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30M+ global fleet hours · Electrochemical · No combustion
Chapter 02 · The Technology

Fuel cells.
Behind your meter.

Utility-grade fuel cell power plants, electrochemical from front to back, factory-built and delivered on a single concrete pad. Bcal is the developer, standardized on the FuelCell Energy FCE1500 carbonate platform.

Chapter 02.1 · The Platform

One proven platform. Fit-for-purpose.

Bcal is the project developer, standardized on the FuelCell Energy FCE1500 carbonate platform — the utility-grade stack that fits the widest range of behind-the-meter California sites. The paid Preliminary Feasibility Study includes a technology-neutral comparison of the alternatives as part of the analysis, so you see why carbonate pencils for your fuel and your thermal sink.

Bcal builds on the FuelCell Energy FCE1500 carbonate platform. As part of the paid study, we benchmark it against the field — solid oxide, PEM, and other carbonate stacks — so the go/no-go is technology-neutral even though the build is standardized.
Most common BTM in CA

Molten Carbonate (MCFC)

  • Pad-mount footprint behind the meter
  • 49% LHV electric · ~90% with CHP
  • 0.01 lb/MWh NOx
  • 700°F exhaust · CHP-ideal
  • Pipeline NG or biogas
Makers · FuelCell Energy · Doosan · POSCO
Higher electric efficiency

Solid Oxide (SOFC)

  • Modular form factor
  • 53–60% LHV electric
  • Sub-0.01 lb/MWh NOx
  • ~900°F exhaust · less CHP value
  • NG, biogas, or H₂-blend
Makers · Bloom · Mitsubishi · Aisin
Hydrogen-ready

PEM (PEMFC)

  • Modular form factor
  • ~55% LHV on H₂
  • Zero criteria pollutants
  • Low-grade thermal (~180°F)
  • Pure H₂ fuel · for green-H₂ sites
Makers · Plug Power · Cummins · Ballard

Spec ranges below reflect a representative molten carbonate baseline · we'll size to your meter.

01
0kW
Net AC Output
per Module
02
0%
Electrical Efficiency
vs. ~33% Grid Delivered
03
~0%
Combined Efficiency
with CHP
04
0.0lb/MWh
NOx
Best in Class
05
0MMBtu/h
Thermal Output
per Module
06
0°F
Exhaust
Captured for CHP
07
0dBA
Noise
at 10 ft
08
0/ 7
Baseload
Not Weather-Dependent
"Quieter than a typical rooftop chiller. Cleaner than the cleanest gas turbine. Sited on a single 58-by-42-foot pad."
Chapter 02.2 · How It Works

Methane to electrons.
No flame.

The FCE1500 converts pipeline natural gas — or on-site biogas — to electricity electrochemically. Because there is no combustion, criteria pollutants are orders of magnitude below reciprocating engines or gas turbines.

Exhaust gas exits at approximately 700°F and is captured for combined heat and power: hot water, process steam, or absorption chilling. The host site captures both the electricity and the useful thermal.

The plant operates grid-parallel under normal conditions and is capable of island-mode operation during utility outages when specified with appropriate switchgear. It rides through PSPS events without diesel.

Each module is factory-built and ships on a single 58-by-42-foot pad. Stack additional modules as load grows. The technical scope with two modules is identical to the scope with one — there are simply more units on the pad.

700°F exhaust.
~90% total efficiency.

Electrons out the front. Useful thermal out the back. The host captures both.

Process · per module
We don't manufacture the stack. We standardize on the FCE platform because it is the only utility-grade technology that clears 24/7 firmness, 0.01 lb/MWh NOx, and dual-fuel (natural gas or biogas) all at once on a single behind-the-meter pad.
Chapter 02.3 · The Specifications

FCE1500 — what you're getting.

Each module ships factory-built on a 58-by-42-foot pad. Run it on pipeline natural gas, renewable biogas, or on-site digester gas.

ParameterFCE1500 Module
Net AC output1,250 kW per module · scalable with additional units
Thermal output2.435 MMBtu/h per module — usable for chilling, process heat, or domestic hot water
Heat rate7,580 BTU/kWh HHV
Electrical efficiency49% LHV (vs. ~33% grid-average delivered)
Total efficiency (CHP)Up to ~90% when thermal is captured
FuelPipeline natural gas, renewable biogas, or on-site digester gas
NOx0.01 lb/MWh — well below BAAQMD, SJVAPCD, SMAQMD limits
CO2 (BOL)~880 lb/MWh on natural gas; net-negative on biogas
Noise72 dBA at 10 ft — quieter than a typical rooftop chiller
Footprint58′ × 42′ × 20′ pad per module
Exhaust temperature~700°F captured for CHP
Availability24/7 baseload — not weather-dependent — runs through PSPS events
Closer · The Preliminary Feasibility Study

Start at 1,250 kW.
Add modules as you grow.

A 20-minute conversation is where we start — no cost. When you're ready to put numbers to your site, our Preliminary Feasibility Study is $7,500 fixed and delivered in about two weeks; the $25,000 full ownership study is the next rung.