC APPROACH
Measure. Size. Verify.
Then recommend the next practical step.
Why clients call JTC
Independent support when the answer is not obvious.
Many costly system problems begin with assumptions: the wrong load estimate, an oversized inverter, inadequate charging, misunderstood battery capacity or unnecessary equipment replacement. JTC separates symptoms from causes and documents the path forward.
- Practical recommendations grounded in system-level experience
- Clear separation between preliminary analysis and final engineering
- Support for clients, contractors, equipment owners and project teams
- Reports, photos, manuals and records organized through the private client portal
- Managed Website Hosting $19.99/month
- Annual Website Hosting $215.89/year
- SSL Certificate $50/year
- Domain Registration or Renewal $25/year
- Basic Website Setup $800
- Custom Website Design Quoted individually
- Website Maintenance & Administration $125/hour or plan
Managed, not anonymous
JTC focuses on established customer relationships rather than mass-market, self-service hosting.
- Website hosting and routine account support
- Domain, DNS and SSL administration
- Basic websites and custom design
- Email using client-owned domains
- Optional individual OnlineNiagara.ca addresses
Annual hosting includes a 10% discount compared with monthly billing.
One secure place for the documents that matter.
The JTC Client Portal is available to established customers and active projects. It is not a public storage platform and does not accept open registration.
- Reports, proposals and invoices
- Drawings, manuals and equipment records
- Site photos and commissioning documents
- Controlled access created and managed by JTC
ACCESS
Approved clients only
Accounts are created and managed by JTC.CLIENT PROJECT
Organized delivery
Reports • Drawings • Photos • Manuals • Invoices
From initial question to practical next step.
Describe the project or problem
Share the site, goals, existing equipment, utility information, photos, drawings or current symptoms.
Confirm scope and price
JTC identifies the appropriate study, review or support engagement and states the assumptions and exclusions.
Receive findings and direction
Get a practical report, recommendations, supporting records and a clear understanding of what should happen next.
About JTC
Independent advice backed by real-world experience.
JTC Technical Consulting Inc. is led by Jeremy Tisi and operates from Welland, Ontario.
With more than 15 years of experience across solar manufacturing, photovoltaic systems, battery storage, commissioning, troubleshooting, procurement, and technical project support, Jeremy has worked on renewable energy challenges from both the factory floor and the field.
JTC was founded to provide independent, practical guidance for clients who need clear answers before committing capital, purchasing equipment, or moving forward with a project. Rather than selling specific products, JTC focuses on identifying risks, evaluating options, and helping clients make informed technical decisions.
Whether reviewing a solar opportunity, troubleshooting an underperforming system, evaluating battery-storage options, or supporting procurement decisions, clients receive direct access to experienced technical expertise and practical recommendations based on real-world industry experience.
- 15+ Years Renewable Energy Experience
- Commissioning & Technical Diagnostics
- Procurement & Equipment Evaluation
- Battery and inverter systems
- Independent Feasibility & Due Diligence
- Managed Website & Digital Services
Meet Jeremy
Jeremy R. Tisi
Founder & Principal Consultant
Work directly with the consultant performing the analysis.
For more than 15 years, Jeremy Tisi has worked across solar manufacturing, renewable energy systems, battery storage, commissioning, troubleshooting, procurement, and technical project support.
His experience spans both manufacturing and field operations, providing practical insight into the challenges that arise before, during, and after project deployment.
JTC Technical Consulting was founded to help clients make informed technical decisions with clear, independent advice before committing capital, purchasing equipment, or moving forward with a project.
Clients work directly with Jeremy throughout the engagement, from initial discussion through final recommendations.
No sales teams. No account managers. No outsourced support. Just practical, independent technical guidance based on real-world experience.
Typical Reasons Clients Call
- Solar feasibility studies
- Independent technical reviews
- Battery and inverter issues
- Off-grid system planning
- Procurement decisions
- Troubleshooting underperforming systems
- Second opinions before spending capital
Experience Highlights
- 15+ Years Renewable Energy Experience
- Solar Manufacturing & Process Improvement
- Commissioning & Technical Diagnostics
- Battery Storage Systems
- Equipment Evaluation & Procurement Support
- Feasibility Studies & Due Diligence
- Troubleshooting & Root-Cause Analysis
- Direct Access to Principal Consultant
Need a clearer answer before you spend?
Contact JTC about a feasibility study, off-grid project, system problem, equipment requirement, website or managed email service.
Email JTCEmail JTC Call 289-407-6068Call 289-407-6068
Independent advice. No equipment sales pressure.
Typical response within one business day.
